Free standard shipping and returns on all orders

Free standard shipping and returns on all orders

Your cart

Your cart is empty

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.

43 Results

14K White Gold Lab Grown 5 Stone Oval Cut Diamond Band 2ctw-Ring-That Guy's Secret
14K White Gold Lab Grown Matching Wedding Band for ARGO1620-Ring-That Guy's Secret
14K White Gold Lab Grown Twisted Wedding Band 1/8ctw-Ring-That Guy's Secret
14K White Gold Lab Grown Solitaire Pendant 2ctw-Necklace-That Guy's Secret

14K White Gold Lab Grown Solitaire Pendant 1/2-2ctw

from $1,175.00

Unit price
per 

14K White Gold Lab Grown Heart Pendant 3/4ctw-Necklace-That Guy's Secret

14K White Gold Lab Grown Heart Pendant 3/4ctw

$1,799.00

Unit price
per 

14K White Gold Lab Grown Heart Pendant 1/2ctw-Necklace-That Guy's Secret

14K White Gold Lab Grown Heart Pendant 1/2ctw

$1,399.00

Unit price
per 

14K White Gold Lab Grown Heart Pendant 1/4ctw-Necklace-That Guy's Secret
14K White Gold Lab Grown Cross Pendant 3/4ctw-Necklace-That Guy's Secret

14K White Gold Lab Grown Cross Pendant 3/4ctw

$1,799.00

Unit price
per 

14K White Gold Lab Grown Cross Pendant 1/2ctw-Necklace-That Guy's Secret

14K White Gold Lab Grown Cross Pendant 1/2ctw

$1,399.00

Unit price
per 

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