Everything you need to choose with confidence — what lab-grown diamonds are, how
they're graded, and why they're a brilliant, conflict-free choice. Reviewed for accuracy by
our in-house team.
What Is a Lab Grown Diamond?
A lab-grown diamond is a real diamond, grown in a controlled setting instead of mined from the earth. It's the same pure carbon in the same crystal structure — which is what gives every diamond its hardness, brilliance, and fire. Grown from a tiny carbon seed (via HPHT or CVD), then cut, polished, and graded just like a
mined diamond. Same diamond, kinder origin.
Are Lab Grown Diamonds Real?
Yes — completely. Lab-grown diamonds are chemically, physically, and optically identical to mined ones, and graded by the same standards. They aren't imitations like cubic zirconia or moissanite; they are diamonds. The only difference is that ours are grown, not dug the same sparkle, certified and conflict-free.
Lab Grown vs. Natural Diamond: Side-by-Side Comparison
Here is how a lab grown diamond and a natural diamond compare across key characteristics.
| Characteristic | Lab Grown Diamond | Natural Diamond |
|---|---|---|
| Composition | Pure crystalline carbon |
Pure crystalline carbon |
| Durability | 10 on the Mohs scale |
10 on the Mohs scale |
| Brilliance | Refractive index ranges from 2.417 to 2.419 |
Refractive index ranges from 2.417 to 2.419 |
| Color | Primarily colorless, but can also occur in many color options that are often more vivid than natural options |
Primarily colorless, but can also occur in many color options including pink, blue, and yellow |
| Grading | Graded on cut, color, clarity, and carat |
Graded on cut, color, clarity, and carat |
| Certification | Certified by reputable gemological institutions |
Certified by reputable gemological institutions |
| Origin | Grown in controlled laboratories over several days to weeks, then cut and polished |
Formed deep in the earth over billions of years, mined, cut, and polished |
| Rarity | Can be produced in increasing quantities as technology advances |
Limited quantities based on geological conditions |
| Price | Lower cost due to availability |
Higher cost due to mining and rarity |
What Do the 4Cs Mean?
Cut shapes how a diamond catches light the biggest driver of sparkle. Colour runs from icywhite (D) down the scale. Clarity is how few natural marks it has. Carat is its weight, not its size. A well-cut stone can outshine a larger, poorly-cut one so balance all four to what matters most.
Are Geora Diamonds Certified?
Every Geora diamond arrives with its IGI
certification — an independent grading of your exact stone's 4Cs. Because they're grown, not mined, they're conflict-free by design: no mining, fully traceable, and gentler on the planet. Beautiful, and easy to feel good about.