950 Platinum: The percentage of platinum is not less than 950, and the mark "Platinum 950" or "Pt950" indicates that the percentage of platinum in jewelry is 95%.
900 Platinum: The percentage of platinum is not less than 900, and the mark "Platinum 900" or "Pt900" indicates that the percentage of platinum in jewelry is 90%.
PT950 is generally made by big brand enterprises, such as Chow Tai Fook and Zhou Shengsheng. PT990 is made by private enterprises, and its content is higher than that of PT950, in grams. So in a way, the counter is right. In fact, you can buy anything you want, as long as it looks good and you like it.