Art Deco engagement diamond ring. Set with an octagonal step cut diamond in an open back claw setting with a weight of 0.65 carats, flanked by two square step cut diamonds in open back rubover settings with a combined weight of 0.24 carats. The total approximate diamond weight is 0.89 carats, to a graduated geometric design with a structured pierced gallery, open backholing and stepped shoulders leading to a solid D-shaped shank. Tested platinum, English, circa 1935.
