Red spinel CT 20.45
Natural blue sapphire
Natural Sri Lankan Blue Sapphire, no heated and no treated. 1.70 crt
SRI LANKEN BLUE SAPPHIRE STONES LOT 8ct 5 PCS
Unmounted Natural yellow sapphire Treatment - Unheated Clarity - Loupe clean Weight - 1.10 crt Origin - Srilanka (cylon)
Ceylon Blue Sapphire Heat Treated 0.25 carat Good Luster