10.96ct cushion-shaped Kashmir sapphire ring between two demi-lune diamond shoulders. Sold for CHF 1,600,000 (estimate: CHF 1,100,000 - 1,400,000)

10.96ct cushion-shaped Kashmir sapphire ring between two demi-lune diamond shoulders. Sold for CHF 1,600,000 (estimate: CHF 1,100,000 - 1,400,000).