Art Deco diamond cluster ring. Set to centre with a round old cut diamond in an open back rubover setting with an approximate weight of 0.90 carats, further set with two round old cut diamonds in open back grain settings with a combined weight of 0.20 carats, encircled by a cluster of twenty eight round rose cut diamonds in open back grain settings with a combined weight of 0.60 carats. The total approximate diamond weight is 1.70 carats, to an elegant square cluster design featuring polished edges, an intricately pierced gallery with foliate motifs and fancy shape open backholing, flanked by openwork trumpeting shoulders flowing through to a solid flat tapered shank. Marked platinum, French, circa 1925.
