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18 karat gold, enamel and diamond giraffe bangle, David Webb

The articulated, hinged bangle decorated with giraffe heads in a bypass configuration, the giraffes' heads set with round diamonds weighing approximately 2.75 carats, the eyes set with oval cabochon rubies, the whole applied with opaque black and white enamel, mounted in 18 karat gold and platinum, signed David Webb. Est. 30,000—40,000 USD

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