18 karat white gold, carved emerald, diamond, pearl and onyx pendant-necklace. Photo Sotheby's.

The pendant of Indian design set in the center with a carved emerald weighing approximately 66.00 carats, framed by round diamonds and pearls, supporting a graduated fringe composed of baguette and briolette diamonds, the total diamond weight approximately 14.85 carats, set throughout with carved onyx segments and a onyx ring, completed by a black cord necklace, length 20 inches, two diamonds missing. ESTIMATE 45,000-55,000 USD

NOTE: Please note that the pearls have not been tested for natural origin.

Sotheby's. Important Jewels, New York | 09 Feb 2012 www.sothebys.com