The rest of the process happens more or less naturally, as crystals begin to form in the saturated solution. And boy, did they grow — long, prismatic lime-green crystals, with a beautiful ...

There's a lot of pressure, the weight of the overlying rock bearing down, so that combination of high temperature and high pressure is what's necessary to grow diamond crystals in the Earth.

In a new paper, Jordan Jensen and Alexis Ault introduce a new forensic tool designed to enhance our understanding of how ...

Polishing the crystals to make them optically cleaner would be a good next step, as would perhaps growing even larger crystals.