Common Myths About Lab-Grown Diamonds Debunked
Lab-grown diamonds have become increasingly popular among couples and jewelry buyers, but many misconceptions still surround them. Some people assume they are fake, less durable, or easy to identify, while others are unsure whether they offer the same beauty as natural diamonds.
The truth is that many of these beliefs are based on outdated or incorrect information. Understanding the most common lab-grown diamond myths can help you make a more confident and informed jewelry purchase.
In this guide, we’ll separate fact from fiction and explain what makes lab-grown diamonds a genuine, beautiful, and modern choice.
Myth 1: Lab-Grown Diamonds Are Fake
This is one of the most common lab-grown diamond myths.
Lab-grown diamonds are real diamonds. They are made from carbon and have the same crystal structure, brilliance, hardness, and optical properties as natural diamonds.
They are not the same as diamond simulants such as cubic zirconia or moissanite.
- Natural diamonds are made of carbon.
- Lab-grown diamonds are made of carbon.
- Cubic zirconia and moissanite have different chemical compositions.
The main difference between natural and lab-grown diamonds is their origin.
Myth 2: Lab-Grown Diamonds Do Not Sparkle Like Natural Diamonds
Lab-grown diamonds offer the same brilliance, fire, and sparkle as natural diamonds.
The amount of sparkle depends primarily on the quality of the diamond’s cut, not whether it was formed underground or created in a laboratory.
A well-cut lab-grown diamond can display exceptional brilliance and beauty.
Myth 3: Lab-Grown Diamonds Are Not Durable
Lab-grown diamonds are just as durable as natural diamonds.
Both rank 10 on the Mohs Hardness Scale, making them the hardest gemstones used in jewelry.
This makes lab-grown diamonds suitable for:
- Engagement rings
- Wedding bands
- Diamond earrings
- Pendants
- Tennis bracelets
- Everyday jewelry
With proper care, a lab-grown diamond can last a lifetime.
Myth 4: Anyone Can Tell the Difference
Most people cannot tell the difference between a lab-grown and natural diamond by looking at them.
Even trained jewelers often need specialized testing equipment or a grading report to confirm a diamond’s origin.
To the naked eye, both types of diamonds can appear virtually identical.
Myth 5: Lab-Grown Diamonds Are All Low Quality
Lab-grown diamonds are available in a wide range of quality grades, just like natural diamonds.
They are evaluated using the same 4 Cs:
- Cut
- Color
- Clarity
- Carat Weight
Some lab-grown diamonds have exceptional color, clarity, and cut grades, while others may have visible inclusions or lower quality. Certification helps buyers understand exactly what they are purchasing.
Myth 6: Lab-Grown Diamonds Cannot Be Certified
Certified lab-grown diamonds are graded by respected gemological laboratories.
A grading report can include:
- Diamond measurements
- Cut grade
- Color grade
- Clarity grade
- Carat weight
- Proportions
- Identification details
Certification gives buyers greater transparency and confidence.
Myth 7: Lab-Grown Diamonds Are Always Perfect
Although they are produced in controlled environments, lab-grown diamonds are not automatically flawless.
They can contain inclusions and variations created during the growth process, just as natural diamonds develop unique internal characteristics underground.
This is why every diamond should be evaluated individually.
Myth 8: Lab-Grown Diamonds Are Identical to Diamond Simulants
Lab-grown diamonds and diamond simulants are very different.
| Gemstone | Real Diamond? | Main Composition |
|---|---|---|
| Natural Diamond | Yes | Carbon |
| Lab-Grown Diamond | Yes | Carbon |
| Moissanite | No | Silicon Carbide |
| Cubic Zirconia | No | Zirconium Dioxide |
Lab-grown diamonds are genuine diamonds, while simulants are different gemstones designed to resemble diamonds.
Myth 9: Lab-Grown Diamonds Only Come in a Few Styles
Lab-grown diamonds are available in many popular shapes, sizes, and jewelry designs.
Popular diamond shapes include:
- Round
- Oval
- Emerald
- Princess
- Cushion
- Pear
- Radiant
- Marquise
They can be set in solitaire, halo, vintage-inspired, three-stone, and contemporary ring settings.
Myth 10: Lab-Grown Diamonds Are Only Chosen Because They Cost Less
Affordability is an important benefit, but it is not the only reason buyers choose lab-grown diamonds.
Many customers also appreciate:
- Modern diamond technology
- Certified quality
- A wider range of sizes within budget
- Responsible production alternatives
- Exceptional beauty and durability
For many couples, lab-grown diamonds simply align better with their priorities and lifestyle.
How to Buy a Lab-Grown Diamond With Confidence
When shopping for a lab-grown diamond:
- Choose a certified diamond.
- Review the 4 Cs carefully.
- Prioritize cut quality for maximum sparkle.
- Compare several diamonds before deciding.
- Purchase from a trusted jeweler.
- Ask questions about grading and origin.
Final Thoughts
Understanding the truth behind common lab-grown diamond myths makes it easier to appreciate what these gemstones genuinely offer.
Lab-grown diamonds are real, durable, brilliant, and available in a wide range of qualities and styles. They provide the same timeless beauty as natural diamonds while offering modern buyers another meaningful option.
At Jae’s Jewelers, our knowledgeable team is here to help you compare certified diamonds and choose a piece that reflects your style, priorities, and budget.
Frequently Asked Questions
Are lab-grown diamonds fake?
No. Lab-grown diamonds are genuine diamonds made from carbon with the same physical and optical properties as natural diamonds.
Can lab-grown diamonds scratch?
They are extremely resistant to scratching and rank 10 on the Mohs Hardness Scale, just like natural diamonds.
Can people tell that a diamond is lab-grown?
Usually not by appearance alone. Specialized equipment or certification is normally needed to identify its origin.
Are lab-grown diamonds certified?
Yes. Many lab-grown diamonds are independently graded for cut, color, clarity, and carat weight.
Do lab-grown diamonds look different from natural diamonds?
No. Both can offer the same brilliance, fire, sparkle, and visual beauty.