With what it takes to make synthetic diamonds – the crushing pressures ... Where sapphire gets its blue tint mainly from iron, rubies get their pink to blood-red hue from chromium.

In their project, reported in the journal Nature Materials, the group developed a process that involves heating and compressing graphite to create synthetic diamonds. Diamonds are a prized gem the ...

It also enables precision ‘doping’ with elements such as boron (in blue diamonds) for electrochemical applications, or nitrogen-vacancy (NV) in pink diamonds for quantum technology.