Pros and Cons of Lab-Grown Diamonds
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 price
This 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 brilliance
A 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 traceability
Each 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 colors
In 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 values
No 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 value
This 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 vary
In 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 rapidly
The 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 →
