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  2. The Long History of Celebrity Engagement Rings—and Why ...

    www.aol.com/long-history-celebrity-engagement...

    In 2002, Jennifer Lopez’s first ring from Ben Affleck ignited a desire for pink diamond engagement rings. Oval diamonds have been on the rise since 2012 when Blake Lively became engaged to Ryan ...

  3. Spirit of de Grisogono Diamond - Wikipedia

    en.wikipedia.org/wiki/Spirit_of_de_Grisogono_Diamond

    The Spirit of de Grisogono is the world's second-largest cut black diamond, behind the Enigma, and the world's sixth largest diamond overall. Starting at an uncut weight of 587 carats (117.4 g), it was taken from its origin in western Central African Republic to be bought and cut by Fawaz Gruosi. [1]

  4. Diamond (gemstone) - Wikipedia

    en.wikipedia.org/wiki/Diamond_(gemstone)

    The popularity of the diamond ring as an engagement ring for a much wider audience can be traced directly to the marketing campaigns of De Beers, starting in 1938. [60] The campaign had become necessary to sell the many diamonds suddenly available because of large diamond finds, particularly in South Africa.

  5. Engagement ring - Wikipedia

    en.wikipedia.org/wiki/Engagement_ring

    The most common setting for engagement rings is the solitaire prong setting, which was popularized by Tiffany & Co. in 1886 and its six-claw prong setting design sold under the "Tiffany setting" trademark. The modern favorite cut for an engagement ring is the brilliant cut, which provides the maximum amount of sparkle to the gemstone. [46]

  6. Carbonado - Wikipedia

    en.wikipedia.org/wiki/Carbonado

    Carbonado, commonly known as black diamond, is one of the toughest forms of natural diamond. It is an impure, high-density, micro-porous form of polycrystalline diamond consisting of diamond, graphite , and amorphous carbon , with minor crystalline precipitates filling pores and occasional reduced metal inclusions. [ 1 ]

  7. 'Antiques Roadshow': diamond and ruby jewelry worth a fortune

    www.aol.com/news/2014-08-12-antiques-roadshow...

    The collection consisted of a ring, a pendant necklace and a bracelet that was worth a lot more than she expected. The appraiser said, "The ring with the fine ruby and the very very white diamonds ...

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