Art Deco Platinum, Carved Emerald and Diamond Brooch. Photo courtesy Doyle New York

The pierced modified shield-shaped brooch centering one modified rectangular carved emerald approximately 29.0 x 35.0 x 11.0 mm., set throughout with 205 old European and single-cut diamonds, accented by bands of 32 baguette diamonds, altogether approximately 9.25 cts., circa1925, approximately 33.3 dwts. Estimate $50,000-70,000 

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