FC = Fiber Coating
It's an electro-plating that is cheaper than Rhodium, however it changes the finish. But 925 FC is really Sterling, even if it is imprinted instead of stamped.
Your ring is real no matter what is stamped on it.
what does thailand mean stamped in a ring
The letters RSG stamped on a ring means that the ring was preassembled. Any gems in the ring that is stamped RSG have not been certified.
L stamped inside a ring
FC stands for , forged composite
The 916 (also can be 917) indicates the ring is composed of 22K gold. Usually, secondary markings in addition to purity markings on jewelry, indicate the maker or are initials of a previous owner. In this case, the EJI probably stands for "Elegance Jewellery International" - the maker of the ring. The FC is another obscure marking but harder to guess at. If you really want to know about the FC, you can try contacting EJI for that information.
what does ce stamped on the inside of a ring stand for
From what I understand some jewelers stamped in the ring size!
What dose an 6 mean stamped inside a ring
What does 18kHGA mean stamped in a ring
jss on ring
I found that the FC is the hallmark for Francis Clark, a silversmith