Natural diamonds are forged in the Earth’s upper mantle, where temperatures soar at 900–1400°C and pressures reach 5–6 gigapascals—thousands of times greater than the pressure at sea level.

Diamond "growing" machines in India. (Photo by Sam Panthaky/AFP via Getty Images) Listed as an asset for sale as part of a defence against a takeover bid from mining rival BHP, Anglo American was ...

the world’s biggest producer of diamonds MOSCOW, December 02. /ITAR-TASS/. Growing demand for diamonds and reducing production in medium term will remain basic market drivers and will cause ...