15 novembre 2017
A 50.51 carats octagonal step-cut Ceylon sapphire and diamond ring, by Harry Winston
Lot 382. A 50.51 carats octagonal step-cut Ceylon sapphire and diamond ring, by Harry Winston. Estimate CHF 1,200,000 - CHF 2,000,000. Price realised CHF 1,872,500. © Christie's Images Ltd 2017 Set with an octagonal step-cut sapphire, weighing approximately...