Lot 62. A 9.25 carats Ceylon sapphire and diamond ring, Oscar Heyman, 1946. Estimate US$ 30,000 - 50,000 (€25,000 - 41,000). Photo: Bonhams.

of floral cluster design, centering a cut-cornered square-shaped sapphire, weighing approximately 9.25 carats, adorned with round brilliant-cut diamonds, enhanced on either side with triangular-shaped diamonds; estimated total diamond weight: 2.15 carats; mounted in platinum; size 5

Note: Accompanied by AGL report # 1085230, dated July 12, 2017, stating the sapphire as: Ceylon (Sri Lanka) origin, no indications of heat or clarity enhancement. 

Accompanied by a letter of authenticity, from Oscar Heyman, dated June 9, 2017.

Bonhams. FINE JEWELLERY, 19 Sep 2017, 13:00 EDT, NEW YORK