An emerald and diamond cluster ring and a diamond two stone crossover ring, the oval mixed-cut emerald within a surround of nine brilliant-cut diamonds, all claw set in yellow precious metal, stamped ‘750’ with makers mark ‘VJ’ and further indistinct marks; the diamond crossover ring mounted in white precious metal, claw set with two brilliant-cut diamonds, shank stamped ‘CJ PLAT’, first ring size S, second ring size N. £360-£460