Just spitting. Don't take it seriously
If the certificate is true, look at the fiber interwoven structure from the certificate: "Sorry, I really didn't see it clearly. With the last four words, he can only prove that this thing is not a piece of glass or resin, but a natural stone. As for the quality and origin, he didn't write; After talking about stones, let's talk about gold. He said it was pure gold. how much is it? Full feet or a thousand feet? These can be taken out to make a fuss.
However, money is hard to buy and I am willing to buy it. If you really like it, you will get the value of your money! What's the value? Aren't all the rules made by others? For example, diamonds, in addition to being clear and transparent with colored reflections, are the hardest natural objects in the world; Clear and transparent with colorful reflection, which crystal glass can't do it? But diamonds are too expensive to buy with money. I am very happy.