Natural pearl, emerald and diamond necklace. Photo Sotheby's

Composed of 122 natural pearls graduating in size from approximately 8.9 to 3.0 mm, the clasp centered by an emerald-cut emerald flanked by two old European-cut diamonds, mounted in platinum, length 27½ inches; circa 1920. Estimation 30,000 — 50,000 USD

Accompanied by The Gem & Pearl Laboratory report no. 07474 stating that the pearls are natural, saltwater.

Sotheby's. Important Jewels. New York | 06 févr. 2014 - www.sothebys.com