If you are seeing AM-G on the inside of a gold diamond ring, it is probably the makers signature. A lot of designer companies will engrave the makers signature on the inside of the jewelry to help identify its worth.
Karats
14KN stamped on the inside of a diamond ring typically means that the ring is made of 14 karat gold with the "N" indicating that it is a natural gold alloy. This stamp signifies the purity of the gold used in the ring.
Heavy Gold Filled..
"RSC" stamped on the inside of a gold and diamond ring may indicate the jeweler or manufacturer responsible for creating the piece. It could be their initials or a company trademark that helps identify the origin of the ring's design and production.
More than likely, the 12 stamped in your ring means that it is 12 karat gold.
what does ev1 stamped on the inside of a marquise cut 14 carat gold diamond ring?
I have a very old gold colored ring with a clear stone that has fs 4 k inside? what does that mean? what could the stone be? It is not a diamond but the Gold is real and looks like my 14 k ring..
GOLD SHELL = Equals fake or gold plate If the GS stamp is inside of a diamond shape it's the makers mark for Gottlieb & Sons.
its only 18k gold plated, not full gold This could be incorrect. If the ring has 18K/PLAT then the ring is 18K gold with some platinum. Probably to hold the diamond.
"RD" stamped inside of a ring typically stands for "Registered Diamond." This indicates that the diamond in the ring has been registered with a specific organization or company, often for certification or authentication purposes. It is a way to verify the authenticity and quality of the diamond in the ring.
it is not gold electroplate it is gold
gold 335