25 décembre 2015
A diamond and yellow sapphire ring
Lot 142. A diamond and 31.66 carats Ceylon yellow sapphire ring. Sold for US$ 37,500 (€34,255). Photo: Bonhams. centering an oval-cut yellow sapphire, weighing 31.66 carats, enclosed in a circular and marquise-cut diamond border; estimated total diamond...