Jade double certificate refers to jade A cargo certificate and jade collection certificate. Although the appraisal certificate is not an ordinary card, it cannot prove the value of jade. The appraisal certificate issued by the national authority has high accuracy in jade appraisal and has legal effect. In case there is something wrong with the certificate, which brings economic losses to consumers, we can also pursue compensation through legal and legal channels, because the current jewelry appraisers are responsible for the appraisal results, so the certificate is also an important consumer protection. The jade collection certificate indicates which jade carving master works, and jade works with master certificates will enhance their value to a certain extent.
If the inspection conclusion column of the appraisal certificate shows jadeite, it proves that the sample is natural jadeite and has not been treated artificially. Consumers can buy and wear with confidence. If the column of certificate inspection conclusion shows jade (treatment), it proves that the sample is jade, but it has undergone unconventional and not widely accepted manual treatment methods. The treatment methods listed in GB/T 16552—20 10 include dyeing, bleaching and filling, and film covering. In the remarks column, the specific treatment methods will be indicated, so as to clearly explain the treatment methods of jadeite to consumers.