Canadian mining company Lucara Diamond Corp announced it had unearthed a massive 2,492-carat (or 498.4-gram) stone at its Karowe Diamond Mine in northeastern Botswana, with President Mokgweetsi ...

This week’s find is almost the largest diamond uncovered by miners in history ... structures brought rocks that formed deep within Earth’s mantle up to the surface during volcanic eruptions ...

Just a couple of days ago, the world’s second largest diamond – created in Earth’s core – was discovered in Botswana. The largest diamond was unearthed by miners more than 100 years ago ...

But on that day, a 2,492-carat diamond — believed to be the second largest ever held by a human — completed a journey from hundreds of kilometres inside the Earth’s mantle up to the planet’s surface.

Chip Clark The largest faceted diamond in the National ... any other way of traveling down to the upper mantle of the Earth. How do diamonds travel to the surface of the Earth?

The Smithsonian’s National Museum of Natural History has acquired the 2.33-carat “Winston Red Diamond,” one of the world’s largest fancy red diamonds. It will be unveiled to the public on ...

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 ...