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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 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.

  4. Cubic zirconia - Wikipedia

    en.wikipedia.org/wiki/Cubic_zirconia

    The emergence of artificial stones such as cubic zirconia with optic properties similar to diamonds, could be an alternative for jewelry buyers given their lower price and noncontroversial history. An issue closely related to monopoly is the emergence of conflict diamonds.

  5. VVS - Wikipedia

    en.wikipedia.org/wiki/VVS

    VVS (song) - 2020 song by Mirani, Mushvenom, Khundi Panda, Munchman, and Justhis, title derived from diamond clarity above "VVS", 2023 song by Peso Pluma from the album Génesis People

  6. Diamond clarity - Wikipedia

    en.wikipedia.org/wiki/Diamond_clarity

    Diamond clarity is the quality of diamonds that relates to the existence and visual appearance of internal characteristics of a diamond called inclusions, and surface defects, called blemishes. Clarity is one of the four Cs of diamond grading, the others being carat , color , and cut .

  7. Diamond color - Wikipedia

    en.wikipedia.org/wiki/Diamond_color

    Color grading of diamonds was performed as a step of sorting rough diamonds for sale by the London Diamond Syndicate. As the diamond trade developed, early diamond grades were introduced. Without any co-operative development, these early grading systems lacked standard nomenclature and consistency. Some early grading scales were; I, II, III; A, AA, AAA; A, B, C. Numerous terms

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