Discover how a visitor found “The Duke Diamond,” a 3.81-carat brown diamond, after heavy rains in Crater of Diamonds State Park.

Extreme geological events, like the kind that form mountains, can ‘deform' a diamond, giving some their unique colors, ...

A diamond ring holds emotional significance, but when it comes to selling, buyers are more interested in technical concerns ...

Experts at a laboratory in Botswana managed by the Gemological Institute of America recently examined an extraordinary ...

“I honestly thought it was too big to be a diamond!” Rayne Madison said of her discovery at an Arkansas state park Arkansas State Parks Raynae Madison and her family, of Cookson, Okla., visited Crater ...

Many are familiar with the “four Cs” of a diamond: cut, color, clarity and carat weight. With the addition of Helzberg lab grown diamonds, ring shoppers can now benefit from a new “C” — choice — and ...

A 16.56-carat diamond solitaire ring owned by Dorrance “Dodo” H. Hamilton is the top lot at Freeman’s Fine Jewelry auction on May 9. The F color, VS2 clarity stone mounted in platinum has an estimate ...