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2. Diamond simulant - Wikipedia

   en.wikipedia.org/wiki/Diamond_simulant

   Cubic zirconia can be coated with diamond-like carbon to improve its durability, but will still be detected as CZ by a thermal probe. CZ had virtually no competition until the 1998 introduction of moissanite (SiC; silicon carbide). Moissanite is superior to cubic zirconia in two ways: its hardness (8.5–9.25) and low SG (3.2).

3. Diamonique - Wikipedia

   en.wikipedia.org/wiki/Diamonique

   Logo used since 2010. Diamonique is the brand name used by television shopping network QVC for their cubic zirconia simulated colorless diamond, simulated colored diamond, and simulated colored gemstone jewelry (cubic zirconia is a common type of gemstone substitute). [1]

4. Cubic zirconia - Wikipedia

   en.wikipedia.org/wiki/Cubic_zirconia

   Its dispersion is very high at 0.058–0.066, exceeding that of diamond (0.044). Cubic zirconia has no cleavage and exhibits a conchoidal fracture. Because of its high hardness, it is generally considered brittle. Under shortwave UV cubic zirconia typically fluoresces a yellow, greenish yellow or "beige". Under longwave UV the effect is greatly ...

5. Gemstone - Wikipedia

   en.wikipedia.org/wiki/Gemstone

   Examples of simulated or imitation stones include cubic zirconia, composed of zirconium oxide, synthetic moissanite, and uncolored, synthetic corundum or spinels; all of which are diamond simulants. The simulants imitate the look and color of the real stone but possess neither their chemical nor physical characteristics.

6. Woman finds that her fake diamond ring from 30 years ago is ...

   www.aol.com/news/2017-05-22-woman-finds-that-her...

   Diamonds -- fake and real -- are perhaps the best example of this. So 30 years ago, when one London-based woman found a huge, gorgeous and fake diamond ring at a car boot sale (almost the ...

7. Diamond - Wikipedia

   en.wikipedia.org/wiki/Diamond

   Gem-cut synthetic silicon carbide set in a ring. A diamond simulant is a non-diamond material that is used to simulate the appearance of a diamond, and may be referred to as diamante. Cubic zirconia is the most common. The gemstone moissanite (silicon carbide) can be treated as a diamond simulant, though more costly to produce than cubic ...