Loose Lab Grown Diamonds

Explore our full selection of certified lab grown diamonds, available to buy online and delivered within the EU. Every diamond is independently certified by IGI or GIA, transparently priced, and physically verified by our in-house gemologist in Sweden before shipping.

Use the filters below to compare diamonds by shape, carat, colour, clarity, and price. All orders are shipped insured from Sweden, with prices inclusive of VAT and a 14-day return policy.

New to lab grown diamonds in Europe? Learn more about certification, VAT, and delivery in our guide to lab grown diamonds in Europe.
Looking to understand grading reports? Read our guide on how to read a diamond certificate or compare IGI vs GIA certified diamonds.
GIA and IGI certified GIA and IGI certified
Expert verification in Sweden Expert verification in Sweden
Delivery within EU – no hidden fees Delivery within EU – no hidden fees

Frequently Asked Questions
Are lab grown diamonds real diamonds?

Yes, they are chemically and optically identical to mined stones.
Are they more affordable?

Yes, usually 50–70 percent less than natural diamonds.
Do they hold certification?

All Carateu stones are certified by either IGI or GIA.

Do you deliver the diamonds from Sweden?

Yes, the diamonds are sent to us in Sweden for a final check by our gemologist, before being sent to you.