A pair of Tiffany & Co. vintage diamond rings. A set of two rings, comprised of a solitaire engagement ring within a surrounding diamond cluster ring. The solitaire engagement ring set to centre with a round brilliant cut diamond, I colour, VS1 clarity with an approximate weight of 2.37 carats, in an open back claw setting, to an impressive solitaire with curving claws, a pierced gallery and circular backholing, the raised trumpeting shoulders flowing smoothly to a solid shank. Marked platinum and iridium, signed 'Tiffany & Co.', circa 1960, accompanied by Gemmological Institute of America report #2181310124. The surrounding cluster ring set with twelve drop shape brilliant cut diamonds in open back claw settings with a combined weight of 2.40 carats, flanked by six marquise shape brilliant cut diamonds in open back claw settings with a combined weight of 1.20 carats. The total approximate diamond weight of the cluster ring is 3.60 carats, to a floral design with stylised claws, pierced gallery and fancy open backholing, the split shoulders flowing to a ridged shank, opening with a secure hinge mechanism to reveal within the solitaire ring. Marked platinum, signed 'Tiffany & Co.', circa 1960. The total approximate diamond weight of both rings is 5.97 carats.