Precious Metals

1 article

A jeweler's loupe magnifying a fine gold ring, revealing intricate details and a subtle hallmark, emphasizing the importance of close examination for authenticity.

Fine Jewelry Hallmarks: Understanding Their Purpose and Pitfalls

A piece of jewelry stamped '18K' might not actually contain 75% pure gold, due to potential wear, historical manufacturing variations, or even forgery, according to Elementalanalysis .

Simone Dubois·August 25, 2026