Moissanite’s price per carat varies, while the average price per carat of a CZ is about $20. Moissanite has a better resale value than cubic zirconia because of the romanticized history and the natural value of the stone. Overall, moissanite is about 90% less expensive than the typical diamond.
VVS diamonds are the rarest of the four types of diamonds. They are graded according to their clarity, measured on a scale from VS1 to VVS2. The difference between VVS and VS is subtle, but it's there. If you have an eye for detail, you'll be able to tell the difference between the two.
Cubic zirconia is the most affordable of the three gemstones, making it a popular choice for costume jewelry. It is usually sold for a fraction of the cost of a natural diamond. Moissanite is more expensive than cubic zirconia but is still more affordable than a diamond. It is often sold as a more budget-friendly alternative to diamonds.
Cubic Zirconia: Durability And Density. While diamonds score a perfect 10 on the Mohs scale of hardness, cubic zirconia, on the other hand, ranks at 8.5. Since it’s a synthetic material, cubic zirconia does offer some durability. It can be set and worn in jewelry – but won’t have the longevity of a diamond, of course.
Cubic zirconia has a refractive index of between 2.15 and 2.18. That compares to an index of 2.42 for diamond. That difference means that when light enters a diamond, it will slow down much more than when it enters a cubic zirconia. But that in itself doesn’t necessarily make much difference to what you see.
15,025. May 3, 2013. #7. Circe|1367633275|3440018 said: Nope. I took the GIA diamond grading course, I have oodles of experience, and assuming it's a well-cut CZ, no, you can't tell the difference with the naked eye off the bat. (With a loupe, it's a lot easier.) It's generally the cheap setting that gives it away.
Appearance. Simulated diamonds and cubic zirconia are both visually similar to real diamonds, but there are a few key differences in appearance. Simulated diamonds have a more vibrant sparkle and shine than cubic zirconia, and are often more colorless. On the other hand, cubic zirconia can have a slightly yellowish hue and is more susceptible
Cubic zirconia is much cheaper than a mined diamond. For example, a flawless/FL 1 carat round diamond graded D costs around $20,000. In contrast, a 1 carat cubic zirconia is only worth $10. As the carat size increases, the cost difference between cubic zirconia and diamond grows even more extensive.
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difference between cz and diamond