The 3,106-carat Cullinan Diamond, the largest ever discovered, was unearthed in what's now this country in 1905
The historic Cullinan diamond, 
found in South Africa in 1905, weighed an astounding 3,106 ct. [DOC] [TLE] World's second-largest diamond 'found in Botswana' - BBC News [PAR] Nov 19, 2015 ...