Different subordinate departments: NGTC certificate belongs to the national nature of China. GTC certificate belongs to the Jewelry Emerald Jewelry Management Center of the Ministry of Land and Resources.

The work of different departments is different: ngtc certificate is not only the inspection of bare diamonds, but also the inspection of finished jewelry inlaid with diamonds such as diamond bracelets. GTC certificate has been committed to the promotion and popularization of jewelry vocational education and national jewelry and jade standards.

Extended data:

National compulsory training courses

National registered jewelry and jade quality inspector pre-examination training course.

National certified asset appraiser pre-examination training course.

Pre-examination training course for professional skill appraisal of gem inspectors.

Pre-examination training course for professional skill appraisal of diamond inspectors.

Pre-test training course for professional skill appraisal of jewelry salesmen.

Pre-examination training course for professional skill appraisal of precious metal jewelry craftsmen.

References:

Baidu encyclopedia -NGTC certificate

References:

Baidu encyclopedia -GTC