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Cubic Zirconia - Tanzanite - Square
Cubic Zirconia - Tanzanite - Square


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 – 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.

Item# Item Name Price Sale Price Qty
CZF-605 CZ - Tanzanite - Square 4mm - Pkg/4
CZF-618 CZ - Tanzanite - Square 6mm - Pkg/2
CZF-619 CZ - Tanzanite - Square 8mm - Pkg/1
CZF-912 CZ - Tanzanite - Square 10mm - Pkg/1
CZF-913 CZ - Tanzanite - Square 12mm - Pkg/1
$ 8.80
CZF-914 CZ - Tanzanite - Square 14mm - Pkg/1
$ 15.20
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