With the approval of the Ministry of Geology and Mineral Resources, China Geo University has established 1983 Gemstone Laboratory, 1989 Gemstone Research Institute, 1992 Jewellery Research Institute and 1993 Jewellery Testing Center, which mainly serve the society extensively.
At present, the Gem Laboratory of China Geo University has trained thousands of technical backbones and hundreds of senior appraisers for quality inspection institutions, production, processing and wholesale units all over the country, and has been praised as the "cradle of gem education" at home and abroad. Appraising and consulting hundreds of thousands of pieces of jewelry and jade for the society every year.
Extended data:
World-renowned jewelry appraisal certificate
1、GIA
GIA is a diamond appraisal certificate issued by American Gemological Institute, an internationally renowned diamond appraisal institution. The waist of the diamond has a laser code consistent with the certificate, which can also be found in official website. GIA was founded in Los Angeles 193 1. It founded and put forward the international scoring system.
2、IGI
The International Gemological Institute in Antwerp is the oldest gemological institute. 1975 has established laboratories in new york, Bangkok, Mumbai and Tokyo. The IGI Diamond Report is essentially a statement, which verifies the authenticity of diamonds with the help of a world-recognized system and provides reliable and correct diamond identity and grade.
3, goblins
Goblin-GoblingmLab (Swiss Cooper Gemological Laboratory) is a world-famous identification laboratory in colored gems with a long history. In the identification of gem processing, the identification of origin is in a dominant position.
References:
Baidu Encyclopedia-Jewelry Appraisal Certificate