A gem-set and diamond brooch, of giardinetto design, set with a circular-cut demantoid garnet, oval
A gem-set and diamond brooch, of giardinetto design, set with a circular-cut demantoid garnet, oval and circular-cut rubies and sapphires, polished amethyst and rose-cut diamonds, mounted in silver and gold, length 3.2cm, brooch fitting stamped 10K