First of all, look carefully at whether the shop opening organization that issued the jade jewelry inspection certificate has the right to issue the jade appraisal certificate.
Looking at the jade certificate mainly depends on the description of the jade identification elements. Such as certificate number, inspection conclusion, jadeite gram weight, size, refractive index, density, amplification inspection, etc. CertificateNo./InspectionNo.: You can check whether the purchased goods are consistent with the goods on the certificate. If there is jadeite with code, you can compare it with the code on the certificate.
Certificate number, you can check whether the number on the item and the certificate is consistent (there is also the possibility of inconsistency mentioned above); Generally, jade is written, and some even have a note at the back: A goods (you can't relax when you see it here, but you have to look at the following things). Quality (the weight of an article).
A jade bracelet corresponds to an appraisal certificate, and the copy of the certificate is invalid (even if it is stamped with the official seal); The appraisal certificate is also invalid after being altered or deleted. Weight of jade bracelet: take g (gram) as the unit, accurate to two decimal places.
First of all, the appearance depends on whether the jade photo on the jade identification certificate is consistent with the real thing, and it should be observed from the aspects of workmanship and color. (Jade bracelets should also be checked for cracks). Total mass This is the weight of jadeite, which must be consistent with the certificate.