Lab Created White Sapphire Corundum Round Faceted Loose Stones (1mm – 20mm)

Description

Gorgeous Round Lab Created (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