The 1,758-carat Sewelô diamond was mined in Botswana and is the second-largest uncut diamond ever found

1,758 carats

Sewelô diamond

58g tennis ball

5 carats

Diamond ring

105.6 carats

Koh-i-Noor

48g medium egg

1,758 carats

Sewelô diamond

105.6 carats

Koh-i-Noor

5 carats

Diamond ring

48g medium egg

58g tennis ball