Rhodium-Plated Gold and Diamond Necklace, France. Photo courtesy Doyle New York.

Composed of graduating flowers, each centering a cluster of diamonds, set throughout with 330 old European-cut, round and single-cut diamonds approximately 28.50 cts., with French assay mark and hallmarks, one diamond missing, circa 1940, approximately 47.3 dwts. Length 16 1/4 inches. With fitted box. Estimate $30,000-40,000 

Doyle New York. Important Jewelry. Wednesday, September 25, 2013 at 10am - http://www.doylenewyork.com