![Ring stamp meaning? The inside is stamped with a diamond shape and the letters "STR" (2nd image). I assume STR means this is a sterling silver ring, but am curious what the Ring stamp meaning? The inside is stamped with a diamond shape and the letters "STR" (2nd image). I assume STR means this is a sterling silver ring, but am curious what the](https://i.redd.it/iza6vxljz9y71.jpg)
Ring stamp meaning? The inside is stamped with a diamond shape and the letters "STR" (2nd image). I assume STR means this is a sterling silver ring, but am curious what the
China 925” and a symbol are on the inside of a gold ring (I can't make out) . Is it real gold? The symbol is a hollow diamond with an 'm', or '
![How to know that the identification diamond symbols stamped on jewelry – CDL FINESHINE PRIVATE LIMITED How to know that the identification diamond symbols stamped on jewelry – CDL FINESHINE PRIVATE LIMITED](https://www.cdlfineshine.com/cdn/shop/articles/identification_diamond_symbols_stamped_on_jewelry_medium.jpg?v=1631535403)