What is Cubic Zirconia (CZ)? Evaluation criteria and significance of Cz stones in the jewelry industry

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80% of jewelry is attached with Cubic Zirconia stone, so what is Cubic Zirconia stone and why is it so popular in the jewelry world. With DHK Jewelry, discover interesting things about this rock with sparkling beauty that is not inferior to this diamond!

What is Cubic Zirconia?

Cucbic Zirconia is abbreviated as Cz or ECz and they are also known as “fake diamond”. The reason, they are called so because of possessing beauty and optical, physical, chemical properties … not inferior to natural diamonds. In essence, they are a form of artificial crystals created by the purification of a mixture with high purity zirconium oxide powder at high temperature and pressure.

The production of Cz rock (Fianite rock) was first developed in 1937 at the Lebedev Institute Russian Academy of Sciences.

So, Cubic Zirconia is a synthetic stone with the main components of ZrO2, stable powder, magnesium and calcium. The quantity of each ingredient is carefully controlled to create a synthetic stone of an outstanding quality comparable to that of diamond.

Cz rocks have a hardness of 8.5 / 10 on the Mod hardness scale, they are very hard, hard to scratch and have perfect optics.

It is very difficult to tell the difference between a diamond and a Cz stone with only the naked eye. So many business units have passed the consumer’s eyes to reap benefits from these “fake” diamonds.

Is Cubic Zirconia in Color?

Usually a Cz stone will have no color, but they may have some metal oxides added to produce a wide range of colors. This job is quite difficult and requires high precision. Therefore, Cubic Zirconia has a variety of eye-catching colors.

Is Cubic Zirconia in Color
Is Cubic Zirconia in Color

What is Cz rock rating?

Similar to the diamond valuation standards, Cz stones also use the 4C Standard.

4C Standards will score 1 Cz stone based on 4 physical properties: Color, transparency (Clarity), weight (carat) and cutting technique.

Color: The color of a stone will be evaluated on a scale from D to Z. The Cz stones in the D bar are usually colorless, in a fever like water droplets and have the highest value. However, the value of the Cz stones starts to increase as they reach the “fancy color” threshold. These colored gems are an exception from the D-Z scale value as this color is extremely rare and very beloved.

The only way to determine the color of a Cz is to place them next to a standard Cz stone.

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