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  2. Gemesis - Wikipedia

    en.wikipedia.org/wiki/Gemesis

    Using these methods, Gemesis produced high-quality colorless and fancy color diamonds that were offered for sale at 20–30% lower prices than mined natural diamonds of similar quality (and, from some suppliers, lower prices than that). [6] By about 2010, Gemesis was the principal producer of gem quality lab created diamonds and jewelry.

  3. List of synthetic diamond manufacturers - Wikipedia

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

    Synthetic diamonds are produced via high pressure, high temperature or chemical vapor deposition (CVD) technology. These diamonds have numerous industrial and commercial uses including cutting tools, thermal conductors and consumer diamond gemstones.

  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. Diamond simulant - Wikipedia

    en.wikipedia.org/wiki/Diamond_simulant

    Introduced at the end of the 20th century, the lab-grown product moissanite has gained popularity as an alternative to diamond. The high price of gem-grade diamonds, as well as significant ethical concerns of the diamond trade, [1] have created a large demand for diamond simulants. [2]

  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. Gemstone irradiation - Wikipedia

    en.wikipedia.org/wiki/Gemstone_irradiation

    Gemstone irradiation is a process in which a gemstone is exposed to artificial radiation in order to enhance its optical properties.High levels of ionizing radiation can change the atomic structure of the gemstone's crystal lattice, which in turn alters the optical properties within it. [1]

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