TOP QUALITY ROUND CUT ROYAL BLUE SAPPHIRE LAB CREATED AAAA+ LOOSE GEMSTONE 1pcs
Clarity - AAAA+. High hardness Corundum Sapphire. Hardness: 9.0. With our own studio, we can customize gemstones of various shapes. Refractive index: 1.76-1.77. Shape/Cut - Round /Cut.