Ruby and diamond dress ring. Set with twelve round old cutnatural unenhanced rubies in open backclaw settings with a combined approximate weight of 1.00 carats, further adorned with eight round old cut diamonds in open back claw settings with a combined approximate weight of 0.50 carats, to an openwork bombébezel composed of overlapping circular ruffled gold elements, polished edging and open backholing, the raised trumpeting shoulders with ridged design flowing to a solid shank. Marked 18 carat yellow gold, numbered '181', French, circa 1950.