16 juin 2014
An emerald and diamond ring
An emerald and diamond ring. Photo Bonhams. set with a cut-cornered square step-cut emerald, weighing 7.88 carats, with trillion-cut diamond shoulders; mounted in platinum and eighteen karat gold; size 6 1/4. Estimate US$ 30,000 - 40,000 (€22,000 - 30,000)...