Jacques addresses the significance of the astounding Lucara Diamond recently discovered, and GIA's work helping dealers, ...

The necklace containing around 300 carats of diamonds was bought by an unidentified woman who put in her bid over the phone, ...

In August, the second-largest diamond ever found saw the light of day. But who will be trusted to turn the stone into gems? Natural light streams in from a wall-to-wall window where Eric ...