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French Art Deco Platinum and Diamond Square Ring

About the Item

A platinum ring set with four old-cut diamonds in a square. Each stone is mille-griffe set; and on either side of the square is a little triangle set with three old-cut diamonds (total diamond weight app. 0.7). The shank is numbered: 27500; and with the French master mark JB. France, circa 1920. Ring size: 17.5+ / 17.75- mm / 7.5 US Weight: 4.10 grams Dimensions square: 10 x 10 mm
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