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 weight: 9.00 carats; mounted in platinum; size 6

Accompanied by AGL report # CS 69233, dated July 30, 2015, stating the sapphire is: Ceylon (Sri Lanka) origin, no heat and clarity enhancement.

Bonhams. FINE JEWELLERY, 8 Dec 2015 10:00 EST, NEW YORK