Vintage diamond cocktail ring. Centrally set with a round old cut diamond in an open back grain setting with a weight of 0.30 carats, flanked to top and bottom with two round eight cut diamonds in open back grain settings with a combined weight of 0.06 carats. The total approximate diamond weight is 0.36 carats, to a stylish undulating rectangular plaque featuring a raised centre, incised border and shaped backholing, the broad integrated shoulders curve to a solid shank. Marked 18 carat yellow gold and platinum, French, circa 1940.
