Are Lab-Grown Diamonds Worth It? An Honest Answer

The box opens, the light finds the stone, and for a second nobody says anything at all. In that moment, no one is thinking about where the diamond was formed. But before it, there is research, and a question almost every couple asks: are lab-grown diamonds worth it? Lab-grown diamonds are now one of the most popular choices for engagement rings, so here's an honest look at the pros and cons, including the parts some jewelers prefer not to mention.

Are lab-grown diamonds worth it? The pros

They're real diamonds

Lab-grown diamonds have the same chemical makeup, hardness and optical properties as mined diamonds. Even trained jewelers can't tell them apart by eye; it takes specialist lab equipment. They are grown using one of two established methods, HPHT (high pressure, high temperature) or CVD (chemical vapor deposition), and the result is crystallized carbon, exactly as a natural diamond is. This is not a simulant or a look-alike. It is a diamond.

You get much more for your money

For the same budget, a lab-grown diamond is usually noticeably larger or of a higher grade than a mined one. Many couples choose a 1.5 or 2 carat lab diamond for what a 1 carat mined diamond would cost. That difference can transform a ring: a fuller presence on the hand, a finer cut, or simply room in the budget for a more intricate setting or the honeymoon. See real prices by carat.

The sparkle is the same. The only thing you give up is the premium for rarity.

Clear, traceable origin

Each lab-grown diamond is independently graded and its origin is stated on the report, with no mining involved. Every LUXEIGA diamond is graded by an independent lab, IGI or GIA, and the certificate is included with your ring, so you know precisely what you are buying and where it came from. Read more in our guide to ethical diamond engagement rings, or compare the two labs in IGI vs GIA lab diamond certificates.

Built for a lifetime

At 10 on the Mohs hardness scale, a lab-grown diamond is as durable as any diamond for everyday wear. It will not cloud, soften or lose its brilliance with time, which matters for a ring that will be worn through commutes, kitchens, holidays and decades of ordinary days.

The cons

Lower resale value

This is the honest one: lab-grown diamonds generally resell for much less than mined diamonds, and their prices have fallen as production has grown. If you see your ring mainly as a financial investment, that matters. For most couples, though, an engagement ring is something to wear and treasure, not to sell, and mined diamonds also resell for well below their retail price.

Some people prefer "natural"

For a few people, the idea of a stone formed deep in the earth over millions of years is part of the romance. Natural diamonds formed roughly one to three billion years ago, around 150 to 200 kilometers below the surface, and that ancient story genuinely moves some buyers. That's a personal preference, and a perfectly valid one.

Energy use

Growing diamonds requires a lot of energy, and the environmental footprint depends on how that energy is produced. It is worth being clear-eyed about this: "no mining" is not the same as "no impact."

Lab-grown vs mined: weighing it up

Here is how the two compare on the points that usually decide it.

So, are lab-grown diamonds worth it?

If you want a real, beautiful, durable diamond and you'd rather spend your budget on the ring you love than on rarity, lab-grown diamonds are absolutely worth it. If resale value or natural origin is your top priority, a mined diamond may suit you better. Compare both in lab-grown vs mined diamonds.

The question underneath it all is a simple one: what is the ring for? If the answer is to be worn every day, to be looked at across a dinner table, to be passed down as a story rather than sold as an asset, then the case for lab-grown is very strong indeed.

An engagement ring is measured in years worn, not in what it might fetch.

Buy with confidence

Every LUXEIGA diamond is certified, Excellent cut and backed by 30-day returns, a free resize within 60 days and a 12-month warranty that covers any issue with the ring, from tightening a loose stone to re-plating white gold when its bright coating fades. Each ring is handcrafted to order and arrives with free insured, tracked delivery to the UK and USA. You can pay in full, or reserve with 30%, pay 30% when you approve the design and 40% on completion, for the same price as paying in full.

Design your ring in 3D or start with our complete buying guide. If you'd like to see stones before you decide, book a free video consultation with a ring specialist.

Frequently asked questions

Are lab-grown diamonds real diamonds?

Yes. They have the same chemical makeup, hardness and optical properties as mined diamonds, and even trained jewelers can't tell them apart by eye.

Do lab-grown diamonds hold their value?

Not as well as mined diamonds. They generally resell for much less, and their prices have fallen as production has grown. Mined diamonds also resell for well below their retail price.

Will a lab-grown diamond last?

Yes. At 10 on the Mohs scale, it is as durable as any diamond for everyday, lifelong wear.

Are lab-grown diamonds better for the environment?

They involve no mining, but growing them requires a lot of energy, so the footprint depends on how that energy is produced.