Buccellati diamond cluster ring. Set to centre with a round old cut diamond in an open back claw setting with an approximate weight of 2.90 carats, further set with fifty four round eight-cut diamonds in open back grain settings with a combined weight of 1.20 carats. The total approximate diamond weight is 4.10 carats, to an impressive architectural bombe cluster design featuring intricate openwork, finely carved goldwork details on a textured surface and fancy shape open backholing, leading to broad integrated shoulders and flowing through to a solid shank. Marked 18 carat yellow and white gold, engraved 'Italy..96' to interior, signed 'BUCCELLATI', Italian, circa 1940, accompanied by original fitted box.
