From CNN.com:
A diamond unearthed in the southern African nation of Lesotho could yield one of the largest and highest quality round polished diamonds, according to a statement from company that found it. A mining company unearthed this 478-carat diamond in the southern African nation of Lesotho.
Experts in Antwerp, Belgium who analyzed the 478-carat stone determined it to be of the highest color grading available for a white diamond, said a statement from Gem Diamonds Ltd., the company that found the stone.
“What makes it more remarkable is the color and quality of this stone,” said diamond consultant Neil Buxton.
“It’s a D color, which is the highest possible graded color you can get, and we believe there is a chance — a very good chance — of getting a 100-carat plus” round stone with the highest color and clarity rankings.
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