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Natural Diamond vs Lab Grown Diamond: What's the Difference?
by Ankit Koshiya on Sep 28, 2026
Short answer: Natural and lab grown diamonds are both diamonds. They have the same chemical composition, crystal structure, hardness and sparkle. The main differences are origin, rarity, price and resale expectations. A lab grown diamond usually gives you more size or a higher grade for the same budget. A natural diamond offers a geological origin and rarity that some buyers value more.
This guide compares the two side by side, explains what grading reports show, and gives you a simple way to decide which diamond is right for you. Everything here applies whether you are choosing an engagement ring, a pair of studs or an everyday pendant.
Quick natural vs lab grown diamond checklist
- Choose lab grown if: your priority is a larger stone, a higher grade or more design freedom within your budget.
- Choose natural if: you value geological rarity, tradition and generally stronger resale expectations.
- Judge the individual stone: not only its origin. Cut, color, clarity, carat weight and proportions still determine how it looks.
- Ask for an independent report: confirm the origin, measurements and quality details before you buy.
- Treat any resale claim carefully: neither type should be purchased with a guaranteed-return expectation.
Natural and lab grown diamonds are both real diamonds
This is the most important point to understand, and the one most often confused. "Lab grown" describes where a diamond came from, not what it is.
A natural diamond forms deep below the Earth's surface through geological processes over a very long time and is recovered through mining. A lab grown diamond is created in a controlled environment. Both routes produce crystalline carbon, the material we call diamond.
How lab grown diamonds are made
- HPHT (High Pressure, High Temperature): Recreates the intense heat and pressure that form diamonds in the earth. Carbon is dissolved and crystallizes onto a small diamond seed inside a large press.
- CVD (Chemical Vapor Deposition): A diamond seed plate is placed in a chamber filled with carbon-rich gas. The gas is energized, and carbon atoms settle onto the seed layer by layer, growing a diamond crystal.
Either method can produce beautiful diamonds. After growth, the rough crystal is cut and polished exactly like a mined diamond. Some lab grown diamonds receive post-growth treatment to improve color; a full grading report notes this.
A lab grown diamond is not cubic zirconia or moissanite. Those are different gemstones with different chemistry and properties. The U.S. Federal Trade Commission requires sellers to disclose clearly when a diamond is laboratory grown so shoppers understand its origin.
The key differences are origin, price and rarity
| Feature | Lab grown diamond | Natural diamond |
|---|---|---|
| Material | Crystalline carbon | Crystalline carbon |
| Origin | HPHT or CVD growth | Formed in the Earth |
| Appearance | Same at matching grades | Same at matching grades |
| Hardness | 10 on Mohs scale | 10 on Mohs scale |
| Price | Usually lower | Usually higher |
| Rarity story | Manufactured supply | Geological scarcity |
| Resale outlook | Generally lower | Generally stronger |
| Identification | Specialized testing | Specialized testing |
Matching grades can look identical to the eye
If a natural diamond and a lab grown diamond have the same shape, cut, color, clarity and carat weight, they can look the same without specialized equipment. Both can show brilliance, fire and scintillation, because they share the same refractive index and the same way of splitting light into color.
How laboratories tell them apart
An ordinary visual check is not a reliable way to confirm origin, and a standard handheld diamond tester will read both as diamond. Professional laboratories use advanced instruments to study growth patterns, fluorescence behavior, trace elements and other features that separate laboratory-grown material from natural material. That is why the origin statement on an independent report matters so much.
Shown: Dutch Marquise Hidden Halo with Pave Band Lab Diamond Ring
Lab grown usually gives you more diamond for the budget
The most noticeable shopping difference is price. Lab grown diamonds are usually priced lower than natural diamonds with comparable visible grades. That can let you choose a larger center stone, a more elaborate setting, or stronger cut and color without increasing your total budget.
Natural diamonds usually cost more because their supply is limited by geology, mining and the chain required to bring them to market. Their price also reflects rarity factors that go beyond the 4Cs, including the scarcity of a particular combination of size, color and clarity.
Practical takeaway: set your total ring budget first. Then compare complete options (stone, setting, certificate and service) rather than comparing carat weight alone.
Where the savings can go
- A larger center stone: The most common choice. Compare face-up measurements in millimetres to see the real difference on the hand.
- Better cut and color: Moving up to an Excellent cut or a whiter color grade often costs less with lab grown, and cut is the grade you see most.
- A richer setting: Higher karat gold, a halo, a pavé band or a matching wedding band can all fit the same total budget.
- A second piece: Some couples put the difference toward wedding bands or a pair of matching studs.
Resale: natural diamonds generally have stronger expectations
Natural diamonds have a longer-established secondary market and generally retain more resale value than lab grown diamonds. Lab grown prices can change quickly as production technology and supply evolve, so resale offers may be modest.
That does not make every natural diamond an investment. A resale price can be below the original retail price for either type, and it depends on the stone, brand, condition, documentation and market demand. Buy the diamond you want to wear, not because someone promises a future return.
Tip: If resale matters to you, keep the original grading report, receipt and packaging, and check that the report number is laser inscribed on the diamond. Good documentation helps with any future sale, insurance claim or upgrade, whichever type of diamond you choose.
The same 4Cs still decide beauty and quality
Natural and lab grown diamonds are evaluated using the familiar 4Cs. Origin does not rescue a poor cut, and a high carat weight does not guarantee a beautiful stone.
- Cut: Prioritize Excellent or Ideal cut where the grading system applies. Cut has the strongest effect on brightness and sparkle.
- Color: D to F gives a colorless look; G to H can offer excellent value and still appear near-colorless to many buyers.
- Clarity: VS1 or VS2 is often eye-clean. Inspect the actual inclusion plot or video instead of paying only for a higher label.
- Carat: Carat is weight, not face-up size. Measurements and proportions show how large the diamond will appear.
Because lab grown diamonds cost less at every grade, many buyers use the savings to move up in cut and color first, then in size. With natural diamonds, careful balancing matters even more, since every step up the scale adds rarity and cost.
Color and fancy colors
Both natural and lab grown diamonds come in white (colorless to near colorless) and in fancy colors such as yellow, pink and blue. In natural diamonds, strong fancy colors are very rare and priced accordingly. Lab growers can produce fancy colors more consistently, which makes colored lab grown diamonds a more accessible way to try a pink or blue stone. As with white diamonds, the report should state the origin and any color treatment.
Shown: Round Cut Lab Diamond Cushion Halo Engagement Ring
A grading report makes the comparison fair
Ask for an independent grading report for the center diamond. Check that the report describes the stone as natural or laboratory grown, and compare its carat weight, measurements, color, clarity, cut or finish grades, and any treatments. Where a laser inscription is present, its number should match the report and the product listing.
IGI reports use the 4Cs to describe diamond quality. Since October 2025, GIA has used "Premium" and "Standard" overall quality assessments for eligible D-to-Z laboratory-grown diamonds rather than the natural-diamond color and clarity nomenclature. That means you should compare like with like and read the full report, not just the laboratory name.
What to check on the report
- Origin statement: It should say clearly whether the diamond is natural or laboratory grown.
- Report number and inscription: Match the number on the report to the girdle inscription and to the product listing.
- Measurements: Confirm the millimetre dimensions match the size you expect, not just the carat weight.
- Comments section: Look for notes on treatments, growth method or other details that affect value.
Shop the styles in this guide
Environmental and sourcing claims need specific evidence
The environmental comparison is not as simple as "lab good, mined bad." Lab grown production avoids diamond mining, but HPHT and CVD systems use significant energy. Their footprint depends heavily on the electricity source and the efficiency of the producer. Natural-diamond mining disturbs land and uses water and fuel, while practices and traceability vary across mines and suppliers.
Broad words such as "eco-friendly," "sustainable" or "conflict-free" should be supported by clear evidence. If this matters to you, ask where the stone was produced or mined, what traceability is available, what energy was used, and whether the claim has independent verification.
Durability, wear and care are the same
Because they are the same material, natural and lab grown diamonds wear in exactly the same way. Both score 10 on the Mohs scale, resist scratching better than any other gemstone and keep their polish for generations.
Both can still chip from a hard knock at a thin edge or sharp point, and both lose sparkle when coated in lotion, soap or skin oils. Care is identical:
- Clean regularly: Soak in warm water with mild dish soap, brush gently behind the stone with a soft toothbrush, then rinse and dry.
- Protect the setting: Remove rings for the gym, heavy lifting, gardening and harsh cleaning products.
- Store separately: Diamond scratches other jewelry, and other diamonds, so keep pieces in separate pouches or compartments.
- Have it checked: Ask a jeweler to check prongs and settings periodically so the stone stays secure.
Which diamond should you choose?
- Choose a lab grown diamond when: you want maximum visible size, higher grades or a more detailed setting for your budget. It is also a strong choice when resale is not a priority and you are comfortable with a manufactured origin.
- Choose a natural diamond when: the stone's ancient geological origin, rarity and tradition are important to you, or when you prefer the more established secondary market.
- Choose either with confidence when: the seller describes the origin clearly, the report matches the stone, the cut performs beautifully and the complete piece fits your budget.
| If this matters most to you | Usually the better fit |
|---|---|
| Biggest stone or highest grades for the budget | Lab grown diamond |
| Geological rarity and tradition | Natural diamond |
| Stronger resale expectations | Natural diamond |
| Spending more on the setting, metal or matching band | Lab grown diamond |
| Same look, durability and sparkle | Either, at matching grades |
Questions to ask before you buy
- Origin in writing: Both the product listing and the report should name the diamond as natural or lab grown.
- The actual stone: Ask for a video of the exact diamond in daylight and indoor light, not a stock image.
- What the price includes: Check whether the price covers the setting, certificate, shipping and returns.
- Aftercare: Ask about cleaning, prong checks and how to reach the team if you need help later.
There is no universal winner. The better diamond is the one whose beauty, origin story and price make sense for you.
How we help you compare at Ivevar
We design, cast, set and polish our jewelry in our own workshop in Surat, India, one of the world's leading diamond-cutting centers. Before production begins, we send you a computer-aided design (CAD) rendering for approval. Before shipping, we share photos or a video of the finished piece so you can review what you are receiving.
For a certified center diamond, we share the grading details so you can verify the origin and report information; many of our lab grown diamonds come with IGI certificates. If you are deciding between natural and lab grown, our team can compare options at the same budget and explain where the visible differences, and the extra cost, actually come from. You can book a virtual appointment to go through options together.
Settings are available in 10K, 14K and 18K gold, and we also create custom designs. Every order ships worldwide with free shipping and 30-day easy returns. Start with our lab grown engagement rings, browse lab grown diamond fine jewelry, or see lab grown solitaire rings if you want the center diamond to take the spotlight.
Shop Our Best Sellers
Explore four lab grown diamond ring designs selected from Ivevar's best sellers.
Swipe to see more → | View all best sellers
Frequently asked questions
Are lab grown diamonds real diamonds?
Yes. They are diamonds made of crystalline carbon. "Lab grown" describes their origin; it does not mean cubic zirconia or moissanite.
Can you tell a lab grown diamond from a natural diamond by looking?
Not reliably. Matching stones can look the same to the unaided eye. Specialized laboratory equipment is used to determine origin.
Will a diamond tester show the difference?
No. A standard handheld diamond tester identifies both as diamond, because they are the same material. Origin is confirmed with advanced laboratory instruments and shown on the grading report.
Do lab grown diamonds get cloudy over time?
A properly made diamond does not become cloudy simply because it was grown in a laboratory. Dirt, lotion and oils can dull any diamond until it is cleaned.
Which diamond sparkles more?
Neither origin automatically sparkles more. Cut quality, proportions and cleanliness have a much greater effect on visible sparkle.
Which diamond is better for an engagement ring?
Both are durable enough for daily wear. Lab grown usually gives more size for the budget; natural offers geological rarity and tradition.
Which certificate should I ask for?
Ask for an independent report that clearly states origin and quality. Read the full grading system used by that laboratory and match the report details to the stone.
Is a natural diamond a guaranteed investment?
No. Natural diamonds generally have stronger resale expectations, but resale value is not guaranteed and may be below the original retail price.
Are CVD diamonds better than HPHT diamonds?
Not as a rule. Both methods can produce excellent diamonds. Judge each stone on its report, its cut and how it looks, not on the growth method alone.
Sources
- Federal Trade Commission — Diamond advertising disclosures
- Federal Register — 2018 Jewelry Guides
- GIA — Updated laboratory-grown diamond services
- GIA — Natural and lab-grown diamonds: what's the difference?
- IGI — Diamond 4Cs guide
Aumsri Pradhan is the founder of Ivevar Luxury, a Surat-based fine jewelry brand that designs and handcrafts lab grown diamond and moissanite jewelry in its own workshop. She leads the brand's design and customer experience, from engagement rings and bridal sets to custom pieces made to each client's story. Through the Ivevar blog, she shares practical guidance on lab grown diamonds, moissanite, diamond grading and ring design to help buyers choose with confidence.
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