Ruby and diamond cocktail ring. Set with four central square French cut diamonds in open back rubover settings, further set with twenty eight square French cut diamonds in open back rubover settings, thirty two in total with an approximate combined weight of 4.00 carats, flanked by four square step cut natural unenhanced rubies in open back rubover settings with an approximate total weight of 0.40 carats, to a geometric cocktail ring design featuring polished borders, linear lines and open backholing, leading to raised angular shoulders and flowing through to a tapering flat shank. Tested yellow gold and platinum, circa 1940.
