Because the certificate time is the authentication time.

Choose formal channels to buy. Consumers should try to buy jewelry in large shopping malls and jewelry and jade shops with standardized management, and choose formal and reputable e-commerce websites for online shopping.

Consumers should be wary of tourist attractions selling fake and shoddy jewelry to consumers in various ways, and don't easily believe and buy online jewelry products with low prices.

Check the appraisal certificate carefully. Consumers Association reminds that when buying jewelry, the attached appraisal certificate is important information to help consumers accurately understand the quality of gems.

On the appraisal certificate provided by the merchant, the more detailed the information reflecting the value of the gem, the more it can explain the integrity and professional level of its gem appraisal.