50PCS Square Octangle Champagne Loose Cubic Zirconia Gemstone for Jewelry Making
Hardness:the Mohs for Cubic Zirconia Stone Is 8.50,and for Diamond Is 10. Quality:AAAAA Cubic Zirconia Loose Gems. White Cubic Zirconia Temperature Resistance 1500~2000 ℃. Colorful Is 600-700 ℃.