Greenish blue pear modified brilliant-cut tourmaline of 17.81 carats, round diamonds, 18k white gold

GIA, 2020, report no. 7368698089: 17.81 carats, transparent greenish blue color. The comments further state that "this copper and manganese bearing tourmaline may be called "paraiba tourmaline" in the trade. The name 'paraiba' come from the Brazilian locality where this gem was first mined, however today it may come from several localities."

Diamonds: numerous round diamonds with total weight of 1.03 carats

Size/Dimensions: US ring size 6¹⁄₄
Gross weight: 13.8 grams

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拍品賣家為： Christie's Inc

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