“This is the most famous blue diamond that's coming up for sale for the first time ever in over 100 years.” :: The boron in this diamond gives it its blue color and also makes it electro-conductive ...

The second largest diamond in the world has been discovered in Botswana. Canadian mining company Lucara Diamond used an advanced X-ray scanner to find a 2,492-carat diamond from its Karowe Diamond ...

The largest diamond found in more than a century has been unearthed at a mine in Botswana, and the country's president showed off the fist-sized stone to the world at a viewing ceremony Thursday.The ...