Kutchinsky turquoise and diamond brooch, London, circa 1962, modelled as a cluster of flowerheads, the stamens claw-set with a brilliant-cut diamond framed by circular cabochon turquoise to asymmetrical textured petals, supported from a twisted wirework spray, mounted in 18ct gold, length 75 mm, width 50 mm, maker's mark for Kuthchinsky, signed Kuthchinsky, British hallmarks for London, 1962.