Art Deco diamond ring. Set with four round old cut diamonds to centre in open back grain set millegrain box collets to a square outer frame, with a combined weight of 0.50 carats, flanked by twelve round old cut diamonds in rectangular box collets to a three row step down formation with a combined weight of 0.25 carats. The total approximate diamond weight is 0.75 carats, with an openwork conforming gallery to a solid flat shank. Marked platinum, French, circa 1935.
