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 diamond ...

It used to take the Earth 3 billion years, 2,000-degree temperatures, a little carbon and a lot of pressure to grow a diamond. Now, a new machine can do it in five days. In Kerrville, Texas, a small ...

TEL AVIV-YAFO, Israel — Assessing the value of a diamond is a job that’s been done by eye for centuries. But artificial intelligence (AI) is now so sophisticated that it can do the same task faster, ...