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2. Cubic zirconia - Wikipedia

   en.wikipedia.org/wiki/Cubic_zirconia

   Cut: Cubic zirconia gemstones can be cut differently than diamonds: The facet edges can be rounded or "smooth". Color: only the rarest of diamonds are truly colorless, most having a tinge of yellow or brown to some extent. A cubic zirconia is often entirely colorless: equivalent to a perfect "D" on diamond's color grading scale. That said ...

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. 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).

5. Zirconium dioxide - Wikipedia

   en.wikipedia.org/wiki/Zirconium_dioxide

   Visually discerning a good quality cubic zirconia gem from a diamond is difficult, and most jewellers will have a thermal conductivity tester to identify cubic zirconia by its low thermal conductivity (diamond is a very good thermal conductor). This state of zirconia is commonly called cubic zirconia, CZ, or zircon by jewellers, but the last ...

6. 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.

7. Tennis Bracelets and Earrings—Oh My! Hop on This Huge ... - AOL

   www.aol.com/lifestyle/tennis-bracelets-earrings...

   It features five descending hearts embellished with 2.26 carats' worth of cubic zirconia stones. The lobster clasp design provides a secure fit, making it one of the many elements shoppers adore ...