What does 925 Italy qgi mean on a rope chain necklace?

925: This indicates that the chain is made of sterling silver, which is an alloy of silver containing at least 92.5% pure silver.

Italy: This stamp indicates that the chain was made in Italy, which is known for its high-quality jewelry craftsmanship.

qgi: This is a quality control mark that indicates that the chain has been independently tested and certified to meet certain quality standards.