9 mai 2016
A 13.64 carats Colombian emerald and diamond ring, by Harry Winston
Lot 150. A 13.64 carats Colombian emerald and diamond ring, by Harry Winston. Estimate CHF150,000 – CHF250,000 ($155,372 - $258,954). Photo Christie's Image Ltd 2016. Set with an octagonal step-cut emerald, weighing approximately 13.64 carats, between...