Home 3 Carat Lab Grown Diamond Rings

3 Carat Lab Grown Diamond Rings

Fine jewelry in solid gold and platinum, made to order in our Los Angeles atelier.

The Donna cushion engagement ring setting in 14K Rose Gold | RockHer
The Donna Cathedral French Pavé Solitaire Cushion Cut Engagement Ring Setting in 14K Rose Gold
Cathedral French Pavé Solitaire Cushion Cut · 14K Rose Gold
$2,515.00
The Donna emerald engagement ring setting in 14K Rose Gold | RockHer
The Donna Cathedral French Pavé Solitaire Emerald Cut Engagement Ring Setting in 14K Rose Gold
Cathedral French Pavé Solitaire Emerald Cut · 14K Rose Gold
$2,515.00
The Donna heart engagement ring setting in 14K Rose Gold | RockHer
The Donna Cathedral French Pavé Solitaire Heart Engagement Ring Setting in 14K Rose Gold
Cathedral French Pavé Solitaire Heart · 14K Rose Gold
$2,425.00
The Donna marquise engagement ring setting in 14K Rose Gold | RockHer
The Donna Cathedral French Pavé Solitaire Marquise Engagement Ring Setting in 14K Rose Gold
Cathedral French Pavé Solitaire Marquise · 14K Rose Gold
$2,425.00
The Stevie asscher engagement ring setting in 14K Rose Gold | RockHer
The Stevie Contemporary Channel Asscher Cut Engagement Ring Setting in 14K Rose Gold
Contemporary Channel Asscher Cut · 14K Rose Gold
$2,145.00
The Stevie cushion engagement ring setting in 14K Rose Gold | RockHer
The Stevie Contemporary Channel Cushion Cut Engagement Ring Setting in 14K Rose Gold
Contemporary Channel Cushion Cut · 14K Rose Gold
$2,145.00
The Stevie emerald engagement ring setting in 14K Rose Gold | RockHer
The Stevie Contemporary Channel Emerald Cut Engagement Ring Setting in 14K Rose Gold
Contemporary Channel Emerald Cut · 14K Rose Gold
$2,145.00
The Stevie heart engagement ring setting in 14K Rose Gold | RockHer
The Stevie Contemporary Channel Heart Engagement Ring Setting in 14K Rose Gold
Contemporary Channel Heart · 14K Rose Gold
$2,235.00
The Stevie marquise engagement ring setting in 14K Rose Gold | RockHer
The Stevie Contemporary Channel Marquise Engagement Ring Setting in 14K Rose Gold
Contemporary Channel Marquise · 14K Rose Gold
$2,235.00
The Stevie oval engagement ring setting in 14K Rose Gold | RockHer
The Stevie Contemporary Channel Oval Engagement Ring Setting in 14K Rose Gold
Contemporary Channel Oval · 14K Rose Gold
$2,145.00
The Stevie pear engagement ring setting in 14K Rose Gold | RockHer
The Stevie Contemporary Channel Pear Engagement Ring Setting in 14K Rose Gold
Contemporary Channel Pear · 14K Rose Gold
$2,145.00
The Stevie radiant engagement ring setting in 14K Rose Gold | RockHer
The Stevie Contemporary Channel Radiant Cut Engagement Ring Setting in 14K Rose Gold
Contemporary Channel Radiant Cut · 14K Rose Gold
$2,145.00
The Stevie round engagement ring setting in 14K Rose Gold | RockHer
The Stevie Contemporary Channel Round Engagement Ring Setting in 14K Rose Gold
Contemporary Channel Round · 14K Rose Gold
$2,145.00
The Kelly asscher engagement ring setting in 14K Rose Gold | RockHer
The Kelly Double Claw Prong French Pavé Asscher Cut Engagement Ring Setting in 14K Rose Gold
Double Claw Prong French Pavé Asscher Cut · 14K Rose Gold
$2,145.00
The Kelly princess engagement ring setting in 14K Rose Gold | RockHer
The Kelly Double Claw Prong French Pavé Princess Cut Engagement Ring Setting in 14K Rose Gold
Double Claw Prong French Pavé Princess Cut · 14K Rose Gold
$2,145.00
The Kelly pear engagement ring setting in 14K Rose Gold | RockHer
The Kelly Double Claw Prong French Pavé Pear Engagement Ring Setting in 14K Rose Gold
Double Claw Prong French Pavé Pear · 14K Rose Gold
$2,145.00
The Kelly radiant engagement ring setting in 14K Rose Gold | RockHer
The Kelly Double Claw Prong French Pavé Radiant Cut Engagement Ring Setting in 14K Rose Gold
Double Claw Prong French Pavé Radiant Cut · 14K Rose Gold
$2,145.00
The Kelly round engagement ring setting in 14K Rose Gold | RockHer
The Kelly Double Claw Prong French Pavé Round Engagement Ring Setting in 14K Rose Gold
Double Claw Prong French Pavé Round · 14K Rose Gold
$2,145.00
The Norah asscher engagement ring setting in 14K Rose Gold | RockHer
The Norah Classic Linear French Pavé Asscher Cut Engagement Ring Setting in 14K Rose Gold
Classic Linear French Pavé Asscher Cut · 14K Rose Gold
$2,425.00
The Norah cushion engagement ring setting in 14K Rose Gold | RockHer
The Norah Classic Linear French Pavé Cushion Cut Engagement Ring Setting in 14K Rose Gold
Classic Linear French Pavé Cushion Cut · 14K Rose Gold
$2,425.00
The Norah emerald engagement ring setting in 14K Rose Gold | RockHer
The Norah Classic Linear French Pavé Emerald Cut Engagement Ring Setting in 14K Rose Gold
Classic Linear French Pavé Emerald Cut · 14K Rose Gold
$2,425.00
The Norah heart engagement ring setting in 14K Rose Gold | RockHer
The Norah Classic Linear French Pavé Heart Engagement Ring Setting in 14K Rose Gold
Classic Linear French Pavé Heart · 14K Rose Gold
$2,145.00
The Norah marquise engagement ring setting in 14K Rose Gold | RockHer
The Norah Classic Linear French Pavé Marquise Engagement Ring Setting in 14K Rose Gold
Classic Linear French Pavé Marquise · 14K Rose Gold
$2,425.00
The Norah oval engagement ring setting in 14K Rose Gold | RockHer
The Norah Classic Linear French Pavé Oval Engagement Ring Setting in 14K Rose Gold
Classic Linear French Pavé Oval · 14K Rose Gold
$2,425.00
The Norah princess engagement ring setting in 14K Rose Gold | RockHer
The Norah Classic Linear French Pavé Princess Cut Engagement Ring Setting in 14K Rose Gold
Classic Linear French Pavé Princess Cut · 14K Rose Gold
$2,235.00
The Norah radiant engagement ring setting in 14K Rose Gold | RockHer
The Norah Classic Linear French Pavé Radiant Cut Engagement Ring Setting in 14K Rose Gold
Classic Linear French Pavé Radiant Cut · 14K Rose Gold
$2,235.00
The Norah round engagement ring setting in 14K Rose Gold | RockHer
The Norah Classic Linear French Pavé Round Engagement Ring Setting in 14K Rose Gold
Classic Linear French Pavé Round · 14K Rose Gold
$2,145.00
The Taylor asscher engagement ring setting in 14K Rose Gold | RockHer
The Taylor Pavé Halo Asscher Cut Engagement Ring Setting in 14K Rose Gold
Pavé Halo Asscher Cut · 14K Rose Gold
$4,165.00
The Taylor marquise engagement ring setting in 14K Rose Gold | RockHer
The Taylor Pavé Halo Marquise Engagement Ring Setting in 14K Rose Gold
Pavé Halo Marquise · 14K Rose Gold
$4,210.00
The Taylor oval engagement ring setting in 14K Rose Gold | RockHer
The Taylor Pavé Halo Oval Engagement Ring Setting in 14K Rose Gold
Pavé Halo Oval · 14K Rose Gold
$4,135.00
The Taylor pear engagement ring setting in 14K Rose Gold | RockHer
The Taylor Pavé Halo Pear Engagement Ring Setting in 14K Rose Gold
Pavé Halo Pear · 14K Rose Gold
$4,155.00
The Gwen cushion engagement ring setting in 14K Rose Gold | RockHer
The Gwen Double Row Micro Set Pavé Cushion Cut Engagement Ring Setting in 14K Rose Gold
Double Row Micro Set Pavé Cushion Cut · 14K Rose Gold
$3,640.00
The Gwen princess engagement ring setting in 14K Rose Gold | RockHer
The Gwen Double Row Micro Set Pavé Princess Cut Engagement Ring Setting in 14K Rose Gold
Double Row Micro Set Pavé Princess Cut · 14K Rose Gold
$3,690.00
The Gwen round engagement ring setting in 14K Rose Gold | RockHer
The Gwen Double Row Micro Set Pavé Round Engagement Ring Setting in 14K Rose Gold
Double Row Micro Set Pavé Round · 14K Rose Gold
$3,545.00
The Presley cushion engagement ring setting in 14K Rose Gold | RockHer
The Presley Split Shank Pavé Cushion Cut Engagement Ring Setting in 14K Rose Gold
Split Shank Pavé Cushion Cut · 14K Rose Gold
$3,770.00
The Presley princess engagement ring setting in 14K Rose Gold | RockHer
The Presley Split Shank Pavé Princess Cut Engagement Ring Setting in 14K Rose Gold
Split Shank Pavé Princess Cut · 14K Rose Gold
$3,770.00
The Presley round engagement ring setting in 14K Rose Gold | RockHer
The Presley Split Shank Pavé Round Engagement Ring Setting in 14K Rose Gold
Split Shank Pavé Round · 14K Rose Gold
$3,715.00
The Joss cushion engagement ring setting in 14K Rose Gold | RockHer
The Joss Double Row Prong French Pavé Cushion Cut Engagement Ring Setting in 14K Rose Gold
Double Row Prong French Pavé Cushion Cut · 14K Rose Gold
$2,890.00
The Joss princess engagement ring setting in 14K Rose Gold | RockHer
The Joss Double Row Prong French Pavé Princess Cut Engagement Ring Setting in 14K Rose Gold
Double Row Prong French Pavé Princess Cut · 14K Rose Gold
$2,890.00
The Joss round engagement ring setting in 14K Rose Gold | RockHer
The Joss Double Row Prong French Pavé Round Engagement Ring Setting in 14K Rose Gold
Double Row Prong French Pavé Round · 14K Rose Gold
$2,795.00
The Sadie cushion engagement ring setting in 14K Rose Gold | RockHer
The Sadie Twisted Pavé Cushion Cut Engagement Ring Setting in 14K Rose Gold
Twisted Pavé Cushion Cut · 14K Rose Gold
$5,020.00
The Sadie marquise engagement ring setting in 14K Rose Gold | RockHer
The Sadie Twisted Pavé Marquise Engagement Ring Setting in 14K Rose Gold
Twisted Pavé Marquise · 14K Rose Gold
$5,020.00
The Sadie princess engagement ring setting in 14K Rose Gold | RockHer
The Sadie Twisted Pavé Princess Cut Engagement Ring Setting in 14K Rose Gold
Twisted Pavé Princess Cut · 14K Rose Gold
$5,015.00
The Sadie pear engagement ring setting in 14K Rose Gold | RockHer
The Sadie Twisted Pavé Pear Engagement Ring Setting in 14K Rose Gold
Twisted Pavé Pear · 14K Rose Gold
$5,020.00
The Guthrie cushion engagement ring setting in 14K Rose Gold | RockHer
The Guthrie Floral Prong Halo Cushion Cut Engagement Ring Setting in 14K Rose Gold
Floral Prong Halo Cushion Cut · 14K Rose Gold
$2,985.00
The Guthrie princess engagement ring setting in 14K Rose Gold | RockHer
The Guthrie Floral Prong Halo Princess Cut Engagement Ring Setting in 14K Rose Gold
Floral Prong Halo Princess Cut · 14K Rose Gold
$2,985.00
The Guthrie round engagement ring setting in 14K Rose Gold | RockHer
The Guthrie Floral Prong Halo Round Engagement Ring Setting in 14K Rose Gold
Floral Prong Halo Round · 14K Rose Gold
$2,890.00
The Faith oval engagement ring setting in 14K Rose Gold | RockHer
The Faith Floral Prong Halo Oval Engagement Ring Setting in 14K Rose Gold
Floral Prong Halo Oval · 14K Rose Gold
$4,140.00
The Faith round engagement ring setting in 14K Rose Gold | RockHer
The Faith Floral Prong Halo Round Engagement Ring Setting in 14K Rose Gold
Floral Prong Halo Round · 14K Rose Gold
$4,105.00
The Etta asscher engagement ring setting in 14K Rose Gold | RockHer
The Etta Classic Shared Prong Halo Asscher Cut Engagement Ring Setting in 14K Rose Gold
Classic Shared Prong Halo Asscher Cut · 14K Rose Gold
$2,985.00
The Etta cushion engagement ring setting in 14K Rose Gold | RockHer
The Etta Classic Shared Prong Halo Cushion Cut Engagement Ring Setting in 14K Rose Gold
Classic Shared Prong Halo Cushion Cut · 14K Rose Gold
$2,985.00
The Etta heart engagement ring setting in 14K Rose Gold | RockHer
The Etta Classic Shared Prong Halo Heart Engagement Ring Setting in 14K Rose Gold
Classic Shared Prong Halo Heart · 14K Rose Gold
$2,985.00
The Etta marquise engagement ring setting in 14K Rose Gold | RockHer
The Etta Classic Shared Prong Halo Marquise Engagement Ring Setting in 14K Rose Gold
Classic Shared Prong Halo Marquise · 14K Rose Gold
$3,170.00
The Etta oval engagement ring setting in 14K Rose Gold | RockHer
The Etta Classic Shared Prong Halo Oval Engagement Ring Setting in 14K Rose Gold
Classic Shared Prong Halo Oval · 14K Rose Gold
$2,985.00
The Etta princess engagement ring setting in 14K Rose Gold | RockHer
The Etta Classic Shared Prong Halo Princess Cut Engagement Ring Setting in 14K Rose Gold
Classic Shared Prong Halo Princess Cut · 14K Rose Gold
$2,985.00
The Etta pear engagement ring setting in 14K Rose Gold | RockHer
The Etta Classic Shared Prong Halo Pear Engagement Ring Setting in 14K Rose Gold
Classic Shared Prong Halo Pear · 14K Rose Gold
$3,080.00
The Etta round engagement ring setting in 14K Rose Gold | RockHer
The Etta Classic Shared Prong Halo Round Engagement Ring Setting in 14K Rose Gold
Classic Shared Prong Halo Round · 14K Rose Gold
$2,985.00
The Alannah asscher engagement ring setting in 14K Rose Gold | RockHer
The Alannah Luxe French Pavé Halo Asscher Cut Engagement Ring Setting in 14K Rose Gold
Luxe French Pavé Halo Asscher Cut · 14K Rose Gold
$4,320.00
The Alannah Luxe French Pavé Halo Cushion Cut Engagement Ring Setting in 14K Rose Gold
The Alannah Luxe French Pavé Halo Cushion Cut Engagement Ring Setting in 14K Rose Gold
Luxe French Pavé Halo Cushion Cut · 14K Rose Gold
$4,210.00
The Alannah Luxe French Pavé Halo Emerald Cut Engagement Ring Setting in 14K Rose Gold
The Alannah Luxe French Pavé Halo Emerald Cut Engagement Ring Setting in 14K Rose Gold
Luxe French Pavé Halo Emerald Cut · 14K Rose Gold
$4,320.00
Made Entirely to Order · Every Time Natural Accent Diamonds Solid Gold & Platinum Only 40 Day Returns GIA & IGI CertifiedMade Entirely to Order · Every Time Natural Accent Diamonds Solid Gold & Platinum Only 40 Day Returns GIA & IGI Certified
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Fine Jewelry Made to Order in Los Angeles

Every RockHer piece is made to order in our Los Angeles atelier and offered at one fair price. Our gemology team inspects every piece before it ships, and every order carries a 40 day return window and a lifetime warranty.

Good to Know

Fine Jewelry Questions

How is each piece made?
Every piece is made to order in our Los Angeles atelier and inspected by our gemology team before it ships.
How long until my order arrives?
Made to order pieces are crafted in 8 to 12 business days, then shipped fully insured with a signature required at delivery.
What if it isn't right?
You have a 40 day return window on pieces that are not engraved or custom designed, and a lifetime warranty on every piece.
Talk to a Jeweler

Not sure where to begin?

One conversation with a gemologist replaces a hundred open tabs. We will guide you the way we would guide a close friend.

John Anderson · Lead Gemologist · 1‑800‑779‑1726

Book a Consultation

Eco-Friendly Grandeur: Discover 3 Carat Lab Grown Diamond Rings

Make a bold and sustainable statement with our collection of 3 carat lab grown diamond rings. These stunning, ethically created diamonds offer the same brilliance and quality as mined stones, combining modern technology with responsible luxury, perfect for the conscious buyer who desires both size and style.

Why Choose 3 Carat Lab Grown Diamond Rings?

A 3 carat lab grown diamond ring delivers impressive size and exceptional sparkle with a significantly lower environmental footprint. Lab grown diamonds are chemically and physically identical to natural diamonds, providing excellent value without compromising beauty.

Popular Styles Featuring Lab Grown Diamonds:

  • Solitaire Rings: Classic and elegant designs highlighting the center stone
  • Halo Settings: Surrounding the diamond with smaller stones for extra brilliance
  • Three-Stone Rings: Symbolizing your journey with complementary side stones
  • Vintage-Inspired Designs: Combining classic detailing with modern ethics
  • Modern Minimalist: Sleek bands emphasizing the diamond’s fire and clarity

Customization Options:
  • Metal Choices: 14k or 18k yellow, white, rose gold, and platinum
  • Settings: Prong, bezel, pave, and tension for style and security
  • Certification: IGI certified diamonds ensuring quality and authenticity

Expert Tip:
Focus on cut quality to maximize brilliance. Pair your lab grown diamond with recycled metals for an entirely sustainable ring.

Our 3 carat lab grown diamond rings collection offers luxury, size, and ethics, perfect for modern lovers seeking conscious elegance.