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  2. Cullinan produced stones of various cuts and sizes, the largest of which is named Cullinan I, and named the Great Star of Africa by Edward VII, and at 530.4 carats (106.08 g) it is the largest clear cut diamond in the world. The stone is mounted in the head of the Sovereign's Sceptre with Cross.

    • Near colourless
    • 105 stones of assorted cuts
    • South Africa
    • 3,106 carats (621.2 g)
    • Cullinan I: The World’s Largest Clear Cut Diamond. Nine of the largest diamonds cut from rough Cullinan (Cullinan I on top middle) Cut Weight: 530.2 carat.
    • Cullinan III. A portrait of Queen Mary wearing four of the largest Cullinan diamonds. Cullinan III is on her necklace. Weight: 3106.75 carat. Cut Weight: 94.4 carat.
    • Graff Lesedi La Rona. Front-view of Lesedi La Rona | Image Courtesy: Graff. Original Weight: 1,111 carats. Cut Weight: 302.37. Lesedi La Rona is the fourth-largest gem-quality diamond in the world.
    • 1,098 Carat Diamond. Weight: 1,098 carat. On June 1, 2021, Botswana based mining company, Debswana, discovered one of the world’s largest diamonds weighing 1,098 carats (219.6 grams).
  3. Mar 8, 2024 · 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. Named for Sir Thomas Cullinan, who had discovered the mine three years earlier, the colourless stone was purchased by the Transvaal government and was presented (1907) to ...

    • The Editors of Encyclopaedia Britannica
  4. Diamonds: Learn about the properties of diamond, its many uses, and diamond discoveries. At 3,106.75 carats, the Cullinan Diamond was the largest gem-quality rough diamond ever found. The largest faceted diamond is the Golden Jubilee, a brown cushion-cut diamond weighing 545.67 carats.

    • The Cullinan Diamond, 3,106 Carats. With a weight of 3,106 carats, the Cullinan is the largest gem-quality rough diamond ever found. Discovered at the Premier No. 2 mine in Cullinan, South Africa, on Jan.
    • The Louis Vuitton Sewelô Diamond, 1,758 Carats. The 1,758-carat Sewelô holds the title of the second-largest rough diamond ever discovered. Unearthed at—say it with us—the Karowe mine in Botswana, the tennis-ball-sized rock emerged from the process unbroken, a feat that Lucara attributed to its state-of-the-art XRT technology, which helps the company recover diamond-bearing rock without crushing it.
    • Diamond From Karowe, Botswana, 1,175 Carats. Lucara discovered this 1,174.76-carat diamond in 2021, less than a week after the 1,098-carat diamond noted above was unearthed.
    • Lesedi La Rona, 1,109 Carats. In November 2015, the Karowe mine yielded a stunner: the 1,109-carat rough that would soon be christened the Lesedi La Rona, which translates as “our light” in Setwana.
  5. May 7, 2021 · The largest diamond is the 530-carat Cullinan I, also known as the Star of Africa, which now sparkles in the royal sceptre of the British Crown Jewels. It is the largest colourless cut diamond in the world.

  6. Nov 24, 2009 · Weighing 1.33 pounds, and christened the “Cullinan,” it was the largest diamond ever found. Superintendent Frederick Wells was 18 feet below the earth’s surface when he spotted a flash of ...

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