Loose Cubic Zirconia White Color 5A Best Quality Oval Shape Quadrillion Cut 10x8mm stones CZ01 wholesale from China Manufacturer and Suppliers Pictures What's Quadrillion Cut Gemstone? Unlike a round brilliant, the Quadrillion’s lower-pavilion facets widen toward the culet, rather than narrowing; the narrowing on a Quadrillion is toward the corners, creating a star effect in the middle of the diamond. The cut’s brilliant-style faceting minimizes light leakage and allows for a maximum amount of light to be reflected from the pavilion. What is Cubic Zirconia? A: 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 index is high at 2.15 - 2.18 (B-G interval) and its luster is very good. Its dispersion is very high at 0.058 - 0.066, exceeding that of diamond (0.044). Cubic Zirconia Gemstones is the best stimulant for the Real diamond, it's beautiful and brilliant for the Jewelry designs. At FU RONG GEMS, you can Buy White and Colored CZ Loose Cubic Zirconia Stones With...