Three stone diamond cluster ring. Set vertically to centre with three round old cut diamonds in open back grain settings with an approximate combined weight of 0.75 carats, surrounded by eight round eight cut diamonds in open back grain settings with a combined weight of 0.24 carats. The total approximate diamond weight is 0.99 carats, to an ornate cluster design featuring intricate openwork with millegrain edging, a pierced linear gallery and open backholing, leading to engraved trumpeting shoulders and flowing through to a smooth D-shape shank. Tested platinum, marked 'K5-12' to the interior, circa 1920.
