An emerald and diamond ring. photo courtesy Bonhams The claw-set step-cut emerald, flanked by shield-shaped diamond shoulders, emerald approximately 8.10 carats, diamonds approximately 1.00 carat each, ring size M - Estimate: £30,000 - 40,000 Accompanied...

A pair of step-cut emerald and half-moon diamond earrings Each earring set with a step-cut emerald, weighing 14.45 and 13.58 carats, to a half-moon diamond surmount and brilliant-cut diamond hoop, mounted in platinum and 18k yellow gold, diamonds approximately...

Emerald and diamond bracelet, Van Cleef & Arpels, circa 1922 Composed of eight graduated step-cut emeralds, set within a geometric border of circular-, single-, step-cut and baguette diamonds, mounted in platinum, length approximately 180mm, signed Van...