The "TRG" stamped next to "18k" on the inside of a gold ring typically indicates the manufacturer or designer of the jewelry. This stamp could represent the initials of the company or an individual responsible for creating the piece. Additionally, the "18k" indicates that the ring is made of 18-karat gold, which contains 75% pure gold and 25% other metals. Always consider consulting a jeweler for verification of the markings.
i have a gold ring with ING stamped on the inside , what does that mean ?
A gold ring that is stamped with 10 K F means that the ring is 10 karats. The F means that the ring is considered fine jewelry.
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.
375 is 9ct gold.
10KZRW
Gold plated
More than likely, the 12 stamped in your ring means that it is 12 karat gold.
A ring to be considered gold must be 10k or above and stamped inside the band of the ring 10k, 14k, 18k. If it isn't stamped more than likely it is not real gold. If in doubt about the value of a ring take it to a jeweler who can tell you about it.
L stamped inside a ring
K10 stamped inside a ring indicates that the ring is made of 10 karat gold. Karat (K) is a measure of the purity of gold, with higher karat numbers indicating higher purity levels. A K10 marking means the gold in the ring is 41.7% pure.
"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.
18 karat gold electroplate