Jadeite and Diamond Necklace, Tiffany & Co., 1980s. Photo Sotheby's

Composed of a graduated line of jadeite beads, interspersed with brilliant-cut diamond rondelles, length approximately 740mm, clasp signed T & Co, case stamped Tiffany & Co. Estimate 3,000-4,000 GBP

Accompanied by The Gem & Pearl Laboratory report no. 08039, stating that the jadeite jade had no evidence of treatment.

Sotheby's. Fine Jewels. London | 11 juil. 2013, 10:30 AM - www.sothebys.com