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Platinum, Emerald and Diamond Ring, Bulgari. photo Sotheby's

The emerald-cut emerald weighing approximately 5.45 carats, flanked by triangular-shaped diamonds weighing approximately .60 carat, size 7, signed Bulgari. With signed pouch. Estimate 30,000—40,000 USD. Lot Sold 37,500 USD

Sotheby's. Important Jewels, 02 Feb 11, New York www.sohebys.com