Gorgeous Cushion Lab Created (Synthetic Corundum) Bright White Sapphire
These sapphires have the same chemical compound as natural, mined from the earth, sapphires!
They will fit in most of our same sized calibrated settings.
Chemical composition : Al2O3
Crystal Structure : Hexagonal
Purity : 99.99%
Refractive Index : 1.717
Density : 3.98-4.1 g/cm3
Hardness Mohs : 9
**If you would like any size that is not listed, please contact us.
**We can also make Elongated Cushion. Please contact us for more details.
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