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  1. Cullinan Diamond - Wikipedia

    The Cullinan Diamond is the largest gem-quality rough diamond ever found, [2] weighing 3,106 carats (621.20 g), discovered at the Premier No.2 mine in Cullinan, South Africa, on 26 …

  2. The 10 Biggest Diamonds Ever Discovered in the World - Robb …

    Sep 18, 2023 · Below, we highlight the 10 largest diamonds ever discovered, in ascending order. While not all are CLIPPIRs, they are, collectively, an impressive bunch—until that is, they are …

  3. Cullinan diamond | Size, History, Worth, Crown Jewels, & Facts

    Oct 15, 2025 · Cullinan diamond, world’s largest gem diamond, which weighed about 3,106 carats in rough form when found in 1905 at the Premier mine in Transvaal, modern-day South Africa.

  4. The 11 Largest Diamonds In The World [As of 2025] - RankRed

    Aug 14, 2025 · The brown-colored Golden Jubilee diamond is the largest cut diamond (of any color) in the world and about 15.37 carats heavier than the Cullinan I. Coincidentally, the …

  5. The 10 Biggest Rough Diamonds Ever Discovered

    The Sergio is the largest rough diamond ever found, but its not your typical gemstone. This black diamond, technically classified as a carbonado, was found above ground in the Brazilian state …

  6. The World's Largest Diamonds: rough, gem-quality, carbonado

    The Cullinan Diamond is the is the largest rough gem-quality diamond ever found. It was discovered on January 26, 1905 at the Premier Mine, located near the town of Cullinan, …

  7. How the world’s largest diamond came to be part of the UK's …

    Nov 2, 2023 · The largest diamond ever found was unearthed over a century ago, on 26 January 1905 at the Premier Mine near Pretoria, South Africa. Named after the mine’s owner, Thomas …

  8. The Cullinan Diamond - Royal Collection Trust

    The magnificent Cullinan Diamond – the largest diamond ever found- is incorporated into the Crown Jewels. The stone was discovered near Pretoria in modern -day South Africa in 1905, …

  9. World’s largest diamond found | January 25, 1905 | HISTORY

    Nov 24, 2009 · The largest stone is called the “Star of Africa I,” or “Cullinan I,” and at 530 carats, it is the largest-cut fine-quality colorless diamond in the world.

  10. The Largest Diamond Ever Discovered: The Cullinan Diamond

    May 22, 2025 · What is the Largest Diamond Ever? The Cullinan Diamond is the largest diamond ever known to exist. It was found in 1905 in the Premier Mine in South Africa. In its rough form, …