Collectors

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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