The Cullinan Diamond remains the biggest diamond ever found in the world, discovered in 1905 at the Premier Mine in South Africa. This extraordinary rough stone weighed 3,106 carats and set records that still stand today.
Its discovery reshaped global perceptions of diamond mining and symbolized immense natural value. Below is a detailed comparison of key facts that define the Cullinan legacy.
| Name | Weight (carats) | Discovery Year | Notable Outcome |
|---|---|---|---|
| Cullinan Diamond | 3,106 | 1905 | Cut into multiple gems, including the Great Star of Africa |
| Excelsior Diamond | 995 | 1893 | South African rough stone record at the time |
| Lesedi La Rona | 1,111 | 2015 | Second largest gem-quality diamond ever found |
| Sergio Diamond | 3,167 | 1895 | Rough diamond with high carbon content, not gem quality |
The Discovery at Premier Mine
In January 1905, miners uncovered the largest diamond ever found in the world just 18 feet below the surface. The sheer size of the stone surprised even experienced staff at the Premier Mine, and it took careful assessment to confirm its identity and value.
Cutting and Polish Process
Experts studied the Cullinan for months before cutting it into manageable pieces. The work required precision craftsmanship, as any mistake would have destroyed value equivalent to millions of dollars. Several world-renowned polished diamonds originated from this rough stone.
Jewelry and Crown Jewels Legacy
The polished gems from the Cullinan entered royal collections and symbolize prestige. The largest cut diamond became part of the Sovereign’s Sceptre with Cross, while others appear in important ceremonial regalia.
Key Takeaways
- The Cullinan Diamond remains the biggest diamond ever found in the world.
- Its discovery in 1905 set benchmarks for size and gem-quality yield.
- Careful cutting produced multiple highly valuable polished stones.
- Several resulting gems hold prominent positions in royal regalia.
- Understanding this history highlights the lasting impact of exceptional natural diamonds.
FAQ
Reader questions
How was the Cullinan Diamond discovered?
It was found accidentally by a surface manager during a routine inspection at the Premier Mine in Cullinan, South Africa.
What is the largest cut stone from the Cullinan?
The Great Star of Africa, also known as Cullinan I, is the largest cut diamond from the original rough stone and is set in the Sovereign’s Sceptre.
Has any larger rough diamond been found since 1905?
While several large stones such as Lesedi La Rona were discovered later, none have surpassed the Cullinan Diamond in weight or gem-quality yield.
Where can parts of the Cullinan be viewed today?
Many polished Cullinan diamonds are displayed in the Royal Collection of the United Kingdom and can be seen at the Tower of London.