Green enamel and diamond snake bangle-bracelet, David Webb

The articulated snake formed of scale-like links applied with translucent green enamel, the head decorated with numerous round diamonds, 1 cushion-shaped sapphire, 2 pear-shaped emerald eyes and a pear-shaped ruby tongue, mounted in 18 karat gold and platinum, signed Webb. Est. 10,000—15,000 USD. Lot Sold 20,000 USD

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