Art Deco diamond ring. Set with a round old cut diamond in an open back rubover setting with a weight of 1.40 carats, further set with four round eight cut diamonds in open back grain settings with a combined weight of 0.04 carats. The total approximate diamond weight is 1.44 carats, to a geometric design solitaire with a square stepped collet with fancy scrolling openwork detailing and intricate backholing, flanked by raised structured shoulders and leading through to a solid shank. Marked platinum, English, circa 1925.
