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 ...

Diamonds, among the hardest materials in the world, are formed from millions of years of geological pressure and must be extracted from mines deep in the earth. But stones with the same chemical ...

Add Yahoo as a preferred source to see more of our stories on Google. Conventional diamond, called cubic diamond, is known as the hardest substance in the world. But researchers think hexagonal ...

UAB opened its $75 million new science building on Thursday, and physicists are already set up to make diamonds in a basement lab. The diamonds are not for jewelry, but for scientific applications. On ...

One of the most amazing uses of marketing ever, they created an artificial tradition by putting it in movies and advertising it while constraining supply. Before middle 20th century it wasn't a ...