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15% off engagement rings
No code needed

ONLINE ONLY | ENDS 4/17

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15% off wedding bands
No code needed

ONLINE ONLY | ENDS 4/17

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$150 off purchases $999+, $300 off purchases $1,999+
Use code: CELEBRATE

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15% Off Engagement Rings $1,999+
Use code: YES15

ONLINE ONLY

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$50 Off purchases $299+
Use code: TAKE50

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20% off Outlet
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ENDS 4/19

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April birthstones up to $200 off select white sapphire styles
No code needed

ENDS 4/30

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Free standard shippping on orders $99+
No code needed

LIMITED TIME ONLY

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All Deals
Find something special

LIMITED TIME ONLY

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3 Carat Lab Grown Engagement Rings

When you're ready to make a statement that reflects the depth of your commitment, 3 carat lab grown engagement rings offer the perfect balance of breathtaking beauty and attainable value. These stunning pieces deliver all the brilliance and fire you'd expect from a premium diamond while allowing you to celebrate your love story without compromise.

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Helzberg Lab Grown Diamonds Lab Grown Diamond Solitaire Marquise Engagement Ring in 14k White Gold (3 ct.)

Price reduced from $4,999.00 to $3,999.00
Metal :
14K White Gold

Helzberg Lab Grown Diamonds Lab Grown Diamond Oval Solitaire Engagement Ring in 14K White Gold (3 ct.)

Price reduced from $4,999.00 to $3,999.00
Metal :
14K White Gold

Helzberg Lab Grown Diamonds Lab Grown Diamond Wedding Set in 14K Yellow Gold (3 ½ ct. tw.)

Price reduced from $5,999.00 to $3,999.00
Metal :
14K Yellow Gold

Helzberg Lab Grown Diamonds Lab Grown Diamond Wedding Set in 14K White Gold (3 ½ ct. tw.)

Price reduced from $5,999.00 to $3,999.00
Metal :
14K White Gold

Helzberg Lab Grown Diamonds Lab Grown Diamond Pear-Shaped Solitaire Engagement Ring in 14k White Gold (3 ct.)

Price reduced from $4,999.00 to $3,999.00
Metal :
14K White Gold

Helzberg Lab Grown Diamonds Lab Grown Diamond Princess-Cut Solitaire Engagement Ring in 14K White Gold (3 ct.)

Price reduced from $4,999.00 to $3,999.00
Metal :
14K White Gold

Helzberg Lab Grown Diamonds Lab Grown Diamond Oval Solitaire Engagement Ring in 14K White Gold (3 ct.)

Price reduced from $4,999.00 to $3,999.00
Metal :
14K White Gold

Helzberg Lab Grown Diamonds Lab Grown Diamond Radiant-Cut Solitaire Ring in 14K White Gold (3 ct.)

Price reduced from $4,999.00 to $3,999.00
Metal :
14K White Gold

Helzberg Lab Grown Diamonds Lab Grown Diamond Solitaire Marquise Engagement Ring in 14k White Gold (3 ct.)

Price reduced from $4,999.00 to $3,999.00
Metal :
14K White Gold

Helzberg Lab Grown Diamonds Lab Grown Diamond Princess-Cut Solitaire Engagement Ring in 14K White Gold (3 ct.)

Price reduced from $4,999.00 to $3,999.00
Metal :
14K White Gold

Helzberg Lab Grown Diamonds Lab Grown Diamond Heart-Shaped Solitaire Ring in 14K Yellow & White Gold (3 ct.)

Price reduced from $4,999.00 to $3,999.00
Metal :
14K Yellow Gold

Helzberg Lab Grown Diamonds Lab Grown Diamond Square Solitaire Ring in 14K Yellow & White Gold (3 ct.)

Price reduced from $4,999.00 to $3,999.00
Metal :
14K Yellow Gold

Helzberg Lab Grown Diamonds Lab Grown Diamond Asscher Cut Solitaire Ring in 14K Yellow and White Gold (3 ct. tw.)

Price reduced from $4,999.00 to $3,999.00
Metal :
14K Yellow Gold

Helzberg Lab Grown Diamonds Lab Grown Diamond Emerald-Cut Solitaire Ring in 14k White Gold (3 ct.)

Price reduced from $4,999.00 to $3,999.00
Metal :
14K White Gold

Helzberg Lab Grown Diamonds Lab Grown Diamond Emerald-Cut Halo Engagement Ring in 14K Yellow Gold (4 ct. tw.)

Price reduced from $7,999.00 to $4,999.00
Metal :
14K Yellow Gold

Helzberg Lab Grown Diamonds Lab Grown Diamond Oval Engagement Ring in 14K Yellow Gold (4 ct. tw.)

Price reduced from $6,999.00 to $4,999.00
Metal :
14K Yellow Gold

Shop 3 Carat Lab Grown Engagement Rings at Helzberg

At Helzberg, we understand that your engagement ring is more than just jewelry—it's a symbol of your unique journey together. Our collection of 3 carat lab grown engagement rings features expertly crafted settings that showcase these diamonds’ size and sparkle.

A diamond of this scale is undeniably eye-catching. Whether you prefer the clean simplicity of a solitaire or the added radiance of a halo, you'll find exceptional quality at remarkable value.

Our lab-grown diamonds are chemically, physically, and optically identical to natural diamonds. They are created using advanced technology in controlled laboratory environments. Each diamond is carefully graded and certified to meet our exacting standards, ensuring you receive a stone worthy of life’s most important moments.

3 Carat Lab Grown Engagement Rings for Every Style

From timeless round brilliants to sophisticated emerald cuts, our 3 carat collection offers shapes to complement every personal style. Oval diamonds bring graceful length to the finger, while cushion cuts evoke vintage charm. Each ring in our collection is designed to become a cherished heirloom.

Ready to find the ring that tells your story? Explore our full collection of lab grown diamond engagement rings or visit our engagement ring buying guide for expert guidance on choosing the perfect piece.