Antique Nephrite, Two-Color Gold and Diamond Box. Photo Doyle

18 ct., the round box centering a gold band with a garland motif, with one oval old-mine cut diamond thumbpiece, with maker's mark, circa 1890. 1 7/16 x 1 7/16 x 1 1/16 inches. Estimate $6,000-8,000

Doyle New York. Important Jewelry - Monday, April 15, 2013 at 10am. http://www.doylenewyork.com