BOTSWANA (WLS) -- Gemologists are scratching their heads over one of the biggest diamonds discovered in a century.
It was found in Botswana.
The rock is more than 1,100 carats and is too big to be analyzed by a computer, so jewelers have to rely on their knowledge and eye to determine its value.
Some experts are guessing the diamond is worth about $66 million.
1,100-carat diamond discovered in Botswana
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