Lot 97. A 12.23 carats sapphire and diamond ring. Estimate US$ 60,000 - 80,000 (€53,000 - 71,000). Photo: Bonhams.

centering a cushion mixed-cut sapphire, weighing 12.23, flanked by two trapezoid-shaped diamonds; estimated total diamond weight: 1.10 carats; mounted in platinum; size: 5 3/4

Accompanied by AGL report # CS 71124, dated October 28, 2015, stating the sapphire as: Ceylon (Sri Lanka) origin, no indications of heat or clarity enhancement.

Accompanied by a copy of GIA report # 2141948569, dated September 3, 2015, stating the sapphire as: Burma (Myanmar) origin, no indications of heating.

Bonhams. FINE JEWELLERY, 20 Jun 2016, 13:00 EDT, NEW YORK