A tourmaline, ruby and diamond brooch, circa 1900, designed as a dragonfly, its wings set with

£2,000 - £4,000 £7,560

A tourmaline, ruby and diamond brooch, circa 1900, designed as a dragonfly, its wings set with calibré-cut green tourmalines, lined with rose-cut diamonds, its body pavé-set with cushion-shaped diamonds, its eyes set with cabochon rubies, mounted in silver and gold, wingspan 7.9cm