What does 228 stand for when stamped on jewelery?

The number "228" stamped on jewelry typically indicates the purity of the metal, specifically referring to 22.8 karats of gold. This means that the jewelry is approximately 95.83% pure gold, with the remaining percentage consisting of other metals or alloys. Such stamps are part of quality assurance, helping consumers identify the authenticity and value of the piece. Always check for additional markings to confirm the metal's composition and quality.