SAN FRANCISCO Here's the perfect Christmas gift for the person who has everything: A red and green rock, ornament-sized, stuffed with 30,000 teeny-tiny diamonds. The sparkly chunk was pulled from ...

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

CLEVELAND, Ohio -- The legendary singer/songwriter, showman and recent inductee to the Rock Hall, Neil Diamond wowed a sold-out Q Arena Sunday night. The 71-year-old is still in great shape, has a ...

Diamonds are beautiful and enigmatic. Though chemical reactions that create the highly coveted sparkles still remain a mystery, an American professor is studying a rare rock covered in diamonds that ...

James Passin is a hedge-fund manager with large investments in diamond mining companies and a theory: prices of the precious James Passin is a hedge-fund manager with large investments in diamond ...

A giant diamond nicknamed "The Rock" went on display for the first time in Dubai on Friday ahead of an auction where it's expected to fetch up to $30 million. The 228.31-carat pear-shaped gem, which ...