AN EXQUISITE ART DECO EMERALD AND DIAMOND RING

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AN EXQUISITE ART DECO EMERALD AND DIAMOND RING
Set with a rectangular-cut emerald measuring approximately 9.00 x 5.80 x 4.00 mm, flanked on each side by a baguette-cut diamond, with baguette-cut diamond shoulders to the platinum mount, circa 1930