World's largest uncut diamond heading to auction

CHICAGO (FOX 32 News) - The world's largest uncut diamond is headed to auction.
The white diamond was discovered in the southern African country of Botswana.
The diamond, which is about the size of a tennis ball, is over 1,100 carats.
During a private auction in May, a diamond that was over 800 carats sold for $63 million.