15 janvier 2014
18 karat gold, gem-set and diamond brooch, René Boivin, France
18 karat gold, gem-set and diamond brooch, René Boivin, France. Photo Sotheby's Designed as a dolphin set with round sapphires and emeralds, with a cabochon emerald eye, suspending an oval-shaped sapphire weighing approximately 13.00 carats, further decorated...