A COLLECTION OF FOUR PLATINUM AND GOLD RINGS

A COLLECTION OF FOUR PLATINUM AND GOLD RINGS, comprising: an opal and diamond ring, set with an opal cabochon flanked by four round brilliant-cut diamonds, in platinum, stamped P.m, size N, a diamond and green paste ring, set to the centre with a round brilliant-cut diamond within a border of square step-cut green paste and a further border of round brilliant-cut diamonds, in platinum, stamped P.m, size M, a white jade-set ring, the jade cabochon in textured openwork yellow gold, stamped 14k, size N, and a multi-gem set ring, set with square step-cut garnet, aquamarine, peridot, citrine and amethyst, in yellow gold, stamped 750, size K