How to verify the authenticity of a diamond certificate?

After many people buy a diamond they love, they worry about whether it is a real diamond or not. Jewelry merchants will issue a diamond certificate. However, the diamond certificate may also contain fraudulent elements. How to identify the authenticity of the diamond certificate? Next, the author tells everyone: the diamond certificate, which can also be called the diamond grading report (DIAMONDGRADINGREPORT), the diamond quality guarantee (DIAMONDQUALITYREPORT), is based on the 4C standard for diamonds. It is caused by many jewelry experts who have bought their favorite diamonds. I don’t know if it’s a real diamond. Jewelry merchants will issue diamond certificates. However, diamond certificates may also be fraudulent. So how do diamond certificates identify authenticity? Next, the author tells everyone: 　　Diamond certificate, also called DIAMONDGRADINGREPORT, DIAMONDQUALITYREPORT, is based on the 4C standard for diamonds, and is strictly graded by jewelry experts in a specific environment. The standard is a report formed by carefully observing and testing the diamond. Among them, the diamond is placed under a ten times magnifying glass to analyze its size, clarity, cut, polish, symmetry and other characteristics is a very important link. In addition, it also includes determining the color level of the diamond and fluorescence detection.　　　　How to verify the authenticity of the diamond certificate?　　　　 1. According to the certificate number and diamond carat size, go to the official website of the corresponding testing agency to check the certificate information.　　　　 The official website address will be printed on the back of each certificate. If not, you can find it on Baidu. 2. Check whether the girdle laser marking number of the diamond matched with the certificate is consistent with the certificate (this step is suitable for laser marking diamonds) 　　　　 When buying GIA or IGI diamonds with laser markings, please guide and assist you in using them correctly In a simple and convenient way, use professional 10x magnifying glass, professional diamond lamp, diamond table and other tools to verify this laser mark with your own eyes. 3. Check whether the defect location of the diamond is consistent with the certificate mark (this step is suitable for a large diamond certificate without laser marking) 　　　　 buy any diamond with an international certificate, there is a clear defect location map on the certificate, when you are not sure whether the location of the defect When it is consistent with the certificate, it is recommended that you review it with a third-party appraisal agency.　　　　 4. Check whether the official website certificate number is consistent with the laser mark, and use a special electronic scale to verify the weight of the diamond.　　　　 diamonds with less than 30 points generally do not have a special GIA certificate. Because of different diamond suppliers, diamonds with 30 points or more in the department may not have a laser number. The certificate of some diamond products is not a certificate of a single diamond, but a certificate of the finished product.　　　　 If it is a newly processed diamond, its certificate may not be found within three days. It does not mean that this is a fake certificate, but because the information of the testing center has not been updated in time (this rarely happens).　　　　 The above is the author's summary of the information about the diamond certificate for you. The information comes from the Internet. If there is anything wrong, please understand. If you need knowledge and understanding of diamond rings, please pay attention to jewelry setting. Jewelry setting is waiting for your inquiry!