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 ...

Diamonds are incredibly symbolic gemstones and are the hardest naturally occurring substance on earth. But it's their brilliance that makes them so meaningful to own. Some are blessed to have a ...

Forbes contributors publish independent expert analyses and insights. Pam Danziger reports on retail, focused on the luxury consumer market. De Beers launched its largest diamond campaign in a decade, ...