1. Yes. In addition to its own value, the cutting of a gem is also very important, that is, the angle of cutting, modeling, grinding and polishing will affect its value, and so will the setting, such as the secret setting of Van Cleef & Arpels.

2. Know a little. Because you have to communicate with the master after design, some design styles can't be completed by the master, or you will be required to change the design drawings considering the cost, so you know something about the master and the production.

3. Some companies are engaged in the wholesale of jewelry rough stones. Go buy it. Look up a lot of rough stones on the internet.

4. Just like the emerald red treasure in Myanmar and the white jade in Shandong, Xinjiang, China, it also produces inferior sapphires and diamonds made in South Africa.

You can buy a bazaar jewelry to see. There is 20 yuan on it, which is not bad.

6. The gap is that one is naturally dug out of the ground, and the other is made in the laboratory, which is not necessarily synthetic. For example, Swarovski crystal is a synthetic crystal, but the price is not lower than that of rock crystal. Depends on what stone it is! ! Diamonds are used to observe whether there is a ghost of faceted edges with a ten-fold magnifying glass. . Let's see if we can show the line ~ and Lanhongbao has to use instruments to see its absorption spectrum! ! !

Are you majoring in this?

You can sit in on the lectures given by professors from Jewellery College of China Geo University. You can take theoretical courses for free! If you are interested, you can sign up for a class and get a certificate.