2. The appraisal of jadeite in Guangzhou is a de-authoritative jewelry and jade appraisal institution. It is appraised by instruments, and the appraisal certificate with definite conclusion is obtained through density, refractive index, infrared spectrum analysis and amplification inspection.
3. The cost of making an appraisal certificate for an emerald bracelet is not high. As the source of the jade market, the cost of a single appraisal is about tens of yuan. Of course, if the location is not in the source market of jade, then the cost of jade bracelet appraisal is definitely much higher, and the appraisal fee of several hundred yuan is also common.