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The AGA journal turns lab experience into practical guidance for gemologists, buyers, and industry professionals.
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Lab Verified
Diamond KnowledgeBuying a gemstone or a piece of jewellery involves more than purchasing a beautiful object. You are also relying on claims about what the material is,…
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Diamond KnowledgeWe write about gemology the same way we work in the lab: no filler, no vague claims, and no guessing when a scientific test can provide the answer.
Advice that maps directly to lab and retail decisions.
Language chosen to keep technical meaning intact.
Every article ends with a clear path forward.
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When people begin learning about diamonds, one of the first terms they encounter is the 4Cs : Cut, Color, Clarity, and Carat Weight. These four charac…
