Because cubic zirconia is harder than glass, testing whether it can scratch glass is not a good way to determine if a material is a cubic zirconia or diamond. How to Tell the Difference Between Cubic Zirconia and Diamond. If you’re trying to tell the difference between cubic zirconia and diamond, there are other tests you can do, like the
If you know the dimensions and weights of moissanite or CZ then compare them to estimated diamond weights. For round diamonds x average diameter x depth x .00625. So a 1ct diamond might measure 6.4 x3.9mm. A 6.4mm moissanite will weigh close to 0.91ct and a 6.4mm CZ will weigh in at about 1.65ct. Cubic Zirconia (CZ) Lab created diamond is significantly harder than cubic zirconia. Diamonds are known as one of the hardest gemstones, and since lab created diamond has the same properties, they have the same hardness. Lab created diamond rates 10 on the Mohs hardness scale, compared to cubic zirconia’s rating of 8.5. Consequently, cubic zirconia is less Zircon vs. Cubic Zirconia – Light performance Zircon has very high sparkle, luster, dispersion and a relatively high refractive index (RI) of 1.93 – 1.98. In other words, it plays excellently with light, making it a brilliant and fiery stone, comparable to a diamond. The average person can usually tell the difference between cubic zirconia and diamond by looking at them side by side. Cubic zirconia is typically less sparkly than diamond and has a different color (usually yellow or greenish). cubic zirconia, which is a type of synthetic diamond that is less hard than diamonds, is a popular substitute for
Cubic Zirconia. One of the most common diamond simulants is cubic zirconia (CZ), which is a synthetic material made of zirconium dioxide. CZ was first mass-produced in the 1970s as a less expensive alternative to diamonds. CZ has a hardness of 8 on the Mohs scale, which is less than the hardness rating of a diamond which is 10.
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    • difference between cz and diamond