11 mai 2015
A sapphire and diamond ring
A 7.20 carats Kashmir sapphire and diamond ring. Estimate CHF275,000 – CHF325,000 ($298,770 - $353,092) . Photo Christie's Image Ltd 2015. Set with a cushion-shaped sapphire, weighing approximately 7.20 carats, within two round-cornered rectangular-cut...