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3 thoughts on “wholesale jewelry display gift boxes How to distinguish the authenticity of the diamond appraisal certificate?”
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jewelry making supplies wholesale online 1. If the GIA's identification certificate is the most authoritative and most reliable. Each GIA -certified diamond waist is coded on the waist of the GIA. You can see it under the light by the magnifying glass and the certificate is definitely consistent with the certificate.
2, if it is a bare diamond, you can draw a line on the paper, and the table is placed online. If it is a diamond because the diamond refractive index is high, you can't see the line.
3, you can get the local appraisal center to test.
The
(1) The content of the identification certificate. The formats of the certificates issued by different testing units may be different, but the basic content includes is roughly the same. A standard appraisal grading certificate should include the following content: the name of the certificate, the shaping, size, weight, clarity, color, cut and other physical parameter test data of the certificate, briefly evaluate, and attach photos.
(2) The signature of the appraisal personnel (qualification, DGA, GIA, FGA, or HRD), signature and qualifications for reviewer, name and address of the appraisal unit, special seal of appraisal unit, signing date, etc. Some advanced laboratories at home and abroad have also attached diamond zooming photos. As long as you understand the content of the identification certificate, you can quickly distinguish the authenticity!
(3) The test level of China is actually much higher than many people think, fully reaching the international first -class level, and even higher than the inspection level of some foreign laboratories. If it is not to buy diamonds overseas and buy diamond accessories in China, it can trust the diamond certification of the National Jewelry and Jade Quality Supervision and Inspection Center of China.
(4) The current trusted authoritative certificate is divided into the "Big 4C" certificate and the "Little 4C" certificate. Species test; the "Little 4C" certificate is used for diamond certification below 1 carat, which has the certification of basic projects.
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wholesale shoes and jewelry 00:00 / 00: 3070% shortcut keys to describe space: Play / pause ESC: Exit full screen ↑: increase volume 10% ↓: decreases by 10% →: Single fast forward 5 seconds studio Here you can drag no longer appear in the player settings to reopen the small window shortcut key description