It may be true or false. Why do you say that?
It can be said from two points: first, 925 silver ring setting, the cost of silver is very low, tens of dollars, mostly used in cheap jewelry; second, GRA certificate, paper certificate printed in batches, No practical significance.
The moissanite may be real, and domestically produced moissanite costs around a few hundred dollars; it may also be fake moissanite, or fake zircon, which costs tens of dollars.
So to sum up, the moissanite in the live broadcast room is very deep, so be careful if you want to buy it.