Art Deco diamond cluster ring. Set to centre with a cushion shape old mine diamond in an open back grain setting with an approximate weight of 0.22 carats, further set with twenty eight round old cut diamonds in open back grain settings with a combined weight of 1.78 carats. The total approximate diamond weight is 2.00 carats, to a striking pierced cluster design featuring polished edges, a linear pierced gallery with chenier detailing and fancy shape open backholing, flanked by trumpeting shoulders flowing through to a solid tapering shank. Tested platinum, circa 1930.
