Even with the weight of worlds on its shoulders, diamond resolutely refuses to buckle under the pressure. Thanks to the highest-pressure X-ray diffraction experiments ever reported, researchers have ...

WASHINGTON, D.C., September 8, 2015 -- Diamonds are forever, except when they oxidize while cutting through iron, cobalt, nickel, chromium, or vanadium at high temperatures. Conversely, cubic boron ...

Cubic zirconia is a type of diamond simulant — a “fake diamond” — that is extremely affordable. However, it doesn’t hold any value over time like a real diamond and loses its luster in just a few ...

New research indicates that a rare form of diamond may originate in the burbling cores of distant worlds, arriving on Earth thanks to violent cosmic collisions. According to a team of scientists in ...