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  2. Diamond - Wikipedia

    en.wikipedia.org/wiki/Diamond

    Similarly, natural diamonds usually have minor imperfections and flaws, such as inclusions of foreign material, that are not seen in synthetic diamonds. Screening devices based on diamond type detection can be used to make a distinction between diamonds that are certainly natural and diamonds that are potentially synthetic.

  3. Material properties of diamond - Wikipedia

    en.wikipedia.org/wiki/Material_properties_of_diamond

    In natural diamonds, there is typically little if any response to short-wave ultraviolet, but the reverse is true of synthetic diamonds. Some natural type IIb diamonds phosphoresce blue after exposure to short-wave ultraviolet. In natural diamonds, fluorescence under X-rays is generally bluish-white, yellowish or greenish. Some diamonds ...

  4. What Are the Key Differences Between Lab-Grown and Natural ...

    www.aol.com/key-differences-between-lab-grown...

    A diamond can be anyone’s best friend, and whether you’re looking to purchase the stone as an anniversary gift, a birthday present, or simply just because, there are so many shapes, sizes ...

  5. Gemstone - Wikipedia

    en.wikipedia.org/wiki/Gemstone

    Whether a gemstone is a natural stone or synthetic, the chemical, physical, and optical characteristics are the same: They are composed of the same mineral and are colored by the same trace materials, have the same hardness and density and strength, and show the same color spectrum, refractive index, and birefringence (if any). Lab-created ...

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

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

    The key difference between lab-grown and natural diamonds is their origins: Natural diamonds take billions of years to form, and lab-grown diamonds can be created in a matter of weeks.

  7. 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.