Platinum, sapphire, diamond, onyx and emerald ring, Cartier. Photo Sotheby's
Designed as a cockatoo set with round diamonds weighing approximately 6.00 carats, with an oval-shaped sapphire weighing approximately 3.35 carats, accented by an onyx beak and two emerald eyes, size 7½, signed Cartier, numbered 56 369. Estimation 40,000 — 60,000 USD
Sotheby's. Magnificent Jewels.New York | 11 déc. 2013 - www.sothebys.com