Fux Royl Kshmir Royl Blue Cbochon Spphire CZ Dimond Ring t 1stDibs Sapphire Oval Cabochon Smooth Polished Surface Egg Shape Sapphire Cabochon Flat Back Multiple Sizes To Choose - 36 Sapphire round cabochon gemstone (domed top, flat back, undrilled) with a navy to midnight blue colour. Transparent with some colour zoning. Nice quality Origin of ore: China Origin of ore: China Mohs hardness scale of gemstone: 8 Size: 2X2mm, 2., 5X2., 5mm, 3X3mm, 3., 5X3., 5mm, 4X4mm, 5X5mm, 6X6mm, 7X7mm, 8X8mm, 9X9mm, 10X10mm, 12X12mm These cabochons are made by fusing natural sapphire raw ore powder. These loose Sapphire gemstones were mined in Tanzania and their clarity is Transparent. Sapphire round cabochon gemstone (domed top, flat back, undrilled) with a navy to midnight blue colour. Transparent with some colour zoning. Nice quality. Origin: unknown Treatment: heated (assumed) Size: 5mm Priced per stone