After decades of chasing after a rare hexagonal diamond, a Chinese team says their iteration of the elusive material is the ...

To misquote a famous song, "Diamonds are industry's best friend." Cubic diamond is the hardest mineral on Earth and is used in everything from precision cutting tools to high-performance ...

By Rajendra Jadhav MUMBAI, March 5 (Reuters) - The Middle East conflict has disrupted India's gems and jewellery exports, as ...