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  Cubic Zirconia - Dark Tanzanite - Cushion
Cubic Zirconia - Dark Tanzanite - Cushion


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 to download a PDF version of our firing guide.

Brilliant sparkle, uniform colors and precision cuts!

Item# Item Name Price Qty Add
CZF-636 CZ - Dark Tanzanite - Cushion 10mm - Pkg - 1
CZF-637 CZ - Dark Tanzanite - Cushion 14mm - Pkg - 1
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Features & Videos:

Cubic Zirconia Dark Tanzanite

Carbon Fire only at 1110F / 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.