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  2. Williamson pink diamond - Wikipedia

    en.wikipedia.org/wiki/Williamson_pink_diamond

    A month later, the owner of the mine, Canadian geologist John Williamson, gave the uncut stone to Princess Elizabeth as a wedding present. [2] In 1948, the princess and her grandmother, Queen Mary, visited the London diamond cutters Briefel and Lemer to watch the diamond being cut into a 23.6-carat (5 g) round brilliant. [1]

  3. Pink diamond - Wikipedia

    en.wikipedia.org/wiki/Pink_diamond

    Pink diamond is a type of diamond that has pink color. ... rough diamond was cut in London by Briefel and Lemer and set by Frederick Mew of Cartier as 23.6 carats (4. ...

  4. Argyle Pink Jubilee - Wikipedia

    en.wikipedia.org/wiki/Argyle_Pink_Jubilee

    The Argyle Pink Jubilee is a rough pink diamond and the largest rough pink diamond unearthed in Australia. It was found at the Rio Tinto Argyle diamond mine in Western Australia. [2] [3] Large stones like the Jubilee typically go to museums or end up at high-profile auction houses like Christie's.

  5. Rare cache of pink diamonds formed when a supercontinent ...

    www.aol.com/research-may-offer-clue-search...

    Pink diamonds are extremely rare and coveted — a now-closed mine in Australia has been the source of 90% of the colored gemstones. Polished pink specimens of the highest grade can sell for tens ...

  6. Argyle diamond mine - Wikipedia

    en.wikipedia.org/wiki/Argyle_diamond_mine

    Each year from 1984 to 2021, a small collection of the best pink diamonds was offered in an exclusive, invitation-only, sale known as the Argyle Pink Diamond Tender. For every 1 million carats (200 kg) of rough pink diamonds produced by the mine, only 1 carat (0.20 g) polished was offered for sale at the tender. [ 12 ]

  7. List of largest rough diamonds - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_rough_diamonds

    This is a partial list of the largest non-synthetic diamonds with a rough stone (uncut) weight of over 200 carats (40 grams). [1] The list is not intended to be complete—e.g., the Cullinan (formerly Premier) mine alone has produced 135 diamonds larger than 200 carats since mining commenced.

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