AGL Editorial

Gemology, certified

Expert insights on gemstone identification, certification standards, treatment detection, and the global gem trade — written by the team at AGL.

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gemology

Welcome to the AGL Blog — Gemstone Insights from Antwerp

The AGL editorial team launches a new publication for gemstone buyers, dealers, and enthusiasts. Expect rigorous identification guides, treatment-detection tuto...

May 20, 2026 4 min read

A certificate is only as valuable as the buyer's understanding of what it says.

— AGL Editorial

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