Lab-grown Aquamarine Sapphire Loose Stone Oval Cut 7*9mm

Gemstone category Lab Grown Aquamarine
chemical component Beryllium Aluminum Silicate/Be3Al2(Si16O18)
hardness (Moh'sScale） 7.5-8.0
refractive index 1.57-1.59
Specific Gravity 2.65-2.85
Dispersion 0.014
Cut/Shape Asscher Cut, Cushion Cut, Emerald Cut, Heart Cut, Marquise Cut, Oval Cut, Pear Cut, Princess Cut, Radiant Cut…
Colors Sky Blue
Sizes Most of the commonly used sizes we have available stones in stock, also we can custom-made as your requirement.