A pair of diamonds that formed hundreds of kilometers deep in Earth’s malleable mantle both contain specks of materials that form in completely opposing chemical environments—a combination so unusual ...

From brilliant blues to fiery reds, discover how nature crafts diamonds in every color, and why some shades are rarer than the rest Emma Saaty Selections from the Winston Fancy Color Diamond ...

New research is shedding light on the tumultuous processes that give rise to diamonds, by homing in on a distinct purple companion found alongside them. Diamonds are highly prized for their qualities ...