Lab-Grown Diamond Price Guide: How Much They Cost
Lab-grown diamonds cost a fraction of mined — but how much exactly, and how do you get the best value? Here's what a 1, 2, or 3 carat lab diamond really costs and what drives the price.
The number-one reason people choose a lab-grown diamond is simple: the price. A lab-grown stone looks identical to a mined diamond but costs a fraction as much — and prices have fallen further in recent years. Here's an honest look at what lab-grown diamonds actually cost by size, what moves the price, and how to spend your budget wisely.
Lab-Grown Pricing at a Glance
- vs mined: typically 60–90% less.
- Trend: prices down ~74% since 2020.
- Priced on: the four Cs, like any diamond.
- Biggest savings: on larger carat sizes.
- Always: buy certified & compare current prices.
How Much Do Lab-Grown Diamonds Cost?
A fraction of a mined diamond.
There's no single price, because a lab-grown diamond is priced on quality, just like a mined one. But across the board, lab-grown costs 60–90% less than a natural diamond of the same specs. Prices have also fallen sharply as production scaled, so a stone that cost thousands a few years ago may cost much less today. Because pricing shifts, always check current figures — but the takeaway is that lab-grown gives you far more diamond for your money. Explore our lab-grown diamond rings.
Approximate Price by Carat
Ballpark ranges for the loose stone.
These are rough, illustrative ranges for a well-cut, good-quality lab-grown diamond versus a comparable mined one. Actual prices vary with the four Cs and change over time, so treat them as a guide, not a quote:
| Carat | Lab-Grown (approx.) | Natural (approx.) |
|---|---|---|
| 0.5 ct | Low hundreds | ~$1,000–$2,500 |
| 1 ct | Several hundred to ~$2,000 | ~$4,000–$8,000 |
| 2 ct | ~$1,500–$5,000 | ~$12,000–$30,000+ |
| 3 ct | ~$3,000–$9,000 | Much higher |
Notice the gap widens with size: mined-diamond prices rise steeply per carat, while lab-grown stays far more affordable — which is why big lab-grown stones are such a popular choice.
Lab-Grown Diamond Rings
Handcrafted, made to order, and IGI-certified — genuine diamonds for a fraction of the mined price.
Shop Lab DiamondsWhat Drives a Lab-Grown Diamond's Price
The same four Cs.
- Carat — bigger stones cost more, but far less steeply than mined diamonds.
- Cut — the biggest driver of sparkle; a great cut is worth paying for.
- Color — near-colorless (around G–H) offers the best value; higher grades cost more.
- Clarity — eye-clean (around VS) is the sweet spot; flawless commands a premium.
Lab-Grown vs Natural Price
The dramatic difference.
The headline is that lab-grown costs 60–90% less than a natural diamond of matching quality. That lets you either pocket the savings or size up — a lab-grown 2 carat can cost less than a mined 1 carat. For the full comparison beyond price, see our lab-grown vs natural diamond guide.
Why Are They So Affordable?
Speed, scale, and no scarcity.
Lab-grown diamonds are grown in weeks and can be produced to demand, with no mining and no scarcity premium. As more producers entered the market and technology improved, prices dropped — roughly 74% since 2020. Remember, "affordable" refers only to price: the stone itself is a genuine, high-quality diamond. The flip side is that falling prices mean lower resale value — see do lab-grown diamonds hold value?
Stone vs Ring: The Full Cost
Don't forget the setting.
The figures above are for the loose stone. A finished ring also includes the metal and setting — sterling silver is most affordable, gold vermeil mid-range, and solid gold (especially with accent diamonds) the most. Because the lab-grown center stone is so affordable, you can often put more of your budget toward a beautiful, durable setting.
Getting the Best Value
Spend smart.
- Prioritize cut — it drives sparkle more than any other factor. Never skimp here.
- Choose near-colorless & eye-clean — around G–H color and VS clarity balance beauty and price.
- Always buy certified — an IGI or GIA report confirms quality; see IGI vs GIA.
- Compare current prices — since lab-grown prices fall over time, shop around and check the latest figures.
Keep reading: our guides to whether moissanite passes a diamond tester, lab-grown vs natural alexandrite and what is a salt and pepper diamond, oval engagement rings cover the next questions most readers have.
Lab-Grown Diamond Price FAQ
How much is a 1 carat lab-grown diamond?
How much is a 2 carat lab-grown diamond?
Why are lab-grown diamonds so cheap?
Are lab-grown diamonds cheaper than natural diamonds?
Do lab-grown diamond prices keep going down?
How much should I pay for a lab-grown diamond?
Maximum diamond for your budget
Every Aquamarise lab-grown diamond ring is handcrafted, made to order, and IGI-certified — a genuine diamond for a fraction of the mined price.
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