375 is 9k gold.
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.
it means it is 18 carat gold ring or 76% pure gold
It means that the ring is made of 18K gold.
Palladium
the stamp shows that the ring is of 14 karat gold piece; to check if it is real or not.
The stamp "585" on a ring means that the ring is made of 14 karat gold, which is equivalent to 58.5% pure gold. The "14k" stamp indicates the gold purity level of the ring, with 14 karat indicating that the ring contains 58.5% gold and 41.5% other metals.
The "355" stamp inside the gold ring likely refers to the gold's purity, meaning it is 355 parts per 1000 gold (or 35.5% pure gold). The ".925" stamp indicates that the ring is also made with sterling silver, which is 92.5% pure silver.
The Stamp YAG Means Gold Coated Silver
I can only think it might be the finger sizeIt sounds more like a hallmark stamp of the maker/company.
The CR stamp on a gold ring indicates that the ring is made of gold that has been alloyed with other metals. It stands for "Carat," which denotes the purity of the gold. A CR stamp could indicate that the gold is 10K, 14K, 18K, etc., depending on the specific proportion of gold in the alloy.
silver