What Are Lab-Grown Diamonds? Everything You Need to Know

When shopping for an engagement ring or fine jewelry, you may have come across the term lab-grown diamonds. But what exactly are they? Are they real diamonds? How do they compare to natural ones?

Whether you're new to the idea or seriously considering a lab-grown diamond ring, this guide breaks down everything you need to know—from how they’re made to why they’re gaining popularity.

???? What Are Lab-Grown Diamonds?

Lab-grown diamonds, also known as man-made or engineered diamonds, are real diamonds created in a controlled laboratory environment using advanced technology that mimics the natural diamond formation process.

They have the same physical, chemical, and optical properties as mined diamonds. The only difference? Instead of forming underground over billions of years, lab-grown diamonds are created in a matter of weeks.

???? How Are Lab-Grown Diamonds Made?

There are two main methods for growing diamonds in a lab:

1. High Pressure High Temperature (HPHT)

This method simulates the intense pressure and heat found deep within the Earth’s mantle. A small diamond seed is placed in carbon and exposed to extreme conditions until it grows into a larger diamond.

2. Chemical Vapor Deposition (CVD)

In this process, a diamond seed is placed in a vacuum chamber filled with carbon-rich gases. When heated, the gases break down and carbon atoms slowly accumulate on the seed, forming a diamond layer by layer.

Both methods produce authentic diamonds, certified by the same gemological labs (like GIA or IGI) that grade mined diamonds.

✅ Are Lab-Grown Diamonds Real?

Yes! Lab-grown diamonds are 100% real diamonds. They’re not simulants like cubic zirconia or moissanite. When viewed under a microscope or tested with standard tools, lab-grown diamonds exhibit the same brilliance, hardness (10 on the Mohs scale), and sparkle as natural diamonds.

???? Why Choose a Lab-Grown Diamond?

1. More Affordable

Lab-grown diamonds can cost 30–50% less than natural diamonds of the same quality and size—making them a smart choice for budget-conscious buyers.

2. Ethical Sourcing

Unlike mined diamonds, lab-grown diamonds don’t involve environmentally destructive mining or concerns over unethical labor practices.

3. Eco-Friendly

Producing diamonds in a lab typically has a smaller carbon footprint and uses less water and land than traditional mining.

4. Visually Identical

Even expert gemologists often need advanced tools to distinguish lab-grown from natural diamonds. To the naked eye, they are indistinguishable.

???? Lab-Grown vs. Natural Diamonds: Key Differences

???? Are They Certified?

Absolutely. Lab-grown diamonds are graded and certified by respected gemological labs like:

• GIA (Gemological Institute of America)

• IGI (International Gemological Institute)

• GCAL (Gem Certification & Assurance Lab)

Your diamond will come with a grading report detailing the 4Cs: Cut, Color, Clarity, and Carat Weight.

???? Where to Buy Lab-Grown Diamonds in Toronto

If you're shopping for a lab-grown diamond ring in Toronto, you’re in luck. Many local jewelers specialize in sustainable, custom-designed lab-created diamond engagement rings. Look for jewelers who:

• Offer GIA/IGI-certified stones

• Provide custom design consultations

• Use recycled metals for added sustainability

• Have strong customer reviews and transparent pricing

???? Final Thoughts

Lab-grown diamonds are revolutionizing the jewelry industry. They offer beauty, brilliance, and ethical peace of mind—all at a lower cost. Whether you’re shopping for a classic solitaire or a modern custom piece, lab-grown diamonds are a brilliant option for today’s conscious consumer.

Looking to create a lab-grown diamond ring? Book a consultation with our expert designers and bring your dream ring to life—sustainably and stunningly.