Diamond solitaire ring. Centrally set with a round transitional cut diamond in an open back claw setting with an approximate weight of 0.90 carats, to an elegant solitaire design featuring curving claws, a pierced gallery, and circular open backholing, leading to rounded shoulders and flowing through to a solid D-shape shank. Marked 18 carat yellow gold and tested platinum, marked 'P', English, circa 1950.