Welcome to Welcome to QQ GEMS new website ! We will continue our products with wholesale prices. thanks for your attention. QQ GEMS Focus on high quality Loose Cubic Zirconia stones, Moissanite Diamond Gemstones, Lab Grown Diamond, Lab created gems, Synthetic Opal Gems,Nano Gemstones, Simulated Glass Gems , Synthetic gemstones and Natural Gemstones with hand-cut [...]
What is Cubic Zirconia ? Cubic Zirconia (or CZ) is zirconium oxide (ZrO2 ), is widely synthesized for use as a diamond simulant and it is a lab made created stone with a specific gravity of between 5.6-6.00 and at about 8.5 hardness on Mohs scale, which is harder than most natural gems. Its refractive [...]