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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

   Moissanite is superior to cubic zirconia in two ways: its hardness (8.5–9.25) and low SG (3.2). The former property results in facets that are sometimes as crisp as a diamond's, while the latter property makes simulated moissanite somewhat harder to spot when unset (although still disparate enough to detect).

4. 11 Engagement Ring Trends for 2024 That Will Make You ... - AOL

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

   Jean Dousset. Both Neal and Dousset have observed that bigger stones—specifically, diamonds—are trending. Dousset noted sizes as large as three or four carats, saying that the popularity of ...

5. Cubic zirconia - Wikipedia

   en.wikipedia.org/wiki/Cubic_zirconia

   If the concentration of Y 2 O 3 is between 2.5-5% the resulting product will be PSZ (partially stabilized zirconia) while monophasic cubic crystals will form from around 8-40%. Below 14% at low growth rates tend to be opaque indicating partial phase separation in the solid solution (likely due to diffusion in the crystals remaining in the high ...

6. Engagement ring - Wikipedia

   en.wikipedia.org/wiki/Engagement_ring

   An engagement ring, also known as a betrothal ring, is a ring indicating that the person wearing it is engaged to be married, especially in Western cultures. A ring is presented as an engagement gift by a partner to their prospective spouse when they propose marriage to represent a formal agreement to future marriage.

7. Wikipedia : WikiProject Gemology and Jewelry/Gemstones

   en.wikipedia.org/wiki/Wikipedia:WikiProject...

   The following values may be used for the importance parameter: Top (adds articles to Category:Top-importance Gemology and Jewelry articles); High (adds articles to Category:High-importance Gemology and Jewelry articles)