AN ART DECO DIAMOND AND BLACK ENAMEL CIRCLE BROOCH
AN ART DECO DIAMOND AND BLACK ENAMEL CIRCLE BROOCH

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AN ART DECO DIAMOND AND BLACK ENAMEL CIRCLE BROOCH
The openwork circular plaque, set with a central line of graduated diamond collets, to the single-cut diamond borders, enhanced by pierced single and old European-cut diamond palmette motifs with black enamel detail, mounted in platinum, circa 1920