It is an industry that was supposed to be cleaned up, after the turn-of-the-millennium­ notoriety surrounding so-called blood or conflict ­diamonds—precious stones mined in African war zones ...

Amid a plummeting stock market, self-driving cars running amok, and Mark Zuckerberg buying a house in Northwest, another sign ...

Hosted by investigative reporter Dominic Cunningham-Reid, this National Geographic TV special follows the international trade of illegal diamonds along a danger-filled route from Sierra Leone to ...