Positives
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Product variety: Offers hundreds of SKUs across CBD and other cannabinoid categories (Delta-8, HHC, etc.) .
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Lab testing & guarantees: Publishes third-party lab reports, offers lengthy returns .
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Customer satisfaction: Many Trustpilot users rate products as “effective for pain/anxiety,” with “fast shipping” and “helpful support”.
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Responsive support team: BBB and Trustpilot records show consistent replies and problem resolution
Concerns
🧪 Synthetic Cannabinoids in Some Vape Products
A 2018 VCU forensic study found that select Diamond CBD vapes contained 5F-ADB (an illegal synthetic) and DXM, linked to serious side effects including psychosis.
🛑 Product Safety & Labeling Issues
Clinical testing raised concerns: mislabeling of cannabinoids (e.g., melatonin substitution), undisclosed synthetics, and inconsistent potency.
⚠️ Quality Control Complaints
Customers report delayed shipments, order mix-ups, canceled orders, and suspect billing practices.
👥 Negative Reviews & Legal Action
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BBB has documented 19 complaints in 3 years, some still open.
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Reddit and consumer watchdogs urge caution, citing a class-action lawsuit over mislabeled CBD content.
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Mixed Trustpilot score: 78% positive but ~16% 1-star with unresolved issues
Final Verdict
Diamond CBD offers an extensive product lineup with transparent lab practices and helpful customer service—but also carries serious red flags related to:
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Potential contamination with synthetic drugs (e.g., 5F-ADB, DXM) in vape products.
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Mislabeling and potency inconsistencies in various SKUs.
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Mixed customer experiences, including shipping and billing complaints.
Tips If You’re Considering Them
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Prefer non-vape items (e.g., gummies, oils) with clearly labeled lab results.
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Verify recent batch tests to ensure no synthetic adulterants.
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Buy via credit card or PayPal—enables dispute options.
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Monitor forums like Reddit and FDA warnings for ongoing updates.
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Start small if trying a new product or blend, especially cannabinoids beyond CBD.
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