Diamond cocktail ring. Set with seven round old cut diamonds in open back grain settings with a combined approximate weight of 1.05 carats, to a floral cluster to centre surrounded by a conforming yellow gold pierced frame of radiating elements with intricately pierced backholing, flanked on either side by fixed circular links fitted to trumpeting open shoulders with open knot details which lead down to a solid ribbed shank. Tested yellow gold with platinum settings, French control marks, circa 1940.