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. ...

A billion-year-old black diamond, believed to be the ... The gem is a carbonado, which is one of the toughest forms of natural diamond. Carbonados are extremely rare and have only ever been ...

Are lab-grown diamonds losing popularity? What lies ahead for lab-grown diamonds? Are young Indians more interested in ...

Only known to exist in Brazil and the Central African Republic, “carbonado” black diamonds date from around 2.6 to 3.8 billion years ago and are an extremely rare natural occurrence.