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Platinum and Diamond Ring - Photo Sotheby's

The cushion-shaped rose-cut diamond weighing 10.06 carats, framed and accented by round diamonds weighing approximately .50 carat, size 7½. Estimation: 50,000 - 70,000 USD - Lot. Vendu 101,500 USD 

Accompanied by GIA report no. 2145780245 stating that the diamond is K, Faint Brown color, VS2 clarity.

Sotheby's. Important Jewels. New York | 20 sept. 2012 www.sothebys.com