Genuine 100% Natural Cabochon Lt. Blue Sapphire 3.79ct10.5x8.3x3.9mm Opaque Ceylon
Genuine 100% Natural Cabochon Lt. Blue Sapphire 3.79ct10.5x8.3x3.9mm Opaque Ceylon. Cabochon Lt. Blue Sapphire 3.79ct10.5x8.3x3.9mm Opaque Ceylon - Unheated & Untreated. Less than 1% of all Sapphires are untreated!