Platinum and Diamond Sautoir, Circa 1925. Photo Sotheby's

The sautoir supporting a pendant set with one old European-cut diamond weighing approximately .75 carat and one square emerald-cut diamond weighing approximately .65 carat, further set with numerous old European, single-cut, baguette, bullet and marquise-shaped diamonds weighing approximately 17.50 carats, pendant detachable; the necklace composed of openwork links set throughout with old European, single-cut and baguette diamonds weighing approximately 37.00 carats, length 28 inches, separates into four bracelets, lengths 7 inches. Estimation: 60,000 - 80,000 USD 

Sotheby's. Important Jewels. New York | 20 sept. 2012 www.sothebys.com