When Tiffany & Co. acquired an exceptional 71-carat rough vivid yellow diamond from Canada’s Ekati mine last summer, instead of cutting and setting it in a jewel as expected, its chief gemologist, ...

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 ...

MILAN - As a third-generation member of the Arslanian diamond dynasty, which began almost 75 years ago, Sahag Arslanian is bringing his expertise to the table by launching his first namesake ...

A 133.03-carat fancy vivid yellow diamond achieved a sale price of more than $5.5 million, becoming the largest fancy vivid yellow diamond to sell at auction. This was the top lot at Sotheby’s ...

Wondering how the color of your diamond might affect its value? Read our guide and learn everything you should know about diamond colors and value. The color of diamonds has a huge impact on their ...

It’s unusual for Tiffany to tour a rough diamond, but this was a geological wonder, said Reynolds. “It’s very rare to find a diamond of this size and saturated color that came from hundreds of miles ...