AN ART NOUVEAU DIAMOND AND PLIQUE-A-JOUR ENAMEL BROOCH
AN ART NOUVEAU DIAMOND AND PLIQUE-A-JOUR ENAMEL BROOCH

细节
AN ART NOUVEAU DIAMOND AND PLIQUE-A-JOUR ENAMEL BROOCH
Centering upon an old European-cut diamond, within an oblong openwork and multi-colored plique-à-jour enamel foliate surround, enhanced by rose-cut diamond borders, to the gold beadwork trim, mounted in gold, circa 1900