Natural diamonds form on their own ... impacts and carbon footprints of natural and lab-made stones, there are no ...

Discover the ultimate test of skill with our roundup of the 10 most challenging downhill mountain bike trails.

Mineralogists named the new hexagonal variant of diamond lonsdaleite after the British mineralogist Dame Kathleen Lonsdale, who helped advance the study of natural diamond crystals. Microscopic ...

There was a time when a moral, brave, and industrious people could become a powerful nation independant of climate and natural resources ... The Koh-i-Noor diamond is valued at $2,500,000 ...

The gem is a carbonado, one of the toughest forms of natural diamond. Black diamonds are usually about 2.6 to 3.2 billion years old - a time before dinosaurs existed. The Earth itself is around 4. ...

The natural diamonds that were hoarded by potentates ... blue, brown, and even black diamonds are also found. Raw, uncut stones lack the exuberance of jewelry-store gems and can appear quite ...

Jewellery & Gem World Hong Kong, the world’s largest jewelry trade show, is a microcosm of the complexities and ...

The clusters are usually placed at the white tip border where the natural ... or the seductive diamond-studded ombre, there’s ...

But when it comes to the Enigma, a 555.55-carat Fancy Black Natural Colour diamond that went on sale with Sotheby’s earlier this month, that is a mystery. The prevailing theory is that it came ...

A bigger, less pure black diamond was discovered in Brazil ... is the second-biggest producer of natural diamonds behind Russia and has unearthed all of the world's biggest stones in recent ...

A bigger, less pure black diamond was discovered in Brazil ... is the second-biggest producer of natural diamonds behind Russia and has unearthed all of the world's biggest stones in recent ...