Natural pearl, cultured pearl and diamond necklace, late 19th century. Photo Sotheby's

Composed of two graduated rows of natural and cultured pearls measuring from approximately 2.0 to 7.0 mm, the clasp set with a blue paste stone, circular- and single-cut diamonds, shortest length approximately 370mm. Estimate 3,000 — 4,000 GBP

Accompanied by a gemmological report.

Sotheby's. Fine Jewels. London | 26 Mar 2014, 10:00 AM - www.sothebys.com