Diamond Necklace, Van Cleef & Arpels

Designed as an articulated collar of textured spherical links embellished at intervals with brilliant-cut diamonds, signed Van Cleef and Arpels and numbered, French assay and maker's marks, inner circumference approximately 375mm.Estimate 15,000—20,000 GBP

Sotheby's. Fine Jewels. 19 Mar 09. London www.sothebys.com photo courtesy Sotheby's