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Lab-grown Diamonds

💎 That Guy’s Secret Definition:

Lab-grown diamonds are the real deal—just with a smarter backstory. Grown in a lab using cutting-edge tech (think science flex meets sparkle), these diamonds are chemically and visually identical to mined ones, minus the drama and dirt.

Same fire. Same brilliance. Same "wow" effect—just a cleaner conscience and often a better price tag. At That Guy’s Secret, we call that a win-win.

32 Results

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Tundra Heishi Bead Bracelet

Tundra (Labradorite / Aquamarine / Moonstone) Heishi Bead Bracelet, 8.25"

$99.00

14Kt Yellow Gold Lab Grown 2Ctw Oval Center Solitaire with 1 /15ctw Hidden Halo-Ring-That Guy's Secret

14Kt Yellow Gold Lab Grown 2Ctw Oval Center Solitaire with 1 /15ctw Hidden Halo

$4,799.00

10K White Gold Lab Sapphire Diamond Ring-Ring-That Guy's Secret
50% Off

10K White Gold Lab-Created Sapphire & Diamond Ring

$1,400.00

14K White Gold Lab Grown Cross Pendant 1/4ctw-Necklace-That Guy's Secret

14K White Gold Lab Grown Cross Pendant 1 ctw

$2,199.00

14k White Gold Lab Grown 1 1/6 ctw with 1 ctw Round Brilliant Diamond Center and Twist Diamond Band Ring - That Guy's Secret

14k White Gold Lab Grown 1 1/6 ctw with 1 ctw Round Brilliant Diamond Center and Twist Diamond Band Ring

$5,099.00

14k Gold Lab Grown 1 5/8 with 1 1/2 ctw Round Brilliant Diamond Ring with Hidden Halo - That Guy's Secret

14k Gold Lab Grown 1 5/8 with 1 1/2 ctw Round Brilliant Diamond Ring with Hidden Halo

$3,700.00

14k White Gold Lab Grown 2 1/10Cctw with 1 1/2 ctw Oval Brilliant Diamond and Patterned Band Ring-Ring-That Guy's Secret

14k White Gold Lab Grown 2 1/10Cctw with 1 1/2 ctw Oval Brilliant Diamond and Patterned Band Ring

$3,800.00

14k White Gold Lab Grown 2 5/8Cctw with 2 ctw Oval Diamond center Ring-Ring-That Guy's Secret

14k White Gold Lab Grown 2 5/8Cctw with 2 ctw Oval Diamond center Ring

$5,000.00

14Kt White Gold Lab Grown 3 1/8Ctw With 3Ctw Radiant Center Solitaire & Hidden Halo - That Guy's Secret

14Kt White Gold Lab Grown 3 1/8Ctw With 3Ctw Radiant Center Solitaire & Hidden Halo

$6,200.00

14k White Gold Lab Grown1 3/4Cctw with 1 1/2 ctw Round Brilliant Diamond Ring - That Guy's Secret

14k White Gold Lab Grown 1 3/4Cctw with 1 1/2 ctw Round Brilliant Diamond Ring

$3,499.00

14K White Gold Lab Grown .40ct Pear Center Twist Ring with Round Halo-Ring-That Guy's Secret

14K White Gold Lab Grown .42ct Pear Center Twist Ring with Round Halo

$2,999.00

14K White Gold Lab Grown 5 Stone Oval Cut Diamond Band 2ctw-Ring-That Guy's Secret

14K White Gold Lab Grown 5 Stone Oval Cut Diamond Band 2 1/10 ctw

$4,999.00

14K White Gold Lab Grown In-Out Hoops 1/2CTW-Earrings-That Guy's Secret

14K White Gold Lab Grown In-Out Hoops 1/2CTW

$2,299.00

2.00 EVS1 LAB MQ-DIAMOND-That Guy's Secret

2.00 EVS1 LAB MQ

$2,400.00

1.63 LAB EVS1 OV-DIAMOND-That Guy's Secret

1.63 LAB EVS1 OV

$1,800.00

1.80 Lab EVS1 RD-DIAMOND-That Guy's Secret

1.80 Lab EVS1 RD

$1,600.00