Do Lab-Grown Diamonds Have Resale Value?

Many buyers ask what a diamond will be worth if they ever need to sell it. The honest answer is that resale value depends on the type of diamond, the market and the seller, and for most jewellery it is lower than the price you paid. This guide explains what affects resale value so you can set realistic expectations.

Retail price and resale price are not the same

Whenever you buy jewellery from a retailer, the price includes costs such as the design, the metal, the retailer's overheads and profit. When you sell, a buyer wants to pay a price that allows them to resell at a profit. For this reason, resale prices for almost all jewellery are well below the original retail price, whether the diamond is natural or lab-grown.

How lab-grown diamonds differ

Lab-grown diamonds are real diamonds, but their market is different from the market for natural diamonds.

• Production is scalable. Lab-grown diamonds can be produced in larger quantities, and prices have been falling as the technology improves and supply grows.
• The secondary market is smaller. Fewer buyers are looking for pre-owned lab-grown diamonds, so there are fewer options for selling.
• Prices change. It is hard to predict what a lab-grown diamond will cost in future, and it is reasonable to expect that similar stones may be cheaper later.

For these reasons, lab-grown diamonds have typically retained less value than natural diamonds. Our guide to lab-grown versus natural diamonds compares the two.

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What about natural diamonds?

Natural diamonds have traditionally held more value on the secondary market, particularly larger, higher-quality stones with a grading report. Even so, selling a natural diamond ring usually returns only a portion of the retail price. Do not treat diamond jewellery as a guaranteed investment.

What affects resale value?

• Diamond quality: the cut, colour, clarity and carat weight. Larger, higher-quality stones are generally easier to sell. Our guide to the diamond 4Cs explains the grades.
• A grading report: an independent report from a recognised laboratory makes a stone easier to price and sell.
• Type of diamond: natural diamonds have traditionally held value better than lab-grown ones.
• Condition: scratches, chips and wear can reduce the price.
• Metal and design: the value of the metal contributes, and a classic design is easier to sell than an unusual one.
• Market conditions: diamond and gold prices change over time.
• Where you sell: a dealer, a consignment shop, an auction and a private buyer all offer different prices and involve different fees.

Where can you sell?

Options include jewellers or dealers who buy pre-owned pieces, consignment arrangements, online marketplaces, auctions and private sales. Each has different costs, risks and timescales. A dealer may offer a quick price that reflects their need to make a profit, while a private sale might get more but takes more effort and has more risk. Always get more than one quote, and be careful with unfamiliar buyers.

Ask about trade-in and buyback terms

Some sellers offer trade-in, upgrade or buyback programmes. If this matters to you, ask before you buy.

• Is there a programme, and what are the exact terms?
• What percentage of the purchase price is offered, and does it apply to the diamond, the setting or both?
• Is it credit toward another purchase or a cash refund?
• Are there time limits or condition requirements?
• Does it apply to lab-grown diamonds as well as natural ones?

Get the terms in writing. Do not assume that such a programme exists. Our guide to comparing warranty and return policies explains other terms to check.

Keep your documents

Keep the receipt, the grading report, any appraisal and the warranty. These papers help to prove what you own and make it easier to sell.

Is resale the right way to think about it?

Many people buy diamond jewellery for the pleasure of wearing it and the meaning it carries, not as a financial asset. If that is true for you, price per wear and enjoyment matter more than what you might get back. If resale is a high priority, it is worth considering these points before you choose.

How to decide

Think about what you value most.

• If you want more size or quality for your budget: lab-grown may suit you, with the understanding that resale value is likely to be low.
• If natural origin and traditional value matter: a natural diamond may be a better fit, though it is not an investment.
• If you might upgrade later: ask about trade-in terms before buying.

Common mistakes

• Treating a diamond ring as an investment.
• Comparing the retail price with a dealer's offer without understanding the difference.
• Losing the grading report or receipt.
• Assuming that a trade-in programme exists.

Buy with realistic expectations

Whichever type you choose, buy from a seller who labels the diamond clearly and gives full documentation. For pieces with clear specifications, browse our diamond jewellery.