Platinum, Carved Emerald and Diamond Ring, Circa 1960. photo Sotheby's

Set in the center with a cabochon carved emerald of floral design measuring approximately 21.0 by 19.2 by 13.1 mm., framed by hexagonal-shaped and single-cut diamonds weighing approximately 1.65 carats, size 5¾. Estimate 7,000—9,000 USD. Lot Sold 17,500 USD

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