Antique diamond coronet cluster ring. Set to centre with a cushion shape old cut diamond in an open back claw setting with an approximate weight of 0.50 carats, encircled by a row of eight round old cut diamonds in open back rubover settings and flanked by two round old cut diamonds in open back grain settings, ten in total with a combined weight of 1.50 carats. The total approximate diamond weight is 2.00 carats, to an elegant flora-form cluster featuring millegrain edging, a intricately pierced petal motif gallery and open backholing, leading to trumpeting shoulders with decorative grain detail and tapering down to a flat solid shank. Marked platinum, circa 1920.
