Natural Blue sapphire |
WEIGHT: 4.50CARAT MEASUREMENT : 12.58X10.36X6.30MM CUT : OVAL COLOUR : BLUE CLARITY : TRANSPARENT LUSTER : VITREOUS REFRACTIVE INDEX : 1.77 SPECIFIC GRAVITY : 4.00 HARDNESS : 9.00 OPTIC CHARACTER : DR COMMENTS : UNHEATED/ UNTREATED VARIETY : NATURAL BLUE SAPPHIRE