6 septembre 2015
An emerald and diamond ring, by Bulgari
A 17.94 carats Colombian emerald and diamond ring, by Bulgari. Estimate £40,000 - 60,000 (€55,000 - 82,000) . Photo: Bonhams. The octagonal step-cut emerald, weighing 17.94 carats, within a four-claw setting, within a double tier surround of brilliant-cut...