Jewelry auctions are in ... note of what's already outperforming at Christie's and Sotheby's. However, a rather covetable no-heat unmounted Kashmir sapphire is up for grabs with an estimate ...

There is also a historical sapphire ... Given the size, weight and age of the necklace in the Sotheby's sale – and how rare and expensive such diamonds were at that time – it is not ...

The first international auction held in Saudi Arabia featured luxury watches and jewels, international art, Arab artists, and ...