The identification marks of CMA, CAL and CNAS on the appraisal certificate reflect the legitimacy and authority of the institution. Therefore, it is one of the most important ways to distinguish the authenticity of the certificate by seeing whether there are these three marks on the certificate.
These expressions are generally found on the front of the certificate or official website's introduction. You can check it.
However, the certificate refers to natural Huang Longyu. Generally, A goods are used to describe jadeite, and other jadeites are rarely used.
As a professional jewelry appraiser, it is impossible to give a definite appraisal conclusion only by pictures. I suggest:
First, check the authenticity of the certificate through authoritative appraisal and official website inquiry.
Ensure that the certificate matches the gemstone (appearance, such as weight, size, etc.). )