Natural Opal (aus) certified 4.63CTS-78652

Weight(ct.) : 4.63
Weight(grm.): 0.92
Ratti in Stone: 5.08
Ratti in Gold : 7.63
Shape: Oval/Cabochon
Measurement(in mm): 17.68 X 11.82 X 3.37mm
Refraction Index: 1.450 (Spot)
Colour: WHITE
Group: OPAL
Treatments: Natural