3 Carat Lab Grown Diamond Rings

They say 3’s a charm and we couldn’t agree more. Especially when it comes to a lab grown diamond in a luxurious 3 carat size.

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Natural

Lab Grown

Moissanite

59 products

Lab Grown Diamond

Lucy Lab Grown Diamond Ring

3.5 Total Carat · Oval · Hidden Halo · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

$3,340

From $1,648

45% off

Lab Grown Diamond

Sophia Lab Grown Diamond Ring

3.5 Total Carat · Pear · Halo · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

$3,500

From $1,728

45% off

Lab Grown Diamond

Audrey Lab Grown Diamond Ring

3.5 Total Carat · Elongated Radiant · Side Stones · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

$3,120

From $1,528

45% off

Lab Grown Diamond

Royal Lab Grown Diamond Ring

3.5 Total Carat · Emerald · Side Stones · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

$3,190

From $1,552

46% off

Lab Grown Diamond

Stephanie Lab Grown Diamond Ring

3.3 Total Carat · Oval · Side Stones · 14K White Gold

3.3 1.3 1.8 2.3 4.3 +6 Variants

$3,100

From $1,528

45% off

Lab Grown Diamond

Bell Lab Grown Diamond Ring

3.4 Total Carat · Oval · Side Stones · 14K White Gold

3.4 1.4 1.9 2.4 4.4 +6 Variants

$2,840

From $1,368

46% off

Lab Grown Diamond

Skylar Lab Grown Diamond Ring

3.5 Total Carat · Elongated Radiant · 3 Stones · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

$3,750

From $1,808

46% off

Lab Grown Diamond

Kamala Lab Grown Diamond Ring

3.5 Total Carat · Oval · 3 Stones · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

$3,420

From $1,640

46% off

Lab Grown Diamond

Joana Lab Grown Diamond Ring

3.5 Total Carat · Elongated Radiant · Hidden Halo · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

$3,970

From $2,056

43% off

Lab Grown Diamond

Phoenix Lab Grown Diamond Ring

3.0 Total Carat · Emerald · Solitaire · 14K White Gold

3.0 1.0 1.5 2.0 4.0 +6 Variants

$2,500

From $1,200

46% off

Lab Grown Diamond

Valeria Lab Grown Diamond Ring

3.5 Total Carat · Round · Hidden Halo · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

$3,250

From $1,616

45% off

Lab Grown Diamond

Lola Lab Grown Diamond Ring

3.5 Total Carat · Round · Hidden Halo · 14K White Gold

3.5 3.0 4.0 5.0 6.0 +6 Variants

$4,320

From $2,120

51% off

Lab Grown Diamond

Molly Lab Grown Diamond Ring

3.0 Total Carat · Round · Side Stones · 14K White Gold

3.0 2.0 2.5 4.0 5.0 +6 Variants

$3,670

From $1,776

52% off

Lab Grown Diamond

Amanda Lab Grown Diamond Ring

3.0 Total Carat · Elongated Cushion · 3 Stones · 14K White Gold

3.0 2.0 2.5 4.0 5.0 +6 Variants

$3,840

From $1,840

52% off

Lab Grown Diamond

Harriet Lab Grown Diamond Ring

3.1 Total Carat · Oval · Hidden Halo · 14K White Gold

3.1 1.1 1.6 2.1 4.1 +6 Variants

$2,720

From $1,328

45% off

Lab Grown Diamond

Skylar Lab Grown Diamond Ring

3.5 Total Carat · Round · 3 Stones · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

$3,550

From $1,704

46% off

Lab Grown Diamond

Celeste Lab Grown Diamond Ring

3.5 Total Carat · Square Cushion · Halo · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

$3,350

From $1,656

45% off

Lab Grown Diamond

Joana Lab Grown Diamond Ring

3.5 Total Carat · Elongated Cushion · Hidden Halo · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

$3,970

From $2,056

43% off

Lab Grown Diamond

Marina Lab Grown Diamond Ring

3.5 Total Carat · Elongated Radiant · Halo · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

$3,470

From $1,744

45% off

Lab Grown Diamond

Adaline Lab Grown Diamond Ring

3.0 Total Carat · Pear · Solitaire · 14K White Gold

3.0 1.0 1.5 2.0 4.0 +6 Variants

$2,600

From $1,256

46% off

Lab Grown Diamond

Priscilla Lab Grown Diamond Ring

3.1 Total Carat · Elongated Cushion · Hidden Halo · 14K White Gold

3.1 1.1 1.6 2.1 4.1 +6 Variants

$2,740

From $1,336

45% off

Lab Grown Diamond

Jessica Lab Grown Diamond Ring

3.0 Total Carat · Round · Solitaire · 14K White Gold

3.0 1.0 1.5 2.0 4.0 +6 Variants

$2,550

From $1,224

46% off

Lab Grown Diamond

Giselle Lab Grown Diamond Ring

3.5 Total Carat · Round · Side Stones · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

$3,570

From $1,736

46% off

Lab Grown Diamond

Stephanie Lab Grown Diamond Ring

3.3 Total Carat · Princess · Side Stones · 14K White Gold

3.3 1.3 1.8 2.3 4.3 +6 Variants

$3,040

From $1,496

45% off

Lab Grown Diamond

Cruz Lab Grown Diamond Ring

1.5 Total Carat · Emerald · 3 Stones · 14K White Gold

1.5 2.0 2.5 3.0 4.0 +7 Variants

$4,340

From $2,176

37% off

Lab Grown Diamond

Emanuela Lab Grown Diamond Ring

1.5 Total Carat · Oval · 3 Stones · 14K White Gold

1.5 2.0 2.5 3.0 4.0 +7 Variants

$3,370

From $1,616

40% off

Lab Grown Diamond

Keyshawna Lab Grown Diamond Ring

3.5 Total Carat · Pear · 3 Stones · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

$3,550

From $1,704

46% off

Lab Grown Diamond

Samantha Lab Grown Diamond Ring

3.15 Total Carat · Round · Side Stones · 14K White Gold

3.15 1.15 1.65 2.15 4.15 +6 Variants

$3,150

From $1,528

46% off

Lab Grown Diamond

Luciana Lab Grown Diamond Ring

3.5 Total Carat · Elongated Cushion · Halo · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

$3,550

From $1,768

45% off

Lab Grown Diamond

Lissete Lab Grown Diamond Ring

3.65 Total Carat · Elongated Cushion · Halo · 14K White Gold

3.65 1.65 2.15 2.65 4.65 +6 Variants

$4,000

From $1,984

45% off

Lab Grown Diamond

Milani Lab Grown Diamond Ring

3.0 Total Carat · Oval · Solitaire · 14K White Gold

3.0 1.0 1.5 2.0 4.0 +6 Variants

$2,990

From $1,432

46% off

Lab Grown Diamond

Cruz Lab Grown Diamond Ring

7.0 Total Carat · Emerald · 3 Stones · 14K White Gold

7.0

$9,750

$5,850

40% off

Lab Grown Diamond

Nidia Lab Grown Diamond Ring

3.1 Total Carat · Marquise · Side Stones · 14K White Gold

3.1 2.1 2.6 4.1 5.1 +6 Variants

$3,970

From $1,912

52% off

Lab Grown Diamond

Jessica Lab Grown Diamond Ring

3.0 Total Carat · Princess · Solitaire · 14K White Gold

3.0 1.0 1.5 2.0 4.0 +6 Variants

$2,720

From $1,304

46% off

Lab Grown Diamond

Julianna Lab Grown Diamond Ring

3.0 Total Carat · Square Radiant · Solitaire · 14K White Gold

3.0 1.0 1.5 2.0 4.0 +6 Variants

$2,720

From $1,304

46% off

Own the Moment with a Stunning Ring With a 3 Carat Lab Grown Diamond

It’s a lavish way to acknowledge your love for one another with a 3 carat dazzler. When you wear a 3 carat diamond, you know it’s on your hand—because it owns the room. Others will find themselves catching one glance after another to admire the elegance of a diamond this size.

Because it’s a chic lab grown diamond, you know it will be the brightest, most brilliant stone you’ve ever seen. You want perfection? A three carat lab grown diamond shows how it’s done. But be prepared for looks of admiration, and may we say envy?

It’s no wonder. A 3 carat lab diamond displays all the charm you could ever want in a stunning diamond minus the flaws usually seen in a stone of this size. You’ll marvel at the clarity, the color, and its precision polishing. On a stone this size, you know extra care is given to every minute detail—right down to the precise facet angles, the facet junctions and everything that makes a world-class stone so memorable. Lucky you.