Lab Created White Sapphire Corundum Cushion Faceted AAA Loose Gemstones (4x4mm - 15x15mm)



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Product Description

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 2046°C
Purity : 99.99%
Refractive Index : 1.717
Density : 3.98-4.1 g/cm3

23, 2020
Excellent seller, good service, definitely I will buy again
June 8, 2021
Stones are very beautiful and perfect. Arrived on time
John B.
June 1, 2021
Beautiful stone, packaged well, thank you!
6, 2020

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