Art Deco Asscher cut diamond solitaire ring. Set to centre with an octagonal Asscher cut diamond in an open back claw setting with a weight of 1.80 carats, flanked by six round old cut diamonds in open back rubover settings with a combined weight of 0.40 carats. The total approximate diamond weight is 2.20 carats, to a stylish raised square collet featuring curving split claws, intricately pierced gallery supported by decorative cheniers and shaped backholing, the raised shoulders flow to a solid D-shape shank. Marked platinum, circa 1930.