Natural Blue Sapphire Certified 1.66CTS-19517

Weight(ct.) : 1.66
Weight(grm.): 0.33
Ratti in Stone: 1.82
Ratti in Gold : 2.73
Shape: Cushion/Mixed
Measurement(in mm): 7.75 X 6.59 X 2.87mm
Refraction Index: 1.760 – 1.770 Biref 0.010
Country of Origin: SRI LANKA
Colour: BLUE
Group: CORUNDUM
Treatments: Natural