Diamond necklace-brooch, 1860s - Sotheby's.

Designed as a graduated series of currant leaves, set to the centre with a detachable flower head, set with cushion-shaped, circular-cut and rose diamonds, necklace detaches into four parts, each measuring approximately 115, 105, 75 and 75mm, total length approximately 405mm. Estimate: 10,000 - 15,000 GBP

Sotheby's. Jewels. London | 11 Apr 2013 www.sothebys.com