Hallmarks play a vital role in ensuring the quality and authenticity of an 18k gold piece of jewelry. Learn how to identify them and understand their meaning.

1. What is a punch?

A hallmark is a mark affixed to a piece of jewelry to indicate:
• The purity of the metal: In France, 18 carat gold corresponds to 750/1000 pure gold.
• Origin and authenticity: Identified by a master’s or guarantee mark.

2. French hallmarks for 18 carat gold
• Title hallmark: The eagle (18 carat gold) is mandatory on jewelry made in France.
• Master’s mark: Signature of the craftsman or jewelry house, generally in the shape of a diamond.

3. Where can I find the hallmarks on a piece of jewelry?
• On the clasps of necklaces and bracelets.
• Inside the rings for the rings.
• On the back of the pins.

4. How to interpret foreign hallmarks?

Each country uses its own symbols:
• United Kingdom: Crown or numerals (750 for 18k gold).
• Italy: A star followed by numbers.

Conclusion: Hallmarks are your best allies to verify the authenticity of an 18-karat gold jewel. Take the time to examine them to make an informed purchase and avoid counterfeits.