Diamond tiara-necklace, circa 1900. Photo Sotheby's

Designed as a graduated series of scroll and foliate motifs connected by knife-edge linking, set with circular-cut and rose diamonds, length approximately 420mm, accompanied by two tiara frames of different heights, two small diamonds deficient, fitted case stamped Goldsmiths and Silversmiths Company. Estimation 14,000 — 18,000 GBP 

Sotheby's. Fine Jewels. London | 12 déc. 2013. www.sothebys.com