Sotheby's Paris hosted a fine jewelry auction last month, and several sapphire and diamond rings—much like Kate Middleton's royal engagement ring—sold for staggering prices. A 10.68 carat cushion-cut ...

Diamonds, rare colored gems and signed jewels from important private collections fueled Sotheby’s High Jewelry auction in New York on Friday. The top lot of the sale, as expected based on pre-sale ...

Diamonds may be a girl's best friend, but when Shay's now-fiancé Brock Honey Davies popped the question on a rose petal-covered balcony at their Los Angeles home, he presented her with a "rare" pink ...

In Geneva, sales at the three auction houses totaled $145,934,377, including $77,703,074 at Christie’s Magnificent Jewels; $46,531,921 at Sotheby’s Magnificent and Noble Jewels; and $21,699,382 at ...