Diamonds are made out of carbon — highly organized carbon, that is. Geologists are still guessing how diamonds formed in the ...

The stone, unearthed at the Karowe mine in northeastern Botswana, is now under study by the Gemological Institute of America ...

A rare two-coloured diamond has been discovered in Botswana, in southern Africa. The rough stone is half-pink and ...

Buying a diamond is an emotional moment. Whether it’s for an engagement ring, a Diwali gift, or simply a treat-yourself ...

Diamond rain falls on ice giants Uranus and Neptune, where intense pressure and heat transform methane into crystallizing diamonds. Scientists recreat ...

Experts at a laboratory in Botswana managed by the Gemological Institute of America recently examined an extraordinary ...

A 37.4-carat pink-and-colorless diamond found in Botswana’s Karowe mine reveals a rare two-stage formation deep within ...

Determining the authenticity of a diamond requires professional equipment and a highly trained eye. At-home tests do ...

Diamonds have always captured people’s imaginations with their sparkle and rarity. These gems are not only priceless but full ...

The discovery of two diamonds originating from the depths of the Earth's mantle reveals a chemical coexistence that scientists had until now deemed unimaginable. These precious stones, formed several ...

A tiny Caribbean ant fossil, Basiceros enana, trapped in amber reveals a lost species and rewrites the evolutionary history.