Art deco diamond ring. Vertically set with two round old cut diamonds in open back grain and rubover settings with a combined weight of 1.00 carats, further enhanced by twenty eight round single old cut diamonds in open back grain and rubover settings with a combined weight of 0.50 carats. The total approximate diamond weight is 1.50 carats, to a geometric openwork cluster enriched with millegrain decoration to the borders, a finely pierced rectangular gallery and fancy backholing proceeding to trumpeting diamond set shoulders, and terminating in a solid D-shape shank. Marked platinum, French, circa 1925.
