Question about markings

Aug 11, 2006
Hi, everybody and Merry Christmas. I have a question.... my mom got me a pretty bracelet with the "S925F" engraved into the inner backside of it. I was just wondering does that mean that the metal isn't gold? I am just worried because my mom said that it's gold and I am allergic to silver. Also, I am afraid that she might have been cheated out of her money again since she doesn't really pay attention to things like gold plated and gold filled (happened a couple times already). Please help me ! Thanks very much!