The largest diamond discovered in a century went on auction this week. It's as big as a tennis ball, and the highest bid for it went up to $61 million. That wasn't high enough for the sellers. The ...

This is an edition of Time-Travel Thursdays, a journey through The Atlantic’s archives to contextualize the present, surface delightful treasures, and examine the American idea. Sign up here. It’s one ...

Is the global turmoil driving sales of portable assets? Or is it just a love of rare jewels? By Jill Newman Alisa Moussaieff was in her London office on May 14, having lunch and bidding over the phone ...

Elton Santos receives funding from EPSRC, Royal Society, and is affiliated with the Donostia International Physics Center, San Sebastián, Spain. Diamonds might be forever but that doesn’t stop them ...

The appeal of a diamond, for a ring on a finger or to string on a necklace, rests on its sparkle. Its precise value is determined by how well the stone is cut, its colour, its size (also called its ...

Diamonds may be a girl’s best friend, but they’re also a pricey companion — and definitely not one you’d want to lose. That’s why some married women are choosing to wear fake engagement rings or ...

Taylor Swift’s engagement ring has changed the game. After years in the shadows of cushion cuts, old mine cut rings are now back in the spotlight. Within a day of NFL star Travis Kelce’s proposal to ...