What does kn stamped on jewellery mean?

The "kn" stamp on jewelry typically indicates that the piece is made of "karat gold." Karat is a measure of the purity of gold, with 24 karat being the purest form. Therefore, "kn" could signify that the jewelry is made of gold with a certain karat purity level, such as 14k or 18k. It is essential to check the specific karat value associated with the "kn" stamp to determine the exact gold content of the jewelry.