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 ...

Back in the day people were more relaxed about moving precious stones around the world. Consider, for example, the low-key arrangements for the famous Jonker diamond, which was shipped by ordinary ...

As Nigeria attracts a groundbreaking $400 million Foreign Direct Investment (FDI) to establish Africa’s largest rare earth and critical minerals plant in Nasarawa State, attention is once again ...

LOS ANGELES (Reuters) - A rare blue flawless 12-carat diamond, one of the world's rarest gems, was the newest attraction at the Natural History Museum in Los Angeles on Friday, adding a vibrant ...

A Carthage man may have unearthed one of the rarest gemstones in the world — not in a mine, but in his own front yard. Robert Lewis Jr. says he found an unusual black rock just steps from his home ...