In this process, carbon is placed in a chamber ... 3 CVD diamonds are typically purer than HPHT diamonds, making them more suitable for high-end jewelry. In addition, the absence of metal ...

Those factors may make the process subject to some regulations ... turning one into a productive diamond-making operation would still require significant investment in equipment, materials ...

In either case, you’re not getting anywhere without diamond seed crystals. Right now, the idea of Joe Hacker making diamonds in his garage seems about as far off as home 3D printing did in about ...

Engineers and researchers who work with diamond for quantum sensors, power electronics or thermal management technologies ...

“So the labs invented a very sophisticated process where two people grade the diamond. When they agree, that’s the diamond grade and when they don’t, they bring in a third person.

First identified in 1967, lonsdaleite is the hardest naturally-occuring mineral ever discovered—yes, it’s even harder than diamonds ... gradient.” The process required a very deft ability ...

Interestingly, this improved extraction method has created an unexpected challenge: a glut of giant diamonds too large for typical jewelry use. The glut hasn't been helped by automation in the ...