Five views of the eagle diamond

Shine On You Eagle Diamond

The year 1893 was a big one for Eagle, Wisconsin. Workers found a huge diamond on the Devereaux farm: sixteen carats, uncut, and now, all these years later, missing.
Diamond water prices

Why Are Diamonds More Expensive Than Water?

Water is simultaneously one of the few things we absolutely cannot live without, and one of the things we value least. There's an economic rationale behind that.
Hope Diamond

The Secrets of Diamonds

Diamonds are sparkly. Diamonds are expensive. But diamonds are more than bling—they tell us a lot about the earth, itself.
Close-up of a diamond held by jeweler's tweezers

Got Plants? You May Also Have Diamonds!

The use of plants as indicators for specific environmental conditions