Round royal blue sapphire 0.4 carat
US$ 533
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Description
Variety sapphire
Color Blue
Measurements 4.2mm
Weight carat 0.4
Clarity (type 2) Eye Clean
Shape – Round
Treatments –
MAGNIFICATION – checked
Parochialism Dichroic
Hardness(Ref Data) 9
Refractive index checked
Specific Gravity 4 (+-01)
Optical Character, Double refractive