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  2. ALTR Created Diamonds - Wikipedia

    en.wikipedia.org/wiki/ALTR_Created_Diamonds

    ALTR Created Diamonds is a division of the R.A. Riam Group, a wholesale jeweler based in New York City. [2] The principles of Riam Group were heirs to a heritage of 80 years in the mined diamond business, when they released their first lab-grown diamond. [3] Riam introduced ALTR Created Diamonds at JCK Las Vegas trade show in 2016. [4]

  3. Are lab-grown diamonds 'worthless'? Experts weigh in as ... - AOL

    www.aol.com/news/lab-grown-diamonds-worthless...

    Some high-end fine jewelers have gotten on board with the trend. In 2023, jeweler Jean Dousset, the great-great-grandson of Louis Cartier, opened a showroom with “designer” lab-grown diamonds ...

  4. Synthetic diamond - Wikipedia

    en.wikipedia.org/wiki/Synthetic_diamond

    Lab-grown diamonds of various colors grown by the high-pressure-and-temperature technique. A synthetic diamond or laboratory-grown diamond (LGD), also called a lab-grown diamond, [1] laboratory-created, man-made, artisan-created, artificial, synthetic, or cultured diamond, is a diamond that is produced in a controlled technological process (in contrast to naturally formed diamond, which is ...

  5. List of synthetic diamond manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_synthetic_diamond...

    Apollo Diamond (defunct, assets sold in 2011 to Scio Diamond) [1] ALTR Created Diamonds [2] De Beers (Lightbox) [3] Diamond Foundry [4] Gemesis (now a non-producing reseller called Pure Grown Diamonds) [5] Scio Diamond Technology Corporation [6] (colorless) Tairus [7] WD Lab Grown Diamonds [8]

  6. Memorial diamond - Wikipedia

    en.wikipedia.org/wiki/Memorial_diamond

    The first lab-made diamonds can be dated back to the 1950s, [1] and memorial diamonds started to appear in the market in the early 2000s. More than one company has claimed to be the first to provide memorial diamonds, and both Heart In Diamond [2] and LifeGem [3] have claimed to have a patent covering the growing of a "personalized gem diamond".

  7. See Nina Dobrev's 5-Carat Diamond Engagement Ring from ... - AOL

    www.aol.com/shaun-white-proposed-nina-dobrev...

    The proposal went down under an arch of white roses at the Golden Swan restaurant, where White presented Dobrev with a 5-carat diamond ring by Lorraine Schwartz. The sparkler is an oval-shaped ...

  8. Diamond necklace linked to Marie Antoinette scandal sells for ...

    www.aol.com/diamond-necklace-linked-marie...

    A 300-carat necklace, whose diamonds have been linked to a scandal involving the last French queen Marie Antoinette, sold Wednesday for nearly $5 million at a Sotheby's auction in Geneva.

  9. Diamond cutting - Wikipedia

    en.wikipedia.org/wiki/Diamond_cutting

    [citation needed] The marquise can be cut into an oval diamond by any diamond cutter with a loss of 5 to 10% in total weight. [citation needed] For example, a 1.10-carat marquise shape would be a 1.00 oval cut diamond by rounding the sharp points and creating an oval which currently in the market has a much greater desirability and resale value ...

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