Genuine 100% Natural Cabochon Blue Star Sapphire 4.02ct10.0x9.3mm Opaque Ceylon
Genuine 100% Natural Cabochon 6 Ray Star Lt. Blue Sapphire 4.02ct10.0x9.3x3.9mm Opaque Ceylon. Cabochon 6 Ray Star Lt. Blue Sapphire 4.02ct10.0x9.3x3.9mm Opaque Ceylon - Unheated & Untreated. Less than 1% of all Sapphires are untreated!