Gorgeous Cushion Faceted Lab Created (Corundum) Bright White Sapphire
This gem will fit in most of our same sized calibrated settings.
Chemical composition : Al2O3
Crystal Structure : Triagonal
Thermal properties: Melting point 2046Â°C
Purity : 99.99%
Refractive Index : 1.717
Density : 3.98-4.1 g/cm3
Excellent seller, good service, definitely I will buy again
June 8, 2021
Stones are very beautiful and perfect. Arrived on time
June 1, 2021
Beautiful stone, packaged well, thank you!