Diamonds form deep within the Earth's mantle, around 250 kilometers below the surface, where immense pressure (up to 10 GPa) and temperatures (around 2,200 °C) compress carbon into diamonds over ...

Diamond rain on Uranus and Neptune: Recent research suggests that extreme pressures and temperatures deep within Uranus and Neptune create conditions where carbon atoms crystallize into diamonds, ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Over 70 percent of the world’s diamonds are mined from kimberlite ...

Diamonds have long been the ultimate symbol of love and commitment, their sparkling brilliance forever linked to life’s most emotional moments. Thanks to decades of marketing genius—most notably from ...