If you are planning to buy a diamond, then buying a loose diamond is a very good choice, because it allows you to choose different qualities to ensure excellent quality. However, when buying loose diamonds, some important rules must be understood first. If you are planning to buy a diamond, then buying a loose diamond is a very good choice, because it allows you to choose different qualities to ensure Excellent quality. However, when buying loose diamonds, some important rules must be understood first, so that you can buy diamonds of high quality and low price. Rule 1: Ask for a certificate All the characteristics of the loose diamond will be listed on the certificate. Therefore, it is best to choose loose diamonds certified by GIA or other authorities when buying. The certificate is an important basis for proving the quality of loose diamonds issued by an independent third-party organization. Without the certificate, you will not be able to confirm the color, clarity, cut and carat weight of the loose diamond you have purchased. Rule 2: Check the laser code All certified loose diamonds will have a unique ID letter and number engraved on the diamond. The unique code will be the same as the code of the certificate. You can use this code to confirm whether the certificate really exists on the Internet. Rule 3: Compare prices All brand jewelry stores in the area have similar prices, which can ensure that you find similar diamonds. For loose diamonds, small changes in color and clarity will have a huge impact on diamond prices. You can check the price of similar diamonds online to determine whether the price you choose is higher or equal to the market price. Rule 4: Checking loose diamonds Checking loose diamonds is the most important step in buying loose diamonds. The author tells everyone to use a magnifying glass to check the surface of the diamond for damage and internal flaws, and check for any cracks in the diamond. Finally choose everyone, buy loose diamonds, you must consult the jeweler’s return policy to ensure that if you are not satisfied with the diamond, you can return the diamond and get your money back. The above is the author's summary of the loose diamond information for you. The information comes from the Internet. If there is anything wrong, please understand. If you need to customize the loose diamond setting, please visit the official website of jewelry setting. Jewelry setting will serve you wholeheartedly!