Cz Vs Diamond Tester. Diamonds conduct electricity better than other stones including the difficult synthetic moissanite. For a full write up on fake diamonds and CZ go to.
A diamond gives off more white light brilliance while a cubic zirconia gives off a noticeable rainbow of colored light excessive light dispersion. A diamond is the hardest stone known to man while a cubic zirconia has a much lower rating of hardness. For a full write up on fake diamonds and CZ go to.
You can also test it out by checking the weight.
The best way to tell a cubic zirconia from a diamond is to look at the stones under natural light. Anything that makes that crazy honking goose noise is not a Diamond. CZ just happen to be the cheapest alternative among them. Cubic zirconia shines in all colors of the rainbow.
