If you want to buy a 1 carat loose diamond, it is generally at least about 30 thousand, and most of them are in the shape of 30 thousand to 50 thousand. If the color, clarity and cut are excellent, it can be more than 50 thousand.

Where can I go for identification after buying it? There are six jewelry testing institutions certified by the State Bureau of Quality and Technical Supervision in Beijing, namely National Jewelry Appraisal Center, National Jewelry Appraisal Center, Gemological Appraisal Center of Peking University, Gaode Gemological Appraisal Institute, Gemological Appraisal Center of China Geo University and Gemological Appraisal Center of China Gemological Association.