Long before they’re polished and set in gold, the world’s greatest gems sleep beneath mountains, rivers, and deserts. Their origins are as captivating as their glow: volcanic depths, ocean floors, and ...

The Smithsonian's National Museum of Natural History acquired one of the world's rarest gemstones.Natural red diamonds are some of the rarest gems on Earth, and the Winston Red Diamond is exceptional ...

The jewelry industry has always been shaped by scarcity, beauty, and the occasional stroke of geological luck. For centuries, diamonds, rubies, sapphires, and emeralds held their positions as the ...

The rare green gemstone, confirmed through mineral testing in Dallas to be andradite garnet or a 'demantoid.' (Elizabeth Pinkston/Panola Watchman) A Carthage man may have unearthed one of the rarest ...