Is this from your diamond certificate? You can check whether there is a number. Diamonds are graded. The price is different, but it's not much different. If you like this diamond ring, you can also buy a bare diamond and go to the processing zone to make a ring. This will be cheaper. If you want to be in Beijing, you can visit Xidan. 109 wedding building. Jewelry hall on the fourth floor.

I can help you. Ha ha.