The diamond’s current setting, once described by Evalyn Walsh McLean as a “frame of diamonds,” was originally created by Pierre Cartier and has remained largely unchanged since the early 1900s. NMNH, ...

There’s a certain allure surrounding diamonds lost to history, if not only for their beauty and value, for the mystery and intrigue their disappearance stirred up, which is exactly what happened with ...

Thanks to a modern marketing campaign, the not-really-rare gem became the iconic stone for eternal love. A 274-carat masterpiece cut from a 599-carat stone, the Centenary diamond is one of the world’s ...

Diamonds that formed deep below the Earth's surface are revealing the secrets of an ancient supercontinent that existed hundreds of millions of years ago. A study of these "super-deep" diamonds has ...

It wasn't long ago when valuing a piece of fine jewelry required careful scrutiny of the the diamonds and a brief look at the gold setting. After all, the diamonds made up most of the worth of the ...