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 ...

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 ...

Each year, millions of visitors crowd around a display case in the Smithsonian Museum of Natural History in Washington, D.C., for a glimpse of one of the most legendary gemstones in the world: 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 ...

One of the world's largest manufacturers of colored diamonds has opened a private showroom on Worth Avenue. Astteria, a Tel Aviv-based company that creates natural colored diamond and gemstone jewelry ...