Deep beneath our feet, colossal explosions in the mantle have, at times, blasted diamonds toward the surface in violent jets ...

“A diamond is forever.” That iconic slogan, coined for a highly successful advertising campaign in the 1940s, sold the gemstones as a symbol of eternal commitment and unity. But our new research, ...

Diamonds seem to reach Earth's surface in massive volcanic eruptions when supercontinents break up, and they form when continents come together. When you purchase through links on our site, we may ...

Crater of Diamonds, which sits on the eroded top of a volcanic pipe, is the eighth largest diamond deposit in the world. It is one of only two active diamond mines in the United States and is the only ...