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Cubic Zirconia - Fire Opal - Trillion
Cubic Zirconia - Fire Opal - Trillion


Ring created by Alexander Kraft from METALCLAYSTUDIO in Moscow, Russia using Cool Tools Cubic Zirconia and EZ960® Sterling Silver Clay. Stones include: Champagne Barrel Checkerboard, Amethyst Cushion Checkerboard and White Diamond Cushion Checkerboard.

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.

Click here for our Gemstone Firing Guide, a comprehensive list of gemstones, firing times and the temperatures each can withstand.

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.

Item# Item Name Price Qty
CZF-308 CZ - Fire Opal - Trillion 4mm - Pkg/4
CZF-309 CZ - Fire Opal - Trillion 6mm - Pkg/2
CZF-328 CZ - Fire Opal - Trillion 8mm - Pkg/1
CZF-328.5 CZ - Fire Opal - Trillion 10mm - Pkg/1
CZF-308.5 CZ - Fire Opal - Trillion 12mm - Pkg/1
CZF-309.5 CZ - Fire Opal - Trillion 14mm - Pkg/1
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