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What are the commonly used diamond appraisal certificates in China?
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1, NGTC diamond appraisal certificate
China has internationally recognized diamond certificates, and naturally there are also very domestic diamond certificates, among which NGTC diamond certificate is one. Although NGTC certificate is not widely recognized internationally, it is unique in China. The NGTC certificate is issued by the National Center for Quality Supervision and Inspection of Jewelry and Jade, and is used for testing jewelry and jade in China. Although the diamond grading system used in the national inspection certificate also follows international standards, in some aspects,
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2.HRD diamond appraisal certificate
HRD Diamond Certificate is issued by Belgian Diamond High Council, which is headquartered in Antwerp, Belgium. Antwerp, Belgium is the world diamond center, where a large number of diamond technicians gather. HRD Belgian Diamond High Council is an officially recognized Belgian diamond trading industry, so the diamond certificate issued by HRD also enjoys a very good reputation internationally.
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3.GIA diamond appraisal certificate
What are the commonly used diamond certificates in China? Speaking of diamond appraisal certificate, we have to mention GIA certificate issued by Gemological Institute of the United States, which is not only recognized domestically, but also widely used internationally. As a gem in the world, GIA diamond appraisal is famous for its impartiality. GIA Gemological Institute of America is not only the founder of the diamond 4C system, but also a non-profit organization, so GIA diamond certificate is also recognized in China.
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4.IGI diamond appraisal certificate
IGI International Gemological Institute is also located in Antwerp, Belgium, the diamond capital of the world. People pay attention to it because it is an ancient gemology institute in the world, and its diamond certificates are obtained all over the world, so the IGI diamond appraisal certificate is also widely recognized in China, but the IGI certificate in China is not very common, and the most common international diamond certificate in China is GIA's certificate.
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In addition to the above four commonly used diamond identification certificates in China, what other well-known diamond identification certificates are there in the world? AGS diamond grade certificate of American Gemological Society and EGL diamond grade certificate of European Gemological Society are both highly credible diamond certificates. Dr. Diamond Ring provides NGTC national inspection certificate and GIA diamond grade certificate.