11 mai 2015
A sapphire and diamond ring
A 21.07 carats Burmese sapphire and diamond ring. Estimate CHF220,000 – CHF260,000 ($239,016 - $282,474) . Photo Christie's Image Ltd 2015. Set with an oval-shaped sapphire, weighing approximately 21.07 carats, in a pear-shaped sapphire and diamond cluster,...