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A federal ban on intoxicating hemp products (THCA flower, vapes, gummies) takes effect November 12, 2026. What it means →

THCAVERDICT

Glossary · Concentrates

THCA Diamonds

THCA diamonds are crystals of nearly pure tetrahydrocannabinolic acid — commonly 95%+ THCA — grown out of extract and sold alone or in terpene sauce. Heated, they convert to THC at that same overwhelming concentration, which makes diamonds the most potent product category this site covers and emphatically not a beginner format. Verification is refreshingly simple: a crystal claiming 97% THCA either shows a COA that says so or it does not. Note the legal irony — near-pure THCA reads as “hemp” under a Δ9-only test, which is exactly the kind of interpretation the November 2026 federal ban shuts down.

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