Art Deco diamond solitaire ring. Centrally set with a round old cut diamond in an open back rubover setting with an approximate weight of 1.30 carats, to a heavy solitaire design featuring a central square plaque, polished edges and fancy shape open backholing, leading to broad trumpeting shoulders with deep ridged details which terminate in a stylised chevron and flowing through to a wide solid shank. Marked platinum, French control marks, circa 1930.
