Lot 449. 18 Karat Gold, Sapphire, Emerald and Diamond Necklace, René Boivin, After a Design by Suzanne Belperron, France. Estimate 150,000 — 200,000 USD. Lot sold 200,000 USD. Photo Sotheby's

The polished gold collar supporting a flexible bib composed of oval-shaped cabochon sapphires measuring approximately 12.0 by 11.0 mm to 7.7 by 6.4 mm, accented by round emeralds, gathered at the sides by motifs in the form of cornucopias, set with round diamonds weighing approximately 2.85 carats, gross weight approximately 94 dwts, internal circumference 14½ inches, signed R. Boivin, with partial maker's and French assay marks; late 1930s.

Accompanied by a Certificate of Authenticity by Françoise Cailles.

For necklaces of similar design by Suzanne Belperron, see Suzanne Belperron by Sylvie Raulet and Olivier Baroin, pages 36 and 97.

Sotheby's. Magnificent Jewels New York | 09 Dec 2015