Certificates are not the basis. These data only determine what the material of jade is, and are not the basis for valuation.
In the process of identification, several appraisers will use instruments to test respectively, and then give the results of comprehensive evaluation. There are many kinds of data on the common jewelry appraisal certificate in the market, including weight, color, density, refractive index and so on. And these data only determine what the material of the gem is, not the basis for valuation.
At present, the domestic jade market is in a stage of steady development, and the quality is uneven. There are millions of jade bracelets and tens of dollars of jade craft gifts. Generally speaking, the investment price of ordinary jadeite is not high, and only high-grade jadeite can have more room for appreciation, but there are very few jadeite of collection level. How to choose a collection from a dazzling array of jade articles requires money and time experience.
In the process of identification, several appraisers will use instruments to test respectively, and then give the results of comprehensive evaluation. There are many kinds of data on the common jewelry appraisal certificate in the market, including weight, color, density, refractive index and so on. And these data only determine what the material of the gem is, not the basis for valuation.