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  2. Carroll Chatham - Wikipedia

    en.wikipedia.org/wiki/Carroll_Chatham

    John took over the laboratory and manufacturing side of the company while Tom works on the marketing end. They continue the work that their father started as a boy and after Carroll's death, the Chatham company developed its first synthetic diamond which was Carroll's dream since he was a boy that caused an explosion in his garage lab.

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

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

    Lighter Side. Politics. Science & Tech. Sports. Weather. ... and lab-grown diamonds can be created in a matter of weeks. ... The average cost of a diamond engagement ring in 2024 is around $6,000.

  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. Engagement ring - Wikipedia

    en.wikipedia.org/wiki/Engagement_ring

    Another major category is engagement rings with side stones. Rings with a larger diamond set in the middle and smaller diamonds on the side fit under this category. Three-stone diamond engagement rings, sometimes called trinity rings or trilogy rings, are rings with three matching diamonds set horizontally in a row with the bigger stone placed ...

  6. 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]

  7. Diamond (gemstone) - Wikipedia

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

    1.13-carat (226 mg) round diamond engagement ring. The origin of the custom to use diamonds in rings, and more recently, in engagement rings, can be traced back to the Middle Ages and even the Romans. The Romans valued the diamond entirely on account of the supernatural powers they ascribed to it.

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