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Botswana diamond: Huge 2,492-carat stone, believed to be ...
World's second-largest diamond found in Botswana - BBC
The biggest diamond in over a century is found in Botswana ...
Diamond Found in Botswana Is World’s 2nd-Largest Ever at ...
Botswana diamonds: World's second-biggest stone found by ...
Biggest diamond in over a century is found in Botswana - NBC News
World’s second-largest diamond discovered in Botswana