Because it's cheap

There are a dime a dozen such small brand jewelry stores, and there are too many streets and alleys in the country.

You really can't tell which store it belongs to?

It depends on whether there is a standardized test certificate. Certificates are used as authenticity detection certificates in the industry.

Certificates that can generally be audited are still relatively reliable.

Take a look at it for you. No problem. Let's go to the picture.

FYI