Gold Stamps On Jewelry. Plumb gold (must be the karat weight stamped or higher). 750 means 18k, 585 means 14k and 375 means 9k.

What does 585 or 583 stamped on jewelry mean? Violating the act can mean forfeiting merchandise, paying monetary penalties, and serving jail time. However, if the clasp on a chain is magnetic but the hallmarks are also called assay or standard marking.
The stamp is an important tool in knowing if your piece is fine jewelry or costume.
Gold Stamps On Jewelry. The stamp 800 on gold jewelry likely means that the piece is old and not from the united states. Plated jewelry should always have gp, gf or plated inside the ring. The stamp is an important tool in knowing if your piece is fine jewelry or costume. 14k white gold medical jewelry charm pendant 19 mm x 16 mm 2.10gr.