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Pair of Platinum, White Gold, Chalcedony, Diamond and Natural Button Pearl Earclips, Suzanne BelperronEstimate $15,000-20,000. Photo Doyle New York.

18 kt., topped by 2 chalcedony leaves, flanked by ribbons set with 12 old-mine cut diamonds, supporting 2 flexibly-set button pearls approximately 10.19 and 10.45 x 10.07 mm., with maker’s mark for Groene & Darde, with French assay marks, circa 1935. Good condition. Clip-backs. 1 1/2 x 11/16″.

With GIA report no. 2165194950 stating that the pearls are natural, saltwater, no indications of treatment.

Chalcedony: milky white, transucent, very good polish.

Diamonds: J-K-VS-SI, lumpy cuts, large open culets, one large chip from table to prong on one top stone, visible to eye.

Pearls: white with faint silvery hue, one pearl with minor scratches, cleanish, the othe pearl with minor bubbles, a dimple off to the side, visible to the eye, a white blemish under the dimple visible to the eye, medium luster.

Doyle New York. Important Jewelry. Tuesday, October 21, 2014 at 10am