China Geo University (Beijing) Jewelry College,

Department of Earth and Space Sciences, Peking University,

National jewelry quality supervision and inspection center,

Beijing gaode jewelry appraisal institute,

Zhonghengyu assets evaluation co., ltd

Peking University Jewelry Appraisal Center? Land? Address? Beijing Haidian Peking University Geoscience Building?

The two most authoritative appraisal institutions in Beijing are the National Gem Appraisal Center under the former Ministry of Geology and Mineral Resources and the Beijing Gaode Jewelry Appraisal Institute under the former Ministry of Foreign Trade and Economic Cooperation?

Find one near you, the price is 15, and Dora can get a discount. My certificate is 10 yuan.