Diamelys Journal

Alliance et bague de fiançailles : comment les assortir sans se tromper

Diamelys Journal

Wedding ring and engagement ring: how to match them perfectly

on Sep 09 2026
Metal, profile, width, wearing order: all the tips for matching your wedding ring and your lab-grown diamond or synthetic diamond engagement ring.
Traçabilité du diamant de laboratoire : pourquoi le numéro de certificat IGI est essentiel

Diamelys Journal

Laboratory-grown diamond traceability: why the IGI certificate number is essential

on Sep 02 2026
IGI report number, laser inscription, online verification: how traceability guarantees the authenticity of your lab-grown or synthetic diamond.
Or blanc, or jaune ou or rose : quel métal choisir pour votre bague en diamant de laboratoire

Diamelys Journal

White, yellow, or rose gold: which metal to choose for your lab-grown diamond ring

on Aug 26 2026
White gold, yellow gold, or rose gold: how to choose the metal for your IGI lab-grown or synthetic diamond ring. Diamelys complete guide.
Demande en mariage : comment connaître la taille de doigt de votre future fiancée sans lui dévoiler la surprise

Diamelys Journal

Marriage proposal: how to find out your future fiancée's ring size without spoiling the surprise

on Aug 19 2026
How to find your future fiancée’s ring size without spoiling the surprise? Tips, French size chart, and advice for your lab-grown diamond.
Comment choisir la forme de diamant pour une bague de fiançailles

Diamelys Journal

How to choose a diamond shape for an engagement ring

on Aug 12 2026
Round, oval, emerald, cushion, pear: how to choose the ideal lab-grown diamond shape for your engagement ring. Complete Diamelys guide.
Acheter un diamant de laboratoire en ligne en toute confiance

Diamelys Journal

Buy a lab-grown diamond online with confidence

on Aug 05 2026
IGI certification, return policy, transparent prices: everything you need to check before buying a lab-grown or synthetic diamond online. Diamelys Guide.
Comment vérifier l'authenticité d'un diamant de laboratoire

Diamelys Journal

How to verify the authenticity of a lab-grown diamond

on Jul 29 2026
IGI certificate, report number, laser inscription: all the checks to authenticate your synthetic or lab-grown diamond before purchase.
Avantages et inconvénients du diamant de laboratoire

Diamelys Journal

Pros and Cons of Lab-Grown Diamonds

on Jul 22 2026
Most brands that sell lab-grown diamonds only talk about their advantages. At Diamelys, we prefer to give you a complete picture — including the limitations. Because a well-informed purchase is always a better purchase. Advantages A significantly more accessible priceThis is the most tangible advantage. For the same quality — same 4Cs, same IGI certification — a lab-grown diamond costs between 40% and 70% less than a natural diamond. In concrete terms, this means: access to a size or quality that your budget would not allow for natural diamonds. Identical quality and brillianceA lab-grown diamond is a real diamond. Same chemical composition, same hardness, same brilliance. With identical 4Cs, no one — not even a gemologist — can tell the difference with the naked eye. IGI certification confirms this with the same criteria as for a natural diamond. Total traceabilityEach Diamelys diamond comes with an IGI certificate with an online verifiable report number. You know exactly what you're buying: weight, color, clarity, cut quality. No ambiguity. Access to rare sizes and colorsIn natural diamonds, a 5-carat D-color diamond or a quality pink diamond represents considerable budgets, or are simply impossible to find. In the lab, these stones become accessible — opening up creative possibilities that traditional jewelry usually reserves for the largest budgets. Consistency with modern valuesNo mining, no opaque supply chain, no risk of conflict diamonds. For those for whom these issues matter, the lab-grown diamond offers a clear and verifiable answer. Limitations Low resale valueThis is the most frequently cited limitation. It's true that the secondary market for lab-grown diamonds is still young and not well structured. Social perception can still varyIn some circles, natural diamonds remain a strong marker. Some families, cultures, or generations attach symbolic importance to the geological origin of the diamond. This is not irrational — it's a matter of values. If this context concerns you, it's something to consider. The market is evolving rapidlyThe prices of lab-grown diamonds have changed in recent years and will likely continue to do so. This is not a problem for someone buying a piece of jewelry to wear. It is to be considered if one attaches importance to heritage value. Our position At Diamelys, we believe that transparency is the best form of trust. The lab-grown diamond is not perfect for everyone — but for those looking for a real certified diamond that is beautiful, durable, and accessible, it is currently the best option on the market. The advantages far outweigh the limitations — provided you know exactly what you're buying. Frequently asked questions Is the main drawback really the resale value?This is the most frequently cited limitation. But it should be remembered that natural diamonds also depreciate sharply on resale. The real question is: are you buying a piece of jewelry or a financial investment? Will a lab-grown diamond still be recognized in the long term?Yes. It is a true diamond in the gemmological sense. It will be certifiable, identifiable, and transferable exactly like a natural diamond. Its lab origin will never erase its physical properties. Will my loved ones see that it's a lab-grown diamond?No, not with the naked eye. If you choose to mention it, that's your decision. Visually, it is indistinguishable from a natural diamond of the same quality. Why does Diamelys also talk about the disadvantages?Because we believe that a well-informed customer makes a better purchase — and remains satisfied in the long term. Do you have questions about a particular diamond? Our team will answer you →
Diamant de synthèse ou diamant naturel : quelles sont les vraies différences ?

Diamelys Journal

Lab-grown diamond vs. natural diamond: what are the real differences?

on Jul 01 2026
Composition, price, brilliance, resale, ethics: all the differences between lab-grown and natural diamonds. The honest guide to choosing in 2026.