Everyone will pay attention to its 4C standard when buying diamonds. Generally speaking, the 4C standard of a diamond refers to its grade, so how is the diamond grade divided? There are many brands of jewelry in the market. Which brand should I choose for diamonds? Next, I will give you a brief introduction to how the diamond grade is divided and which brand of diamond is good.

First, how is the diamond grade divided?

1. Generally speaking, colorless series diamonds can be divided into D-Z grades according to their colors, and D-grade diamonds are the best. They are completely colorless and transparent diamonds, which are very rare. E-F diamond is colorless, and only jewelry experts can detect its trace color. G-J diamonds are nearly colorless, while K-Z diamonds are darker. When buying diamonds, you should distinguish between colored diamond and colored white diamonds.

2. The grade of a diamond is also related to its purity. Mainly divided into FL, IF, VVS, VS, SI, I 1, I2, I3. FL has the highest diamond purity, and we can't see any impurities under the magnifying glass of 10 times. However, IF-grade to VVS-grade diamonds can see subtle flaws under the magnifying glass of 10, while SI-grade diamonds can't see impurities with naked eyes, but they are easy to observe under the magnifying glass of 10. Impurities in I 1-I3 diamonds are visible to the naked eye.

3. The grade of diamond is also related to the cutting technology, which is mainly divided into ideal cutting, very good cutting, good cutting, general cutting and poor cutting. The ideal cutter can reflect all the light entering the diamond; A good cutter can reflect most of the diamond light; The cutting union let the light escape and tarnished the diamond. The grade of a diamond depends on its weight. Generally, diamonds with 1 carat are 100, and diamonds with a score of more than 50 are collectible.

Second, which brand of diamonds is good?

1, de beers

De Beers is a world-renowned rough diamond company, whose mining business covers South Africa, Canada and other regions, and the company dominates 40% of the global diamond mining and trade. De Beers diamond jewelry is made of natural diamonds, combined with the world's top technology, and each diamond jewelry reflects its lasting charm.

2. Silk leno

Tiffany jewelry is famous for its diamonds and silver products, and is known as the queen of jewelry. The six-claw inlay method introduced by the company has become the standard of international wedding rings. TH series diamond rings introduced by the company set diamonds in platinum rings, which perfectly interpreted the charming style of diamonds.

Let me sum up: I'm here to introduce how diamonds are classified and which brand of diamonds is good. When choosing diamond products, you need to buy them according to your own economic situation.