Diamonds are treasured around the world for their beauty and sparkle. Although the gemstone and jewelry industries market them to symbolize enduring love, they’re also a scientific wonder. Natural ...

These tinted diamonds make up just 0.01 percent of all natural diamonds mined, appearing in shades of pink, blue, yellow, green, and even red. Since 2005, pink diamonds have increased in value by ...

When shopping for a diamond, whether for an engagement ring or a piece of fine jewelry, you’ll quickly encounter the term Four Cs—Cut, Color, Clarity, and Carat Weight. These four characteristics ...

Watch auctions are divided into two categories: Patek Philippe and Rolex, which represent the bulk of the value; and everything else. Likewise, jewelry auctions fall into two camps: colored, large, or ...

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 ...