When you're shopping for a diamond—whether for an engagement ring, anniversary gift, or investment—you'll inevitably face the same question: lab-grown or mined?
If you're confused, you're not alone. The diamond industry has spent decades promoting mined diamonds as the only "real" choice. But here's the truth: lab-grown diamonds are chemically, physically, and optically identical to mined diamonds. The difference? Everything else.
What's Actually Different?
Let's start with what's the same: A lab-grown diamond and a mined diamond are both 100% diamond. Same crystal structure. Same durability (10 on the Mohs hardness scale). Same sparkle and brilliance. If you put them side by side under magnification, even a gemologist would need their certification to tell the difference.
The actual differences are origin and price:
Origin: Mined diamonds form naturally in the Earth over billions of years. Lab-grown diamonds are created in controlled laboratory environments using High Pressure High Temperature (HPHT) or Chemical Vapor Deposition (CVD) technology—mimicking natural conditions in weeks.
Price: Lab-grown diamonds cost 40-50% less than their mined equivalents. A 1.5-carat lab-grown diamond might cost R45,000 while an identical mined diamond costs R75,000+.
Environmental Impact: Mining diamonds requires significant environmental disruption. Lab-growing requires electricity—which is increasingly renewable.
Certification: Both receive IGI (International Gemological Institute) certification. The certificate literally discloses whether it's lab-grown or mined—there's no hiding it.
The 4 Cs: Are They Different?
No. Both lab-grown and mined diamonds are graded on the same 4 Cs: Cut, Color, Clarity, and Carat weight. A VS1 clarity lab-grown diamond has the same clarity as a VS1 mined diamond. A D color lab-grown has the same colorlessness as a D color mined.
This is important: you're not getting "lesser quality" lab-grown. You're getting identical quality for significantly less money.
The Real Question: Why Is Lab-Grown Cheaper?
Because creating a diamond in a lab is faster and cheaper than extracting one from the earth. No multi-million-rand mining equipment. No environmental restoration costs. No decades of geological formation. Just technology, time, and electricity.
This isn't a flaw—it's an advantage. You save money without sacrificing quality.
What About Resale Value?
Honest answer: lab-grown diamonds typically have lower resale value than mined diamonds. This is changing as the market matures, but it's worth knowing. If you're buying a diamond as an investment or heirloom, this matters. If you're buying a diamond to wear and enjoy, it doesn't.
For most buyers, the 40-50% savings on purchase price more than offset any potential resale difference.
Are Lab-Grown Diamonds "Real"?
Yes. Absolutely. They're certified by the same institutions (IGI, GIA) as mined diamonds. They have the same physical and chemical properties. They'll last just as long—literally forever.
The only thing "artificial" about lab-grown diamonds is the marketing narrative you've been sold. The diamonds themselves are 100% real.
The Bottom Line
If you care about ethical sourcing, environmental impact, and getting maximum value for your money, lab-grown diamonds make sense. If you need a mined diamond for specific reasons (investment, specific diamond that only exists in mined form, resale value), that's legitimate too.
The key: don't let anyone convince you that one is objectively "better." They're different. And different is okay.
Ready to explore lab-grown diamonds? Our Diamond Search tool lets you filter by shape, carat weight, clarity, and color. All IGI certified. All backed by our expertise. Browse Lab-Grown Diamonds