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  2. Moissanite - Wikipedia

    en.wikipedia.org/wiki/Moissanite

    A moissanite engagement ring Moissanite: emerald cut. Moissanite was introduced to the jewelry market as a diamond alternative in 1998 after Charles & Colvard (formerly known as C3 Inc.) received patents to create and market lab-grown silicon carbide gemstones, becoming the first firm to do so. By 2018 all patents on the original process world ...

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

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

    Experts weigh in as engagement ring priorities shift for millennials, Gen Z ... and lab-grown diamonds can be created in a matter of weeks. ... Sommers has been selling engagement rings for over ...

  4. Brilliant Earth - Wikipedia

    en.wikipedia.org/wiki/Brilliant_Earth

    The idea for Brilliant Earth was conceived in 2004 by two Stanford alumni, Beth Gerstein and Eric Grossberg. [3] Gerstein has said she was looking for an ethically produced engagement ring in 2003, [5] [6] failing which she partnered with Grossberg to establish Brilliant Earth [2] in August 2005, and launched their e-commerce website in July 2006.

  5. 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 ...

  6. Carroll Chatham - Wikipedia

    en.wikipedia.org/wiki/Carroll_Chatham

    Carroll Chatham (1914–1983) was an American chemist who developed the flux method for synthesizing emeralds. He was the first person to develop a method for creating man-made emeralds that was able to make them commercially available. He founded the jewelry company Chatham which is still selling Chatham emeralds to this day.

  7. Jewellery - Wikipedia

    en.wikipedia.org/wiki/Jewellery

    Conversely, the jewellery industry in the early 20th century launched a campaign to popularise wedding rings for men, which caught on, as well as engagement rings for men, which did not, go so far as to create a false history and claim that the practice had medieval roots. By the mid-1940s, 85% of weddings in the U.S. featured a double-ring ...

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