Lab grown diamonds have become one of the biggest shifts in the jewellery industry, yet many buyers still ask the same question: why do some people think lab diamonds are fake?
The short answer is simple. Many people confuse lab grown diamonds with diamond simulants such as cubic zirconia or moissanite. Others associate the word “lab” with something artificial or lower quality. In reality, lab grown diamonds are real diamonds with the same chemical, physical, and optical properties as mined diamonds.
Understanding where this misconception comes from can help buyers make more confident and informed decisions. If you are comparing lab grown diamonds with natural diamonds or researching loose lab diamonds before buying, this guide explains the facts clearly and practically.
Read another question : Are Cheap Lab Grown Diamonds Real?
What Is a Lab Grown Diamond?
A lab grown diamond is a real diamond created in a controlled laboratory environment rather than formed underground over billions of years.
These diamonds are made using advanced technology that replicates the natural diamond growing process. The two most common methods are:
- High Pressure High Temperature (HPHT)
- Chemical Vapor Deposition (CVD)
The result is still a genuine diamond composed of pure carbon in a crystal structure identical to mined diamonds.
Lab grown diamonds are not:
- Cubic zirconia
- Glass
- Fake crystals
- Synthetic imitations
They are real diamonds that can be graded and certified using the same standards applied to natural diamonds.
Read another question : How Do I Verify a Lab Grown Diamond Is Real?
Why the “Fake Diamond” Misconception Exists
Many People Confuse Lab Diamonds With Simulants
For years, the jewellery market included alternatives like cubic zirconia and moissanite. These stones look somewhat similar to diamonds but are completely different materials.
Because consumers became familiar with imitation stones, many automatically assume lab grown diamonds belong in the same category.
This misunderstanding is one of the main reasons some people think lab diamonds are fake.
The Word “Lab” Creates Doubt
The term “lab grown” can sound artificial to some buyers.
People often associate laboratories with manufactured products rather than natural luxury items. In reality, the environment where a diamond forms does not change what the diamond actually is.
A mined diamond forms underground under natural pressure and heat. A lab grown diamond forms above ground using the same scientific conditions.
Both are genuine diamonds.
Traditional Marketing Influenced Public Perception
For decades, the jewellery industry focused heavily on the rarity and prestige of mined diamonds. Many consumers grew up believing that natural diamonds were the only “real” option.
As lab grown diamonds entered the market, some outdated assumptions continued to circulate. This created hesitation among buyers unfamiliar with the technology or certification process.
Today, however, lab grown diamonds are widely accepted by major jewellers, grading laboratories, and consumers worldwide.
Are Lab Grown Diamonds Real Diamonds?
Yes. Lab grown diamonds are real diamonds in every scientific sense.
They have:
- The same hardness
- The same sparkle
- The same fire and brilliance
- The same crystal structure
- The same durability
Even professional jewellers usually cannot identify whether a diamond is mined or lab grown without specialised equipment.
This is why certified lab grown diamonds receive grading reports from respected gemological laboratories.
Read another question : How Do I Know the Certificate Matches the Diamond?
Do Lab Grown Diamonds Look Different?
No. Visually, lab grown diamonds look the same as natural diamonds.
A well cut lab diamond will sparkle just as beautifully as a mined diamond of similar quality.
The appearance of a diamond depends mainly on the famous 4Cs:
- Cut
- Colour
- Clarity
- Carat weight
Many buyers are surprised to learn that they cannot distinguish between a mined diamond and a lab grown diamond side by side.
If appearance is your priority, loose lab diamonds often provide exceptional value because buyers can choose larger or higher quality stones within the same budget.
Why Some Buyers Still Prefer Natural Diamonds
Even though lab grown diamonds are real, some buyers still prefer natural diamonds for emotional or traditional reasons.
Perceived Rarity
Natural diamonds formed over billions of years underground, and some people value that geological history.
Family Tradition
Certain buyers associate mined diamonds with tradition, heirlooms, or long established engagement customs.
Resale Assumptions
Some consumers believe natural diamonds hold resale value better, although most retail diamonds of any type should not be viewed primarily as investment assets.
These preferences are personal rather than scientific.
Why More Buyers Are Choosing Lab Grown Diamonds
Despite lingering misconceptions, demand for lab grown diamonds continues to grow rapidly because buyers recognise the practical advantages.
Better Value for Money
One of the biggest reasons people choose lab grown diamonds is pricing.
Buyers can often purchase:
- Larger carat sizes
- Higher clarity grades
- Better colour grades
while staying within the same budget compared to mined diamonds.
Easier Comparison Shopping
Online shopping has made it easier to compare certified lab grown diamonds transparently.
Buyers can review:
- Videos
- Certification reports
- Detailed specifications
- Pricing comparisons
This transparency helps build confidence during the buying process.
Certified Quality
Trusted grading laboratories certify lab grown diamonds using the same grading standards applied to natural diamonds.
Common certifications include:
- IGI
- GIA
Certification confirms the diamond’s authenticity and quality characteristics.
Can Diamond Testers Detect Lab Grown Diamonds?
Standard diamond testers usually identify lab grown diamonds as real diamonds because they share the same thermal conductivity as mined diamonds.
This surprises many consumers who expect a tester to label them as fake.
Only advanced equipment designed specifically for diamond origin detection can reliably determine whether a diamond is lab grown or natural.
This is another important reason why lab grown diamonds are not considered fake within the jewellery industry.
How to Buy Lab Grown Diamonds With Confidence
If you are considering loose lab diamonds or finished jewellery, there are several ways to shop confidently and avoid confusion.
Choose Certified Diamonds
Always look for certification from recognised gemological laboratories.
A grading report verifies:
- Diamond authenticity
- Cut quality
- Colour grade
- Clarity grade
- Carat weight
Certification is one of the strongest trust signals when buying online.
Review Videos and Images Carefully
High quality sellers provide:
- 360 degree videos
- High resolution images
- Detailed specifications
This helps buyers compare diamonds realistically before purchase.
Compare Pricing Transparently
One advantage of lab grown diamonds is transparent online pricing.
Comparing multiple certified stones side by side helps buyers understand value differences between various grades and sizes.
Understand the Return Policy
A clear return policy gives buyers peace of mind, especially for online purchases.
This is an important step regardless of whether you choose natural or lab grown diamonds.
Are Lab Grown Diamonds Worth Buying?
For many buyers, yes.
Lab grown diamonds appeal to people who want:
- A real diamond
- Excellent sparkle
- Larger stone sizes
- Strong value for money
- Certified quality
The idea that lab diamonds are fake usually comes from outdated information or confusion with imitation stones.
Once buyers understand the science and certification behind lab grown diamonds, the distinction becomes much clearer.
Final Thoughts
Some people think lab diamonds are fake because of misconceptions surrounding the word “lab,” confusion with imitation stones, and years of traditional diamond marketing. However, lab grown diamonds are real diamonds with the same physical and visual properties as mined diamonds.
For modern buyers, the decision often comes down to personal preference, budget, and priorities rather than authenticity. By focusing on certification, transparent pricing, and diamond quality, buyers can confidently compare loose lab diamonds and choose the option that best fits their needs.