Art Deco diamond target ring. Centrally set with a round old cut diamond in an open back rubover setting with an approximate weight of 0.60 carats, encircled by twelve round old cut diamonds in open back grain settings with a combined weight of 0.40 carats. The total approximate diamond weight is 1.00 carats, to a stylish target cluster with decorative millegrain borders, a geometric linear pierced gallery and intricate open backholing, flanked by elegantly sloping shoulders and leading to a slim D-shape shank. Marked platinum, numbered '226', English, circa 1920.
