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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. Diamond - Wikipedia

    en.wikipedia.org/wiki/Diamond

    Bourses are the final tightly controlled step in the diamond supply chain; wholesalers and even retailers are able to buy relatively small lots of diamonds at the bourses, after which they are prepared for final sale to the consumer. Diamonds can be sold already set in jewelry, or sold unset ("loose").

  4. 11 Engagement Ring Trends for 2024 That Will Make You Say ‘I Do’

    www.aol.com/11-engagement-ring-trends-2024...

    Lab diamonds might be less expensive than natural diamonds, but they’re still precious stones that run in the thousands of dollars. You just might get more bang for your buck. 6.

  5. Diamond simulant - Wikipedia

    en.wikipedia.org/wiki/Diamond_simulant

    A diamond simulant, diamond imitation or imitation diamond is an object or material with gemological characteristics similar to those of a diamond. Simulants are distinct from synthetic diamonds , which are actual diamonds exhibiting the same material properties as natural diamonds.

  6. Gemstone - Wikipedia

    en.wikipedia.org/wiki/Gemstone

    Moissanite actually has a higher refractive index than diamond, and when presented beside an equivalently sized and cut diamond will show more "fire". Cultured, synthetic, or "lab-created" gemstones are not imitations: The bulk mineral and trace coloring elements are the same in both.

  7. Gemesis - Wikipedia

    en.wikipedia.org/wiki/Gemesis

    Gemesis Inc. was a privately held company located in New York City.The company grew synthetic diamonds using proprietary technology.. Gemesis had the world's largest facilities for both the high-pressure high-temperature (HPHT) and chemical vapor deposition (CVD) diamond production methods.

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