AN ATTRACTIVE ANTIQUE DIAMOND, DEMANTOID GARNET AND GEM-SET BUTTERFLY BROOCH

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AN ATTRACTIVE ANTIQUE DIAMOND, DEMANTOID GARNET AND GEM-SET BUTTERFLY BROOCH
The cabochon opal and cushion-cut ruby body extending pavé-set diamond wings, trimmed with circular-cut demantoid garnets, with diamond eyes and emerald antennae, mounted in platinum and gold, circa 1900