Solitaire diamond ring. Set with a round old cut diamond to centre in an open back raised claw illusion setting with an approximate weight of 1.20 carats, to an intricate pierced openwork collet with a smooth conforming bezel and flanked by elegant inward tapered shoulders, leading to a solid D-shape tapered shank. Marked 18 carat white gold and platinum, French, circa 1935.
