Are there different grades of cubic zirconia?

The six categories used to describe the quality of cubic zirconia are: AAAAA (the highest quality), AAAA, AAA, AA, A and AB (the lowest quality). The highest quality stones are hard and clear, while the lowest quality stones are cloudy and soft. Most cubic zirconia sold today are rated as AAA quality stones.
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What is the best grade of cubic zirconia?

Rated from lowest quality grade to highest, A, or 1A, are considered the lowest grade of machine-cut CZ while AAAAA, or 5A, are considered the very best. Rated based upon hardness, 5A cubic zirconia have a hardness of 8.5.
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Who makes the highest quality cubic zirconia?

Since 1985 Birkat Elyon is the industry leader in the world's finest cubic zirconia (CZ) jewelry market. What makes our jewelry the best? Cubic zirconia was invented in Russia in the 1970s, as a diamond alternative for use in laser technology.
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How can you tell a good cubic zirconia?

The best way to tell a cubic zirconia from a diamond is to look at the stones under natural light: a diamond gives off more white light (brilliance) while a cubic zirconia gives off a noticeable rainbow of colored light (excessive light dispersion).
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What is AAA grade cubic zirconia?

CZ White AAA stones are the most popular among jewellery stores because they still offer great quality at affordable prices. Prices range from $22 upwards for beautiful jewellery pieces of this grade. Cubic Zirconia White Quality has different grades A, AA and AAA.
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Different Grades of CUBIC ZIRCONIA (CZ) STONES Comparison



What is an AAAA zirconia?

The six categories used to describe the quality of cubic zirconia are: AAAAA (the highest quality), AAAA, AAA, AA, A and AB (the lowest quality). The highest quality stones are hard and clear, while the lowest quality stones are cloudy and soft. Most cubic zirconia sold today are rated as AAA quality stones.
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Is 5a cubic zirconia real diamonds?

A cubic zirconia is a real cubic zirconia, but it is not a real diamond. There are a few types of stones that are used as diamond simulants, but cubic zirconia is by far the most common and the most realistic.
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Do cubic zirconia lose their sparkle?

An accumulation of surface scratches will reduce a cubic zirconia's brilliant shine over time. Any chemical that comes into contact with CZ can cause it to look dull and lose its sparkle. Thankfully, there are some easy ways you can clean your jewelry to help restore it to its original condition.
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Is a cubic zirconia worth anything?

Price. Cubic zirconia is very inexpensive, since it's synthetic and mass-produced. A cut and polished one carat cubic zirconia stone will cost $20 and a similar two carat stone will cost about $30. This is far cheaper than diamonds, which start at $1800 for one carat and increase considerably as size goes up.
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Can you wear cubic zirconia in the shower?

Cubic zirconias look like real diamonds, but they're not. They lack the toughness and resistance of diamonds. It's strongly recommended that you take off your cubic zirconia jewelry before you step in the shower.
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Which is better cubic zirconia or Swarovski?

Simply put, Swarovski Zirconia is a better variant of Cubic Zirconia. It's also more expensive, however, as it bears the Swarovski brand and is of a higher quality.
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Can the average person tell the difference between cubic zirconia and diamond?

You can easily tell the difference between the two if your measurements are correct and if you are using a standard scale. Another differentiating feature is that diamonds are the hardest substances found in the world. Their hardness is around 10 on the Mohs scale.
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Will 5a cubic zirconia pass a diamond tester?

Can CZ pass a diamond tester? No. Cubic Zirconia (or CZ) does not have high enough thermal conductivity to pass. So, when you test a CZ with a diamond tester, it will not show as diamond.
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What does CZ 925 mean?

Most jewelry is made of 925 Sterling Silver and CZ (Cubic Zirconia), which both cut on cost in terms of material without sacrificing beauty! 925 Sterling Silver that has been infused with CZ Stone is quite common in the jewelry industry.
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What is AAA quality stones?

Gemstone Grading System

Gemstone grading is assigned by letter. AAA is the highest grade while D is the lowest. AA – AAA grade gemstones beads are usually more expensive, higher quality, and near-perfect. These gemstone beads are not usually color-enhanced and most of them are faceted cut.
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Will cubic zirconia turn green?

Authentic Cubic Zirconia does not turn your skin green; however, a low-quality imitation might be because it has brass and copper inclusions. Some Cubic Zirconia has gold, silver, or rhodium plating on the bands, which means it tarnishes and makes skin green when the plating wears off.
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Is a cubic zirconia a fake diamond?

A cubic zirconia is not a diamond. It is merely a diamond simulant, meaning that it looks similar but not exactly like a diamond. In fact, a cubic zirconia contains zero carbon, whereas diamonds (mined and grown) are made entirely from carbon.
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Are cubic zirconia the same as lab created diamonds?

The difference between lab-grown and natural diamonds is that lab-grown diamonds are created synthetically in laboratories, while natural ones are mined from the earth. Cubic zirconia is also a synthetically created stone, but its crystal structure and chemical composition are completely different.
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Will cubic zirconia last forever?

Cubic zirconia measure 8.5 on the mohs scale so are not as durable or hard wearing as diamonds, so they will not last forever and eventually may will lose some of their sparkle or shine if not cared for correctly.
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How can I make my cubic zirconia shine again?

A good way to clean your cubic zirconia is to use a small soft brush and hot soapy water to remove dirt. Rinse it in warm water and pat dry with a clean cloth. This will restore the cubic zirconia stone to its natural shine and clarity.
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Which is better cubic zirconia or moissanite?

Moissanite has a hardness score of 9.25 and CZ, 8-8.5. This means that Moissanite is harder to a clear extent. As for the “toughness” rating, which would indicate how likely or unlikely the stones are to break, Moissanite really kills it here. It has a toughness rating of 7.6 PSI to 2.4 of Cubic Zirconia.
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Are zircon and zirconia the same thing?

Zircon is made of zirconium silicate, whereas cubic zirconia is made of zirconium oxide. Both of the gemstones are hard to differentiate from each other and are confused as being the same.
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Does CZ sparkle like a diamond?

Does Cubic Zirconia Shine Like a Diamond? No, cubic zirconia does not shine with the same brilliance as a diamond. Diamonds shine with pure white light, while CZ diamonds give off rainbow colors. They are also more prone to becoming dull and scratched over time, and are thus not the best option for daily wear.
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Is CZ better than diamond?

Although cubic zirconia is still durable, it does not compare to the hardness of a diamond; its rating on the Mohs Scale of Hardness is 8.5. However, because it's artificially created in a lab, cubic zirconia is inherently flawless. Diamonds, on the other hand, are very rarely (almost never) flawless.
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How do you tell cubic zirconia from moissanite?

Cubic zirconia has an RI 2.15 – 2.18, which is much lower than moissanite. Although CZ has a good amount of sparkle and brilliance, it is not at the depth of that of a moissanite. CZ can sometimes appear glassy and lacks the fire of diamonds and moissanites. Its sparkle is often described as being more superficial.
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