Huge diamond discovered in Botswana 
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The 998-carat, high white diamond, unearthed by Canada’s Lucara Diamond Corp., is the fourth largest gem quality diamond ever found 
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AFRICA 
Botswana
67x49x45mm
Technology used by Lucara at Karowe Mine is designed to unearth large diamonds
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Unnamed diamond described as “clivage”, meaning it will be split before individual gems are cut and polished from it
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LARGEST ROUGH DIAMONDS (Size in carats, uncut*) 
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1. Cullinan, 1905         3,106
South Africa, Premier Mine  
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2. Sewelô, 2019          1,758
Botswana, Karowe Mine      
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3. Lesedi La Rona, 2015  1,109
Botswana, Karowe Mine       
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4. Recently found, 2020    998 
Botswana, Karowe Mine    
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5. Excelsior, 1893   995
S. Africa, Jagersfontein Mine 
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6. Star of Sierra Leone, 1972  969
Sierra Leone, Diminco Mine  
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7. Lesotho Legend, 2018   910
Lesotho, Letseng Mine  
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8. Incomparable, 1984 890
DR Congo, MIBA Mine
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9. Constellation, 2015  813
Botswana, Karowe Mine 
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10. Koh-i-Noor, 13th century 793
India, Kollur Mine
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Found at Karowe mine

Great Star of Africa 530 carats

Second Star of Africa 317 carats

Cullinan was cut into several polished gems, two largest of which are set in Crown Jewels of Britain
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*White and yellow diamonds only; does not include 3,167-carat Sergio black diamond
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Sources: Lucara Diamond, Bloomberg, Forbes Pictures: Lucara Diamond, The Cullinan © GRAPHIC NEWS