the n means that it was hallmarked in 1811
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
Palladium
It means that the ring is made of 18K gold.
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 Stamp YAG Means Gold Coated Silver
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.
That's a manufacturer stamp
Not
silver