A RUSSIAN SILVER, GOLD, DIAMOND AND AMETHYST BROOCH

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A RUSSIAN SILVER, GOLD, DIAMOND AND AMETHYST BROOCH

The openwork frame centred by an oval-shaped facetted amethyst surrounded by a border of floral design set with six old mine-cut diamonds and rose-cut diamond-set leaves, mounted in silver and gold; and a Russian gold, amethyst and simulated diamond-set brooch, centred by a cushion-shaped amethyst within a border set with simulated diamonds in an openwork gold frame (2)