18 Karat White Gold, Diamond, Emerald and Onyx 'Panthère' Ring, Cartier, France - Sotheby's

Designed as a playful panther with an articulated head and paws, set with round diamonds weighing approximately 6.90 carats, accented by an onyx nose and two marquise-shaped emerald eyes, size 6½, signed Cartier, numbered 54 and 4196400, with French assay and maker's marks. With signed box. Estimate: 25,000 - 35,000 USD

Sotheby's. Magnificent Jewels. New York | 17 Apr 2013 - www.sothebys.com