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, ...

De Beers Group said Thursday that it plans to close Lightbox, its lab-grown diamond jewelry brand, saying that the closure reinforces its “commitment to natural diamonds in the jewelry sector.” As ...

De Beers chief executive Al Cook wants to save a generation of lovers and newlyweds from what he calls a “huge con” when it comes to buying diamonds. In the process, he hopes to rescue his iconic ...