Edwardian Platinum, Fluted Jade and Diamond Brooch. Photo courtesy Doyle New York.

The pierced oval brooch centering one old European-cut diamond approximately .25 ct., set within a fluted jade flower approximately 12.2 x 14.6 mm., surrounded by radiating tapered panels set with rose-cut diamonds, edged by buff-topped cabochon jade, further edged by 42 collet-set old European-cut diamonds approximately 1.35 cts., circa 1915, approximately 6.8 dwts. Estimate $4,000-6,000 

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