Diamonds are formed in the high temperature and pressure environment inside the Earth, but they can also be produced artificially. Chinese online shopping site Alibaba is selling a machine that can ...

Diamonds may be forever. But their market value? That might prove less eternal. In a sign of the times spotted by Ars Technica, you can now buy a diamond-generating machine on the Chinese online ...

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 ...

SURAT: To tackle the rising concerns in the global diamond industry about the undisclosed mixing of the High Pressure, High Temperature (HPHT) synthetics, the International Institute of Diamond ...