Peking University Gem Appraisal Center is the first jewelry testing and appraisal unit in China to obtain the laboratory accreditation certificate of China National Accreditation Committee for Conformity Assessment and the first batch of measurement certification qualification certificates of China National Certification and Accreditation Administration (1994).
Peking University Gem Appraisal Center is an independent business organization, whose purpose is to provide authoritative, scientific, accurate and fair quality services for jewelry inspection and appraisal.
The business scope of extended materials includes: diamonds, colored gems (rubies, sapphires, emeralds, emeralds, aquamarine, tourmalines, crystals, etc. ), jade (jadeite, opal, nephrite, jadeite, turquoise, lapis lazuli, bloodstone, tianhuang, etc. ) and organic gems (pearls, amber, etc. ).
In addition to its headquarters in the Geoscience Building of Peking University, the center also has branches, among which Panjiayuan Sub-center and Hongqiao Market Sub-center of Gem Appraisal Center of Peking University are relatively large in scale and fully equipped.
Baidu encyclopedia-Peking university gem identification center