Lab Grown Diamonds
Do Lab Grown Diamonds Hold Their Value?
No. We sell them, and the answer is still no.
Written by the Mapple Gems workshop, Surat Β· Updated 22 August 2026
Short answer
No, and it is not close. There is no established second-hand market for lab grown diamonds, and because production prices fell steeply from 2020 to 2024, any stone you resell competes against cheaper new production of the same specification. The gold in a piece has a real floor β scrap value by weight and karat. The stone is where the loss sits. Buy a lab grown diamond because you want to wear it, not as a store of value. The same is true of moissanite, and increasingly of mined diamonds too.
This is the question we get asked least often and should be asked most often. It is also the one where a seller has the strongest incentive to be vague. So here it is directly.
Why the value does not hold
Three things work against resale, and they compound.
- Production cost keeps falling. Growing capacity expanded enormously and prices fell steeply between 2020 and 2024 before flattening near production cost. A stone bought three years ago competes with a cheaper new one today.
- Supply is not constrained. The entire resale logic of mined diamonds rested on scarcity, real or managed. A lab grown stone can be made to order in weeks, so scarcity does not exist as a concept.
- There is no buyer infrastructure. Pawnbrokers, jewellers and auction houses built their processes around mined stones. Most will either decline a lab grown stone or offer a nominal figure, because they have no reliable onward market.
What actually retains value in a piece of jewellery
| Component | Resale reality |
|---|---|
| Gold | Real floor. Scrap value by weight and karat, quoted daily on a public market. |
| Platinum | Similar, though a thinner buying market. |
| Sterling silver | A floor, but a low one β often less than the labour that went into the piece. |
| Lab grown diamond | Little to none. |
| Moissanite | Effectively none. |
| Mined diamond | A market exists, but resale typically returns a fraction of retail. |
| Craftsmanship | Almost nothing, unless the maker is a recognised name. |
The comparison people forget to make. Mined diamonds are frequently described as holding value, but the working figure most owners discover is that a resale returns a fraction of what was paid at retail β because the original price included a retail margin that no second-hand buyer will pay again. So the honest framing is not βlab grown loses value, mined holds itβ. It is that almost all jewellery is a poor financial instrument, and lab grown is simply more obvious about it. If you would not buy a sofa expecting to resell it, apply the same standard here.
What about buy-back and upgrade programmes?
Some sellers offer trade-in or lifetime upgrade schemes. These can be genuinely useful, but read what they actually promise.
An upgrade programme typically gives you credit against a more expensive piece from the same seller β often requiring you to spend a multiple of the original. That is a loyalty mechanism, not a resale market. It has value if you intended to upgrade with that seller anyway, and none if you did not.
A cash buy-back at a stated percentage is a stronger promise, but it is only as good as the company still existing when you use it. Treat a decade-long guarantee from a young business accordingly.
Insurance is the thing that actually matters
Because resale is not where the protection is. Loss and damage are far more likely outcomes than sale.
- Insure at replacement cost, not resale value β what it would cost to have the piece made again today.
- Keep the invoice, the grading report and the laser inscription number together.
- Photograph the piece properly, including the inside of the shank where the karat mark is.
- Update the valuation every few years β though note that with lab grown, replacement cost may have fallen, which is unusual and works in your favour.
So how should you think about the spend?
As a purchase, not an investment. The right question is not βwhat will this be worthβ but βhow many times will this be worn, and will it still be right in ten yearsβ.
On that measure lab grown does well: you get a larger, better-specified stone than the same money buys mined, and you can put the difference into metal quality and construction, which is what actually determines whether a ring survives daily wear for decades.
If preserving capital genuinely matters to you, buy the smallest ring you both like and keep the difference. That is a better answer than any stone we could sell you.
Keep reading
Frequently asked questions
Do lab grown diamonds have resale value?
Very little. There is no established second-hand market, production capacity is unconstrained, and prices fell steeply between 2020 and 2024, so an older stone competes against cheaper new production of the same specification. Most jewellers and pawnbrokers will decline one or offer a nominal figure.
Do mined diamonds hold their value better?
A resale market exists for mined stones, which lab grown lacks, so in that narrow sense yes. But owners typically recover only a fraction of what they paid, because the retail price included a margin no second-hand buyer will pay again. Almost all jewellery is a poor financial instrument; lab grown is simply more obvious about it.
What part of a ring holds its value?
The precious metal. Gold has a genuine floor β scrap value by weight and karat, priced daily on a public market β and platinum similarly, though with fewer buyers. Silver has a low floor, often less than the labour in the piece. Craftsmanship recovers almost nothing unless the maker is a recognised name.
Are lifetime upgrade programmes worth it?
Only if you were going to buy from that seller again. Most give credit toward a more expensive piece from the same company, often requiring you to spend a multiple of the original β that is a loyalty mechanism rather than a resale market. A cash buy-back is a stronger promise, but only as good as the company still trading when you use it.
Buy it to wear it.
We would rather you spent less on the stone and more on how the ring is built. That is the part that lasts thirty years.
Leave a comment