Pt950 refers to jewelry containing 95% platinum and other 5% precious metals, and refers to the white metal base part of a diamond ring. Diamonds have their own certificates and detailed appraisal grades, and the prices of real diamonds of different grades vary greatly. As for fake diamonds, many of them are made of synthetic cubic zirconia. Because of its similar appearance and low price, it is often used as an imitation of diamonds, and the cost price is only a few cents. It's usually disgusting. Television advertising costs hundreds of dollars. This is the diamond. If you want to buy diamond ornaments, you must go to a regular store, and you must indicate all items with bills and vouchers. It is best to have a certificate from an internationally recognized organization. If there are fakes, you can claim accordingly.