People all want to choose some pieces of jewelry to boost their beauty and elegance. Among all the jewelry materials, diamond is always one of their favorites. However, if you have no idea about the basic differences between CZ jewelry and diamond, you may be cheated when choosing them.
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The difference between CZ jewelry and diamonds
2010-08-13 12:46:54
Among all the gemstones in the world, the Cubic Zirconia (CZ) is the closest to the diamond. As a result, some CZ jewelry is sold as a sham of diamond jewelry. Even jewelry professionals may not tell the genuine diamond from the CZ by looking at it. The differences between CZ jewelry and diamonds come in the stone hardness, the stone weight as well as the color and facet.
The hardness of the stone is the first thing you need to consider. It is a common sense that diamond is the hardest stone that has ever been found, with a hardness number of 10. It can be used to cut glass easily. The high quality CZ can also scratch the glass easily, but it is not as hard as diamond. Even the best CZ used in CZ jewelry has a hardness number of about 9 on the hardness scale, still lower than the diamond.
Another difference between diamond and the CZ used in CZ jewelry is the weight of the stone. For cubic zirconia and diamond in the same size, the cubic zirconia is about two times heavier. Therefore, a good method the test the diamond is to buy a cubic zirconia of the dame size and compare the weight of two stones.
At last, diamonds differ from the cubic zirconia in colors and facets. Colorless diamond is rare and very expensive, and most of the diamonds are found in some shade of yellow. However, the cubic zirconia is almost colorless. With the help of loupe, you can find that the facets that bring the brilliance and color to the CZ stone are different from those in diamond. So it is true with the way they project and break the colors of the light.
Despite the similarity in appearance, you can find out the difference between the CZ used in CZ jewelry and the diamond. Knowing these differences will obviously help you buy the genuine diamonds.
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