8 septembre 2017
A sapphire and diamond ring, Oscar Heyman, 1946
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,...