Diamond cluster ring. Set with twenty three round old cut diamonds in open back grain and claw settings with a combined approximate weight of 1.10 carats, to an elegant three row cluster design featuring millegrain borders, an intricately pierced gallery and circular open backholing, leading to broad trumpeting shoulders with carved ridged details and flowing through to a solid tapering shank. Marked platinum and iridium, American, circa 1950.
