CheraJewelry Lab grown Royal Blue Sapphire Emerald cut 10x14mm

Gemstone category Lab Grown Sapphire
chemical component Al2O3
hardness (Moh's Scale） 9
refractive index 3.9-4.1
Specific Gravity 1.76-1.77
Dispersion 0.018
Cut/Shape Asscher Cut, Cushion Cut, Emerald Cut, Heart Cut, Marquise Cut, Oval Cut, Pear Cut, Princess Cut.....(More cut shapes can be customized)
Colors Royal blue sapphire