8 septembre 2017
A sapphire and diamond clip brooch, Oscar Heyman, 1955
Lot 180. A 13.03 carats Ceylon sapphire and diamond clip brooch, Oscar Heyman, 1955. Estimate US$ 30,000 - 50,000 ( €25,000 - 41,000) . Photo: Bonhams. centering a rectangular-shaped emerald-cut sapphire, weighing 13.03 carats, set within a radiating...