Platinum-Topped Gold, Emerald, Sapphire and Diamond Brooch - Sotheby's
Designed as a peacock feather, the eye centered by a fancy-cut cabochon emerald framed by 16 calibré-cut sapphires, further set with round and single-cut diamonds; circa 1900. Estimate: 15,000 - 20,000 USD
Sotheby's. Magnificent Jewels. New York | 17 Apr 2013 www.sothebys.com