There is no clear boundary for the free identification of jadeite online. Because there are many websites that identify jadeite online for free, but none of them are reliable.
Jade raw materials that have never been opened at all are weighed by kilograms, so the starting price of the auction may be tens, hundreds or even 1 yuan. It is usually dozens of pieces to buy in the store.
It's hard to say, maybe he just asked you to send videos or pictures for remote identification, which is almost free! Because I am not sure whether this person really has professional jade identification skills and experience. If you really want to identify the authenticity of jade, it is recommended to find a professional jewelry identification agency or jade appraiser for formal identification.
It's true. The price of jadeite varies from tens to tens of millions.
It is necessary to check the certificate of jade to see whether it has been appraised by an authoritative organization and whether the jade has a corresponding certificate to prove that it is genuine. Buying jade is a very important thing. You have to choose carefully and check carefully before you can buy real jade. A few hundred yuan of jadeite can be bought, but you need to choose carefully.