Probably a jewelers mark or brand. It is unlikely to be a measure of the metal.
ONE CARROT SOLITARE
1 karat
PLAT engraved on the inside of the ring indicates that the ring is made of Platinum.
Sterling silver
My ring has the same thing engraved on it so I decided to call the store where I bought it from to get my question answered. What the store said is "the 10K represents the purity of the rings metal and the sp is the manufactures initials. Sometimes they put their initials on the jewelry."
There is a jewelry maker-Fairy Tale Jewelers-FTJ...10K means almost half the weight of the piece is gold.
1 karat
All rings can be engraved. Consult with your jeweler to see what they can do for you.
TJC 10 k ring
PLAT engraved on the inside of the ring indicates that the ring is made of Platinum.
10 k
What does CI mean on a ring
You can get your rings engraved at a jewelry store. They should be willing to do that for a reasonable price, depending on what material your ring is.
you should have " be true to yourself" engraved in it so you know that you love yourself and you wouldn't put yourself out there for guys and pervs to have!
tomb stone and ring class ring marrige etc.
the bgg probably stands for the size of the ring
What does 925 inside a silver ring mean
Love..