11 mai 2015
A sapphire and diamond necklace
A Ceylon 43.25 carats sapphire and diamond necklace. Estimate CHF700,000 – CHF1,000,000 ($760,506 - $1,086,437) . Photo Christie's Image Ltd 2015. Set with a cushion-shaped sapphire, weighing approximately 43.25 carats, to the trefoil pear-shaped and...