Cubic Zirconia - Blue Topaz - Cabochon Round - Checkerboard

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Blue Topaz - Trillion

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Blue Topaz - Pear

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Blue Topaz

Carbon Fire only at 1525°F / 1 hour. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Blue Topaz - Cushion - Checkerboard

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Blue Topaz - Marquise

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Green Apple

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Green Apple

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Green Apple

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Green Apple

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Green Apple

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Green Apple

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Green Apple

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Green Apple

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Green Apple

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Green Apple

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Amethyst

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Amethyst

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Amethyst

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Amethyst

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Amethyst

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Amethyst

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Dark Amethyst

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Amethyst

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Amethyst

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Amethyst

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Amethyst

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Amethyst

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Alexandrite

No Fire. Set after firing. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Alexandrite

No Fire. Set after firing. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Alexandrite

No Fire. Set after firing. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Amethyst

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Alexandrite

No Fire. Set after firing. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Alexandrite

No Fire. Set after firing. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Alexandrite

No Fire. Set after firing. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Alexandrite

No Fire. Set after firing. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Alexandrite

No Fire. Set after firing. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Alexandrite

Cubic Zirconia - Champagne

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Champagne

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Champagne

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Champagne

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Champagne

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Champagne

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Champagne

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Champagne

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Champagne

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Champagne

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Champagne

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Columbian Emerald

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Columbian Emerald

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Columbian Emerald

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Columbian Emerald

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Columbian Emerald

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Columbian Emerald

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Columbian Emerald

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Columbian Emerald

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Columbian Emerald

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Columbian Emerald

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Fire Opal

Open Fire or Carbon Fire at 1560°F / 20 min. May be fired up to 2 hours at 1650°F, but color will fade slightly. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Fire Opal

Open Fire or Carbon Fire at 1560°F / 20 min. May be fired up to 2 hours at 1650°F, but color will fade slightly. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Fire Opal

Open Fire or Carbon Fire at 1560°F / 20 min. May be fired up to 2 hours at 1650°F, but color will fade slightly. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Fire Opal

Open Fire or Carbon Fire at 1560°F / 20 min. May be fired up to 2 hours at 1650°F, but color will fade slightly. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Fire Opal

Open Fire or Carbon Fire at 1560°F / 20 min. May be fired up to 2 hours at 1650°F, but color will fade slightly. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Fire Opal

Open Fire or Carbon Fire at 1560°F / 20 min. May be fired up to 2 hours at 1650°F, but color will fade slightly. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Fire Opal

Open Fire or Carbon Fire at 1560°F / 20 min. May be fired up to 2 hours at 1650°F, but color will fade slightly. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Fire Opal

Open Fire or Carbon Fire at 1560°F / 20 min. May be fired up to 2 hours at 1650°F, but color will fade slightly. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Fire Opal

Open Fire or Carbon Fire at 1560°F / 20 min. May be fired up to 2 hours at 1650°F, but color will fade slightly. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Columbian Emerald

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Fire Opal

Open Fire or Carbon Fire at 1560°F / 20 min. May be fired up to 2 hours at 1650°F, but color will fade slightly. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Hessonite Garnet

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Hessonite Garnet

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Hessonite Garnet

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Hessonite Garnet

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Hessonite Garnet

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Hessonite Garnet

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Hessonite Garnet

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Jet Black

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Jet Black

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Jet Black

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Jet Black

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Jet Black

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Jet Black

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Jet Black

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Jet Black

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Jet Black

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Jet Black

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Lavender

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Lavender

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Lavender

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Lavender

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Lavender

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Lavender

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Lavender

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Lavender

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Lavender

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Lavender

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Lavender

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Olivine

Open Fire or Carbon Fire at 1650°F / 1 hour. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Olivine

Open Fire or Carbon Fire at 1650°F / 1 hour. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Olivine

Open Fire or Carbon Fire at 1650°F / 1 hour. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Olivine

Open Fire or Carbon Fire at 1650°F / 1 hour. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Olivine

Open Fire or Carbon Fire at 1650°F / 1 hour. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Olivine

Open Fire or Carbon Fire at 1650°F / 1 hour. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Olivine

Open Fire or Carbon Fire at 1650°F / 1 hour. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Olivine

Open Fire or Carbon Fire at 1650°F / 1 hour. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Olivine

Open Fire or Carbon Fire at 1650°F / 1 hour. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Olivine

Open Fire or Carbon Fire at 1650°F / 1 hour. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Olivine

Open Fire or Carbon Fire at 1650°F / 1 hour. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Pink Sapphire

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Pink Sapphire

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Pink Sapphire

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Pink Sapphire

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Pink Sapphire

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Pink Sapphire

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Pink Sapphire

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Pink Sapphire

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Pink Sapphire

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Pink Sapphire

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Pink Sapphire

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Pink Sapphire

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Smoked Topaz

Stable at all metal clay temperatures. May darken slightly at 2 hours. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Smoked Topaz

Stable at all metal clay temperatures. May darken slightly at 2 hours. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Smoked Topaz

Stable at all metal clay temperatures. May darken slightly at 2 hours. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Smoked Topaz

Stable at all metal clay temperatures. May darken slightly at 2 hours. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Smoked Topaz

Stable at all metal clay temperatures. May darken slightly at 2 hours. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Smoked Topaz

Stable at all metal clay temperatures. May darken slightly at 2 hours. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Smoked Topaz

Stable at all metal clay temperatures. May darken slightly at 2 hours. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Smoked Topaz

Stable at all metal clay temperatures. May darken slightly at 2 hours. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Smoked Topaz

Stable at all metal clay temperatures. May darken slightly at 2 hours. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Tanzanite

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Tanzanite

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Tanzanite

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Tanzanite

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Tanzanite

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Dark Tanzanite

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Tanzanite

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Tanzanite

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Tanzanite

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Tanzanite

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Tanzanite

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Yellow Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Yellow Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Yellow Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Yellow Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Yellow Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Yellow Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Yellow Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Yellow Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Yellow Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Yellow Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Yellow Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Yellow Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Tanzanite - Triangle 3mm Pkg - 10

There is no synthetic gemstone on the market that has had a greater impact on the jewelry industry than cubic zirconia. "CZ" as it is sometimes referred to in the industry.There is no synthetic gemstone on the market that has had a greater impact on the jewelry industry than cubic zirconia. "CZ" as it is sometimes referred to in the industry.

Cubic Zirconia – Yellow Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Fire Opal - Triangle

Open Fire or Carbon Fire at 1560°F / 20 min. May be fired up to 2 hours at 1650°F, but color will fade slightly. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Green Apple

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Green Apple

Carbon Fire only at 1110°F / 10 min. Do not fire on an open shelf. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Blue Topaz - Triangle

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Blue Topaz - Square

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Lavender

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Amethyst

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Pink Sapphire

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Champagne

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Olivine

Open Fire or Carbon Fire at 1650°F / 1 hour. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Hessonite Garnet

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Hessonite Garnet

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Smoked Topaz

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Smoked Topaz

Stable at all metal clay temperatures. May darken slightly at 2 hours. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Smoked Topaz

Stable at all metal clay temperatures. May darken slightly at 2 hours. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Jet Black

Rated AAA, our lab created cubic zirconias are as beautiful as natural diamonds. Our high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of diamonds with these beautiful, affordable stones.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Amethyst

Rated AAA, our lab created cubic zirconias are as beautiful as natural diamonds. These high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of diamonds with these beautiful, affordable stones.

Cubic Zirconia – Olivine

Rated AAA, our lab created cubic zirconias are as beautiful as natural diamonds. Our high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of diamonds with these beautiful, affordable stones.

Cubic Zirconia – Pink Sapphire

Rated AAA, our lab created cubic zirconias are as beautiful as natural diamonds. Our high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of diamonds with these beautiful, affordable stones.

Cubic Zirconia – Yellow Diamond

Rated AAA, our lab created cubic zirconias are as beautiful as natural diamonds. Our high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of diamonds with these beautiful, affordable stones.

Cubic Zirconia - Champagne

Rated AAA, our lab created cubic zirconias are as beautiful as natural diamonds. These high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of diamonds with these beautiful, affordable stones.

Cubic Zirconia – Lavender

Rated AAA, our lab created cubic zirconias are as beautiful as natural diamonds. Our high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of diamonds with these beautiful, affordable stones.

Cubic Zirconia - Green Apple

Rated AAA, our lab created cubic zirconias are as beautiful as natural diamonds. These high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of diamonds with these beautiful, affordable stones.

Cubic Zirconia – Columbian Emerald

Rated AAA, our lab created cubic zirconias are as beautiful as natural diamonds. Our high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of diamonds with these beautiful, affordable stones.

Cubic Zirconia - Dark Amethyst

Rated AAA, our lab created cubic zirconias are as beautiful as natural diamonds. These high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of diamonds with these beautiful, affordable stones.

Cubic Zirconia - Dark Amethyst

Rated AAA, our lab created cubic zirconias are as beautiful as natural diamonds. These high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of diamonds with these beautiful, affordable stones.

Cubic Zirconia – Hessonite Garnet

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia - Dark Tanzanite - Diamond 9mm x 13mm Pkg - 1

There is no synthetic gemstone on the market that has had a greater impact on the jewelry industry than cubic zirconia. "CZ" as it is sometimes referred to in the industry.

Cubic Zirconia – Columbian Emerald

Rated AAA, our lab created cubic zirconias are as beautiful as natural diamonds. Our high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of diamonds with these beautiful, affordable stones.

Cubic Zirconia – Columbian Emerald

Rated AAA, our lab created cubic zirconias are as beautiful as natural diamonds. Our high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of diamonds with these beautiful, affordable stones.

Cubic Zirconia – White Diamond

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Hessonite Garnet

Stable at all metal clay temperatures. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Cubic Zirconia – Tanzanite

Rated AAA, our lab created cubic zirconias are as beautiful as natural diamonds. Our high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of diamonds with these beautiful, affordable stones.