3 septembre 2015
The Hope Spinel. An exceptional 19th century spinel and diamond jewel
The Hope Spinel. An exceptional 19th century 50.13 carats spinel and diamond jewel. Estimate £150,000 - 200,000 ( €200,000 - 270,000). Photo: Bonhams. The large octagonal step-cut spinel, weighing 50.13 carats, within decorative old brilliant and rose-cut...