A sapphire and diamond ring, Oscar Heyman & Brothers. Photo Bonhams.

centering a cabochon star sapphire, within a two-tiered circular-cut diamond surround; with maker's mark for Oscar Heyman & Brothers; sapphire weighing approximately: 24.00 carats; estimated total diamond weight: 1.20 carats; size 7 3/4. Sold for US$ 6,875 (€4,980)

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