Platinum does not have s925, s is the code name of silver, the full name is sterling. s925 refers to silver jewelry with a purity of 92.5% by blending 7.5% of other metals into pure silver. Platinum is made of platinum, its code name is pt, common models are pt950, pt990.
The difference between white gold jewelry and silver (code s) jewelry
3, white gold is not easy to oxidize, silver is easy to oxidize into black.
4, white gold color is gray, silver is white.
5, white gold is not discolored after the fire cooling, silver after heating or fire, cooling down the color is red or black red.