Art Deco diamond cluster ring. Centrally set with a round old cut diamond in an open back claw setting with an approximate weight of 0.50 carats, further decorated by sixteen rectangular baguette cut diamonds in open back half rubover settings with a combined weight of 1.10 carats, further set with eight round old cut diamonds and sixteen round eight cut diamonds in open back grain settings with a combined weight of 0.30 carats. The total approximate diamond weight is 2.15 carats, to an ornate elongated cluster, featuring openwork details with polished edges, an intricately pierced gallery and fancy shape open backholing, leading to smooth trumpeting shoulders and flowing through to a solid D-shape shank. Marked platinum, circa 1925.
