Clean Origin Review 2026

Yes. Clean Origin is an established online diamond retailer with lab-grown diamond specialist. 30,000+ loose lab-grown. 100-day returns..

Clean Origin offers 5% commission (90-day cookie — longest for lab-grown) through Direct.

Yes. Clean Origin is exclusively focused on lab-grown diamonds. They do not sell natural mined diamonds. This focus means their entire inventory, expertise, and pricing strategy is optimised for lab-grown — they often have the most competitive lab-grown prices for equivalent specifications.

Clean Origin offers a 100-day money-back guarantee — one of the most generous in the industry. Stones must be in original, unworn condition. Free insured return shipping is provided.

Yes. All Clean Origin lab-grown diamonds are independently certified by IGI (International Gemological Institute), the standard certification body for lab-grown diamonds. Always verify the report number at igiworldwide.org before finalizing a purchase.

Both are strong lab-grown options. Clean Origin tends to have lower prices and a longer return window (100 days vs 30 days). Brilliant Earth has stronger brand recognition, a broader ethical sourcing story, and offers some natural diamonds as well. For pure lab-grown price value, Clean Origin is often the better choice.

Diamond purchases — especially lab-grown for engagement rings — typically involve 2–6 weeks of research before conversion. A 90-day cookie window (the longest available for lab-grown retailers) means Caratpillar receives affiliate credit even if a reader begins research today and converts up to three months later.