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 ...

On top of it, the marketplace for diamonds can be really confusing. There are grades of clarity and color that lead to an overall quality rating. And, of course, diamonds are very expensive. The ...

Is the global turmoil driving sales of portable assets? Or is it just a love of rare jewels? By Jill Newman Alisa Moussaieff was in her London office on May 14, having lunch and bidding over the phone ...