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Lot 232
Rare, Large Yellow Star Sapphire
7 December 2016, 10:00 PST
Los AngelesUS$60,000 - US$80,000
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Rare, Large Yellow Star Sapphire
Sri Lanka
The alluvial gem gravels of Sri Lanka were the source of this rare, large oval cabochon, a high-domed yellow sapphire which displays a strong central star effect and a medium yellow hue. The optical phenomenon of asterism is very rarely seen in yellow sapphires and particularly not in stones of this size. This is a unique offering for the serious collector of phenomenal gemstones (those gemstones which possess optical phenomena). Weighing approximately 75.43 carats and measuring 22.62 x 19.74 x 16.19mm mm
The alluvial gem gravels of Sri Lanka were the source of this rare, large oval cabochon, a high-domed yellow sapphire which displays a strong central star effect and a medium yellow hue. The optical phenomenon of asterism is very rarely seen in yellow sapphires and particularly not in stones of this size. This is a unique offering for the serious collector of phenomenal gemstones (those gemstones which possess optical phenomena). Weighing approximately 75.43 carats and measuring 22.62 x 19.74 x 16.19mm mm
Footnotes
Accompanied by an American Gemological Laboratories report number CS51835 dated October 1, 2012 stating that the 75.43 carats yellow star sapphire originates from Sri Lanka and that the strength of the star is strong and the quality of the star is very good. Non-heated yellow sapphires are scarce and this sapphire shows no indication of heat-treatment.

