Scientists created a pure hexagonal diamond in the lab, confirming a long-debated carbon structure slightly harder than ...

A team of physicists, materials scientists and engineers affiliated with several institutions in China, working with a colleague from Umeå University, in Sweden, has grown a diamond that is harder ...

Add Yahoo as a preferred source to see more of our stories on Google. It appears that De Beers has spotted the writing on the wall in an increasingly crowded lab-grown diamond market. The diamond ...