(CNN) — A massive 2,492-carat rough diamond, believed to be the second biggest ever found, has been unearthed in Botswana, according to a mining company. The huge stone is thought to be the biggest ...

Add Yahoo as a preferred source to see more of our stories on Google. A 2,492-carat diamond was unearthed at Botswana's famed Karowe mine this week by Canada's Lucara Diamond, one of the largest ...

Diamonds are rare, sparkling gems made entirely of carbon. They are the hardest natural material found on Earth. Right now, ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The boundary between the ...

A surge in demand for lab-grown stones has weakened a key corner of the diamond market, Bloomberg reported. Diamond demand has softened since the pandemic, but the rough-diamond market has seen sharp ...