A diamond brooch, adapted from a pair of clip brooches, circa 1940, of sculptural design, modelled a two coiled spirals with tri-form flared detail below, set throughout with brilliant, baguette and single-cut diamonds, both clips with original hinged twin prong fittings to the reverse, now conjoined, total diamond weight approximately 6 carats, dimensions 40 x 60mm. £2,000-£3,000