Can You Tell Which Diamond Is Lab-Grown?

Five rounds. Two diamonds each. One is lab-grown, one is natural. Or are they? Pick the lab-grown diamond. If you can.

Round 1 of 5
Round 1.54ct D VVS2 diamond
Diamond A
1.54ct Round · D · VVS2
Oval 2.5ct F VS1 diamond
Diamond B
2.5ct Oval · F · VS1
Both are lab-grown diamonds.
Lab-grown diamonds have the same carbon crystal structure as mined diamonds. Atom for atom, they are identical.
Your score: 0 / 1
Round 2 of 5
Emerald 2.1ct F VVS1 diamond
Diamond A
2.1ct Emerald · F · VVS1
Long cushion 3.1ct D VS1 diamond
Diamond B
3.1ct Long cushion · D · VS1
Both lab-grown. Again.
IGI and GIA grade lab-grown diamonds on the exact same 4C scale as mined stones. Same standards, same rigor.
Your score: 0 / 2
Round 3 of 5 · Video Round
Diamond A
3.02ct Pear · D · VS1
Diamond B
3.58ct Princess · E · VS1
Both lab-grown.
This diamond would cost $8,200 if it were mined. Ours is $2,400. Same stone. Different origin.
Your score: 0 / 3
Round 4 of 5
Radiant 3.59ct E VS2 diamond
Diamond A
3.59ct Radiant · E · VS2
Marquise 3.08ct F VS1 diamond
Diamond B
3.08ct Marquise · F · VS1
Both IGI-certified lab-grown diamonds.
Even professional gemologists need specialized equipment to tell the difference. To the naked eye, there is none.
Your score: 0 / 4
Round 5 of 5
Pear 2.93ct D VS1 diamond
Diamond A
2.93ct Pear · D · VS1
Oval 3.03ct E VVS2 diamond
Diamond B
3.03ct Oval · E · VVS2
Same diamond, two angles. It is lab-grown.
The FTC classifies lab-grown diamonds as real diamonds. Because they are.
Your score: 0 / 5

You scored 0 out of 5.

So did everyone else.

That's the point. A lab-grown diamond is a real diamond. Same carbon, same fire, same brilliance. The only difference is origin. And price.

The diamonds in this quiz retail from $1,200 to $4,800. The same stones mined? $4,500 to $18,000. Same sparkle. Different story.
Book a Studio Visit Design Your Ring

Haejin Jewelry · 123 Skillman Ave STO, Williamsburg, Brooklyn, NY 11211 · Walk-ins welcome · Appointments available

Ring Concierge