What is a diamond? How can ordinary people identify diamonds when they buy diamonds?

Now, whether it is diamond rings, diamond necklaces and other accessories, more and more diamonds are emerging in front of us. For ordinary white people like us, how to identify the quality of diamonds has become a problem. After all, A diamond that cost so much money can't be fake, can it?

The definition of diamond

Diamond is commonly known as diamond". It is also the original body of diamond that we often say. It is a mineral composed of carbon element and is an allotrope of carbon element. Diamond is the hardest substance that occurs naturally in nature. It has a wide range of uses, such as: handicrafts, cutting tools in industry. Graphite can form synthetic diamonds under high temperature and high pressure. It is also a precious gem.

1. The single refractive index of diamonds

The single-refractive property of a diamond is determined by the nature of the diamond. If it is other gemstones or fake diamonds, it is mostly birefringent.

We observe the diamond under a 10x magnifying glass. From the oblique front view, if it is a fake diamond, it is easy to see that the edges and corners have overlapping images, and there are also two bottom lights. The real diamond does not have such overlap. of the image.

Although this method is simple, it requires the help of a magnifying glass tool, so it is necessary to prepare if you use this method to identify true and false.

2. Adsorption of diamonds

Diamonds have a certain adsorption to grease and dirt, that is to say, oil dirt is easily absorbed by diamonds, and diamonds are lipophilic.

Therefore, we can touch the surface of the diamond with our fingers. If the fingers feel sticky, then it is a real diamond. The lipophilicity of diamonds is the result of other gemstones.

No, this method to identify the authenticity of diamonds is relatively simple.

3. Breath test

We can perform a breath test on the diamond to know the authenticity of the diamond. If it is a real diamond, the water vapor we put on the diamond will disappear immediately. If it is a fake diamond, the water vapor we put out will stay on it for a few seconds before disappearing.

4. Water drop test

We can also know the authenticity of a diamond through a simple water drop test. Put a drop of water on a diamond, if the drop of water remains spherical for a long time, then it is a real diamond, if the drop of water we drop spreads out in a short time, then it is a fake diamond.

For us ordinary people, when choosing a diamond ring, we should pay attention to the big-point brand. After all, the big-point brand diamond ring is guaranteed. Although the price is expensive, the quality of the diamond is superior.