18 karat gold, enamel and diamond bangle-bracelet, David Webb

The hinged bangle of fluted design applied with black enamel ad studded with round diamonds, decorated at the terminals with diamond-set bands, the total diamond weight approximately 3.85 carats, mounted in 18 karat gold and platinum, signed Webb. Est. 30,000—40,000 USD. Lot sold 37,500 USD

Sotheby's. Magnificent Jewels. 23 Apr 09. New York www.sothebys.com Photo courtesy Sotheby's