NEIL DeGRASSE TYSON (As Treasure-Hunter Indiana Jones): Treasure hunters are known for taking risks, especially if they're after something as valuable as a giant diamond. These days, big diamonds are ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. The intense heat and pressure at the Earth's core, deep beneath the surface, is enough to make diamonds out of carbon, ...

CNN — It's proposal season, and engagements are on the rise. So are factory-made diamond sales. Not that you'd know the difference. Man-made diamonds look the same as naturally occurring ones. The ...