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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.

51 Results

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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 Wedding Band 21 Diamonds 1/5 ctw - That Guy's Secret
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14K White Gold Lab Grown Wedding Band 21 Diamonds 1/5 ctw

$1,600.00

14K White Gold Lab Grown Wedding Band 1/5 ctw-Ring-That Guy's Secret
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14K White Gold Lab Grown Wedding Band

from $1,149.00

14k Yellow Gold Lab Grown 1 1/5ctw Semi Mount Wedding Ring for 1 1/2ct Round Center-Ring-That Guy's Secret
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14k Yellow Gold Lab Grown 1 1/5ctw Semi Mount Wedding Ring for 1 1/2ct Round Center

$2,999.00

14k White Gold Lab Grown 1/2ctw Semi Mount Wedding Ring for 2ct Oval Center-Ring-That Guy's Secret
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14k White Gold Lab Grown 1/2ctw Semi Mount Wedding Ring for 2ct Oval Center

$1,999.00

14k Yellow Gold Lab Grown 5/8ctw Semi Mount Wedding Ring for 2ct Oval Center-Ring-That Guy's Secret
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14k Yellow Gold Lab Grown 5/8ctw Semi Mount Wedding Ring for 2ct Oval Center

$1,999.00

14k White Gold Lab Grown 1/2ctw Semi Mount Wedding Ring for 2ct Oval Center-Ring-That Guy's Secret
14k White Gold Lab Grown 1/2ctw Semi Mount Wedding Ring for 2ct Oval Center-Ring-That Guy's Secret
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14k White Gold Lab Grown 1/2ctw Semi Mount Wedding Ring for 2ct Oval Center

$1,899.00

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

$2,799.00

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

$2,999.00

14K White Gold 3 Stone Lab Grown 1.60ctw 3 Stone Round Ring with 1ct Pear Center-Ring-That Guy's Secret
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14K White Gold 3 Stone Lab Grown 1.60ctw 3 Stone Round Ring with 1ct Pear Center

$3,399.00

14K White Gold 3 Stone Lab Grown 1.60ctw 3 Stone Round Ring with 1ct Oval Center-Ring-That Guy's Secret
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14K White Gold 3 Stone Lab Grown 1.60ctw 3 Stone Round Ring with 1ct Oval Center

$3,399.00

14K White Gold 3 Stone Lab Grown 2 Round 1/4ct Diamonds With 1ct Round Center Diamond 1.80cttw-Ring-That Guy's Secret
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14K White Gold 3 Stone Lab Grown 2 Round 1/4ct Diamonds With 1ct Round Center Diamond 1.80cttw

$3,399.00

14K White Gold 3 Stone Lab Grown 2 Emarld Cut 1/4ct Diamonds With 1ct Emerald Center Diamond 1.80cttw-Ring-That Guy's Secret
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14K White Gold 3 Stone Lab Grown 2 Emarld Cut 1/4ct Diamonds With 1ct Emerald Center Diamond 1.80cttw

$3,799.00

14K White Gold Lab Grown 5 Stone Round Cut Diamond Band 2ctw-Ring-That Guy's Secret
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14K White Gold Lab Grown 5 Stone Round Cut Diamond Band 3ctw

$5,799.00