AN ANTIQUE AMETHYST AND DIAMOND BROOCH
The oval-shaped amethyst within an old-cut diamond surround to the similarly-set diamond openwork mount interspersed with eight old-cut diamond collets, mounted in silver, circa 1890, 6.0cm wide
AN ANTIQUE AMETHYST AND DIAMOND BROOCH
The oval-shaped amethyst within an old-cut diamond surround to the similarly-set diamond openwork mount interspersed with eight old-cut diamond collets, mounted in silver, circa 1890, 6.0cm wide
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