Every region generally has a gold and jewelry appraisal center. Generally, it is the gold and jewelry quality testing center of the provincial quality and technical supervision and testing institute, the gold and jewelry quality testing center of the municipal quality and technical supervision and testing institute, or the jewelry and jade appraisal center. 2. Major gold shops. Usually, larger gold shops have gold appraisal business. 3. Generally, it is free in the goldsmith shop. They have instruments to test. Distinguishing gold by yourself can be distinguished by the following three points: 1. Look at the color. There is a saying that the color of real gold is seven green, eight yellow and nine five red, and gold with different fineness and color is likely to be fake; 2, weighing, real gold feels heavier, fake gold feels lighter; 3, hardness measurement, real gold can be painted with nails, fake gold is harder.