Vintage diamond coronet cluster ring. Set to centre with a round old cut diamond in an open back rubover setting with a weight of 0.70 carats, surrounded by a row of twelve round old cut diamonds in open back rubover settings with a combined weight of 0.90 carats. The total approximate diamond weight is 1.60 carats, to an elegant coronet cluster with scalloped edging, milligrain decoration throughout, an intricately pierced open gallery and circular open backholing, flanked by trumpeting openwork shoulders which flow through to a solid flat shank. Marked platinum, French control marks, circa 1950.
