The one upstairs is a bit ordinary ... hello ... this is what I said ... but it will take many years to be qualified to do what you said ... First of all, Craftsmen ... at present, they only go to the factory to study ... Everything in school is relatively basic ... Technology can only be mixed with factory learning ... whether it is metal processing or gem processing, etc ... Now it has been streamlined ... to really learn ... too much ... as you said ... Maybe it is called ... cutting stones in our industry ... Whenever you cut .. diamonds are also called ... ....
I hope it helps you. We are Guangdi Jewelry, and you can come to us if you are interested. SOSO can find us in official website. Now there are several low-priced GIA diamonds for sale!