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

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

    In 2023, sales for wholesale polished diamonds fell 20%. Elissa Sommers, the CEO and head jewelry designer of Los Angeles-based Elissar Couture, said she does not sell lab-grown diamonds in her ...

  3. Gemological Institute of America - Wikipedia

    en.wikipedia.org/wiki/Gemological_Institute_of...

    Diamond reports from GIA (as well as other, for-profit sources) are now demanded by most consumers purchasing diamonds over a certain size, typically for over 0.5 carat (100 mg), and almost always for over 1.0 carat (200 mg), and are considered an important tool in guaranteeing that a diamond is accurately represented to a potential buyer.

  4. Counterfeit consumer good - Wikipedia

    en.wikipedia.org/wiki/Counterfeit_consumer_good

    Counterfeit consumer goods are goods illegally made or sold without the brand owner's authorization, often violating trademarks.Counterfeit goods can be found in nearly every industry, from luxury products like designer handbags and watches to everyday goods like electronics and medications.

  5. Moissanite - Wikipedia

    en.wikipedia.org/wiki/Moissanite

    As a diamond alternative, Moissanite has some optical properties exceeding those of diamond. It is marketed as a lower price alternative to diamond that does not involve the expensive mining practices used for the extraction of natural diamonds. As some of its properties are quite similar to diamond, moissanite may be used as counterfeit diamond.

  6. Woman finds that her fake diamond ring from 30 years ago is ...

    www.aol.com/news/2017-05-22-woman-finds-that-her...

    Diamonds -- fake and real -- are perhaps the best example of this. So 30 years ago, when one London-based woman found a huge, gorgeous and fake diamond ring at a car boot sale (almost the ...

  7. 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.