Diamond cluster ring. Set to centre with a round old cut diamond in an open back grain setting with an approximate weight of 0.80 carats, flanked by two round old cut diamonds in open back grain settings with an combined approximate weight of 0.90 carats, further adorned by a cluster of round old cut diamonds in open back claw and grain settings with a combined weight of 3.10 carats. The total approximate diamond weight is 4.80 carats, to an impressive marquise shape cluster design featuring curving claws, an intricately pierced gallery with chenier detailing and fancy open backholing, leading to inwardly tapering shoulders and flowing through to a solid D-shape shank. Marked 18 carat yellow gold and platinum, circa 1930.
