【How-to】What does 325 mean on a silver ring

The most common marks or trademark stamps are used to identify things like: Metals, carat weights, manufacturer, tradeMarks, jeweler, or designer. … If you look inside the shank of your ring (the band on the bottom or side), you’ll usually see the karat stamp. More than likely it will be shown as 10k, 14k, 18k or Plat.