What Is the Largest Diamond in the World?
The largest diamond ever found is the Cullinan: a 3,106-carat rough diamond (about 621 g) discovered in 1905 at the Premier mine, South Africa. It was cut into 9 major stones; the largest, Cullinan I (Great Star of Africa, 530.2 ct), is in the British Crown Jewels at the Tower of London.
| Diamond | Weight | Found | Today |
|---|---|---|---|
| Cullinan (rough) | 3,106 ct | South Africa, 1905 | Cut into 9 major stones |
| Karowe diamond (rough) | 2,492 ct | Botswana, 2024 | Second-largest rough ever |
| Sewelô (rough) | 1,758 ct | Botswana, 2019 | Uncut |
| Lesedi La Rona (rough) | 1,111 ct | Botswana, 2015 | Cut into the Graff Lesedi La Rona |
| Golden Jubilee (cut) | 545.67 ct | South Africa, 1985 | Largest cut diamond |
| Cullinan I | 530.2 ct | Cut 1908 | British Crown Jewels |
| Spoonmaker’s Diamond | 86 ct | — | Topkapı Palace Museum, Istanbul |
Frequently asked questions
What is the largest diamond ever found?
The Cullinan, 3,106 carats, found in South Africa in 1905.
What is the largest cut diamond?
The Golden Jubilee, 545.67 carats.
Is the Koh-i-Noor the largest diamond?
No. It is famous but weighs about 105.6 carats after its 1852 recut.
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