If you’re shopping for an engagement ring today, one question comes up more than ever: Lab-grown vs. natural diamonds, what’s the difference, and which should you choose?
Both options are real diamonds. Both offer incredible brilliance, durability, and beauty. But they differ in how they’re created and how they’re valued.
This guide will walk you through everything you need to know about lab-grown diamonds, natural diamonds, and how to choose the right one for your engagement ring.
In recent years, lab-grown diamonds have become one of the biggest shifts in the jewellery industry. More couples are considering them alongside natural diamonds, weighing factors like diamond size and price. While in previous eras, when natural diamonds were the only diamonds available, factors such as cost often limited the size of diamond one could afford. In the current day, this is often not the case due to the cost-effectiveness of lab diamonds.
Key Takeaways
- Lab-grown diamonds and natural diamonds are chemically identical.
- Lab-created diamonds tend to be about 30-50% less expensive.
- Natural diamonds are rarer and formed over billions of years within the Earth.
- Lab-grown diamonds are created over a shorter time period using advanced technology.
- Natural diamonds tend to retain value better over time.
- Both options can be graded for diamond quality and come with diamond certification.
What Are Lab-Grown Diamonds?
Lab-grown diamonds (also called lab-created diamonds) are real diamonds that are produced in controlled laboratory environments.
They are made of pure carbon and have the same:
- Chemical structure
- Optical properties
- Hardness (10/10 on the Mohs scale)
In fact, even professionals need specialized equipment to distinguish lab-grown from natural stones.
Unlike simulants like cubic zirconia, these are not imitations; they are genuine diamonds.
How Are Lab-Grown Diamonds Made? (CVD & HPHT)
There are two primary methods used to create lab-grown diamonds:
- HPHT (High Pressure High Temperature)
This method replicates the high heat and pressure found deep within the Earth - CVD (Chemical Vapor Deposition)
A modern process where carbon gas is used to grow a diamond layer by layer.
Both processes produce diamonds that are visually and structurally identical to natural diamonds, but they form in a matter of weeks or months rather than over the course of billions of years.
Are Lab-Grown Diamonds Real Diamonds?
Yes, absolutely, and this is one of the most important points.
Lab-grown diamonds are real diamonds, not substitutes. They have the same chemical composition and physical properties as natural stones and are graded according to the same standards.
The only difference is the origin.
Lab-Grown Vs. Natural Diamonds: Key Differences
When comparing lab-grown vs. natural diamonds, the differences come down to four key areas: Origin, cost, rarity, and long-term value.
Origin & Formation
- Natural diamonds form deep within the Earth over millions to billions of years.
- Lab-grown diamonds are created in a lab in a much shorter time period.
Natural diamonds form under rare geological conditions over time, while lab-grown diamonds are produced by advanced technology that replicates those conditions.
For some people, this difference carries emotional and symbolic value and can influence their decision.
Cost Comparison
Price is one of the biggest factors when choosing between lab-grown vs. natural diamonds.
- Lab-grown diamonds are typically 30-50% less expensive.
- Lab-grown diamonds allow you to get a larger or higher-quality stone for the same budget.
This is often why many couples choose lab-grown stones for their engagement ring, especially if size or clarity is a priority.
Rarity & Value
This is where natural diamonds stand apart.
- Natural diamonds are finite and rare.
- Lab-grown diamonds can be produced on demand.
Because of this:
- Natural diamonds tend to hold their value better.
- Lab-grown diamonds can have lower resale value.
The difference in rarity is a major reason for the pricing gap and long-term value differences.
Appearance & Diamond Quality
Visually, there is no noticeable difference between lab-grown diamonds and natural diamonds.
Both:
- Reflect light the same way
- Have the same brilliance and fire
- They are graded using the same standards of diamond quality.
Any differences are detectable only with specialized gemological tools.
Environmental & Ethical Considerations
This is often a deciding factor, but it’s slightly more complex than it seems.
Lab-grown diamonds:
- Avoid traditional mining
- Require significant energy to produce
Natural diamonds:
- Involve mining
- Increasingly sourced with strict ethical and environmental standards
The key is not just which type you choose, but where it comes from.
Pros And Cons Of Lab-Grown Diamonds
Pros
- More affordable
- Larger size for the same budget
- Identical appearance and diamond quality
- Modern and increasingly popular
- More access to unique diamond shapes
Cons
- Lower resale value
- Less rarity
- Prices may continue to decrease over time.
Pros And Cons Of Natural Diamonds
Pros
- Rare and finite
- Better long-term value retention
- Traditional and symbolic
- Formed naturally over billions of years
Cons
- Higher cost
- Smaller size for the same budget
- It may have a wider quality range because of its higher price.
How To Choose The Right Diamond For You
When deciding between lab-grown vs. natural diamonds, focus on what matters most to you:
1. Budget
- If you want the largest size or the highest diamond quality for your budget, lab-grown diamonds are a strong choice.
- If your budget allows and you value rarity, natural diamonds may be worth the investment.
2. Meaning & Symbolism
- Some people are drawn to the story behind natural diamonds, formed over billions of years.
- Others prefer the innovation and availability of lab-created diamonds.
Neither is wrong; it’s about what strikes a chord with you.
3. Long-Term Perspective
Ask yourself:
- Is this purely sentimental?
- Do you care about resale or heirloom value?
Natural diamonds typically align more with long-term value, while lab-grown diamonds maximize immediate flexibility and value.
4. Diamond Certification
No matter which option you choose, diamond certification is essential.
Look for grading from trusted labs such as:
- GIA
- IGI
Certification assures transparency in cut, colour, clarity, and carat weight.
Engagement Rings: What Couples Are Choosing Today
The market is shifting.
Many modern couples are choosing lab-grown diamonds in Winnipeg because of their affordability and flexibility, especially when designing a custom engagement ring.
At the same time, natural diamonds remain highly desirable for their limited availability and emotional importance.
According to industry insights, the decision is increasingly personal rather than traditional.
Final Thoughts: Lab-Grown Vs. Natural Diamonds
The debate around lab-grown vs. natural diamonds isn’t about right or wrong; it’s about what is right for you.
- Choose lab-grown diamonds if you want the largest size and the highest value.
- Choose natural diamonds if you value rarity and long-term significance.
Both are real diamonds. Both are beautiful. Both can be the perfect centre stone for your engagement ring.
The best choice is the one that reflects your priorities and your story.
Explore Your Options
If you’re still deciding between lab-grown or natural diamonds, we are here to help.
At Omori, we work with both lab-grown and natural diamonds to create custom engagement rings in Winnipeg, crafted to your vision. We’ll guide you through the differences, show you side-by-side comparisons, and help you choose with confidence.
Book a consultation today and design a ring that truly reflects you.