A yellow sapphire and diamond ring. Photo Bonhams.

centering a cushion-cut yellow sapphire, weighing 32.85 carats, within an openwork, pavé-set diamond gallery and mount; signed OSJ for Oliver Smith Jeweler, Scottsdale; estimated total diamond weight: 1.18 carats; mounted in eighteen karat white gold; size 6 3/4. Sold for US$ 16,250 (€11,741)

Accompanied by AGL report #CS 51371, dated September 10, 2012, stating the sapphire as: Ceylon (Sri Lanka) origin, no evidence of heat or clarity enhancement.

Bonhams. FINE JEWELLERY. New York, 9 Apr 2014 - www.bonhams.com