GIA Certified Blue Star Sapphire 73.17ct

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Blue Sapphire 73.17ct,
GIA Certified Report Number = 5363371748,
Dimensions = 25.93 * 21.09 * 11.51mm,
September Birthstone,
5th and 45th Wedding Anniversary Gem,
Natural and Untreated,
Double Cabochon Oval Shape,
Clarity = Translucent,
Doubly Refractive,
Refractive Index = 1.76 - 1.77,
Blue Sapphire is sourced from Sri Lanka.
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