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  2. Cubic zirconia - Wikipedia

    en.wikipedia.org/wiki/Cubic_zirconia

    Cubic zirconia is relatively hard, 8–8.5 on the Mohs scale—slightly harder than most semi-precious natural gems. [1] Its refractive index is high at 2.15–2.18 (compared to 2.42 for diamonds) and its luster is Adamantine lustre. Its dispersion is very high at 0.058–0.066, exceeding that of diamond (0.044).

  3. 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 ...

  4. Morganite (gem) - Wikipedia

    en.wikipedia.org/wiki/Morganite_(gem)

    Morganite is an orange or pink variety of beryl and is also a gemstone. [2] Morganite is mined in Brazil, Afghanistan, Mozambique, Namibia, the United States, and Madagascar. [3] Morganite has grown in popularity since 2010. [2] Brides and CNN have listed it as a possible alternative to diamond for engagement rings. [4] [5]

  5. Trending engagement ring styles for every budget - AOL

    www.aol.com/trending-engagement-ring-styles...

    VRAI explores engagement ring options for every budget, from under $1,500 to over $5,000. ... You will need to select the ring and the center stone before completing your purchase—and both items ...

  6. Engagement ring - Wikipedia

    en.wikipedia.org/wiki/Engagement_ring

    The most common setting for engagement rings is the solitaire prong setting, which was popularized by Tiffany & Co. in 1886 and its six-claw prong setting design sold under the "Tiffany setting" trademark. The modern favorite cut for an engagement ring is the brilliant cut, which provides the maximum amount of sparkle to the gemstone. [46]

  7. Diamond (gemstone) - Wikipedia

    en.wikipedia.org/wiki/Diamond_(gemstone)

    One of the first uses of the diamond engagement or wedding ring is for the marriage of Maximilian I, then Archduke of Austria, to Mary of Burgundy in 1477. [59] Other early examples of betrothal jewels incorporating diamonds include the Bridal Crown of Blanche ( c. 1370–1380) [ 59 ] and the Heftlein brooch of Vienna ( c. 1430–1440), [ 59 ...

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