Art Nouveau Demantoid Garnet, Diamond, Plique-à-Jour Enamel, Silver-Topped Gold Brooch  The brooch features round-shaped demantoid garnets weighing a total of approximately 2.30 carats, enhanced by European and single-cut diamonds weighing a total of approximately 0.90 carat, accented by green plique-à-jour enamel, set in silver-topped gold, completed by a pinstem and catch
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