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 Kelly cushion engagement ring setting in 14K Rose Gold | RockHer
The Kelly Double Claw Prong French Pavé Cushion Cut Engagement Ring Setting in 14K Rose Gold
Double Claw Prong French Pavé Cushion Cut · 14K Rose Gold
$2,145.00
The Kelly emerald engagement ring setting in 14K Rose Gold | RockHer
The Kelly Double Claw Prong French Pavé Emerald Cut Engagement Ring Setting in 14K Rose Gold
Double Claw Prong French Pavé Emerald Cut · 14K Rose Gold
$2,145.00
The Kelly heart engagement ring setting in 14K Rose Gold | RockHer
The Kelly Double Claw Prong French Pavé Heart Engagement Ring Setting in 14K Rose Gold
Double Claw Prong French Pavé Heart · 14K Rose Gold
$2,145.00
The Kelly marquise engagement ring setting in 14K Rose Gold | RockHer
The Kelly Double Claw Prong French Pavé Marquise Engagement Ring Setting in 14K Rose Gold
Double Claw Prong French Pavé Marquise · 14K Rose Gold
$2,235.00
The Kelly oval engagement ring setting in 14K Rose Gold | RockHer
The Kelly Double Claw Prong French Pavé Oval Engagement Ring Setting in 14K Rose Gold
Double Claw Prong French Pavé Oval · 14K Rose Gold
$2,145.00
The Sadie round engagement ring setting in 14K Rose Gold | RockHer
The Sadie Twisted Pavé Round Engagement Ring Setting in 14K Rose Gold
Twisted Pavé Round · 14K Rose Gold
$4,970.00
The Genesis cushion engagement ring setting in 14K Rose Gold | RockHer
The Genesis Channel Pavé Halo Cushion Cut Engagement Ring Setting in 14K Rose Gold
Channel Pavé Halo Cushion Cut · 14K Rose Gold
$3,450.00
The Genesis princess engagement ring setting in 14K Rose Gold | RockHer
The Genesis Channel Pavé Halo Princess Cut Engagement Ring Setting in 14K Rose Gold
Channel Pavé Halo Princess Cut · 14K Rose Gold
$3,640.00
The Genesis round engagement ring setting in 14K Rose Gold | RockHer
The Genesis Channel Pavé Halo Round Engagement Ring Setting in 14K Rose Gold
Channel Pavé Halo Round · 14K Rose Gold
$3,360.00
The Dylan Petite French Pavé Halo Asscher Cut Engagement Ring Setting in 14K Rose Gold
The Dylan Petite French Pavé Halo Asscher Cut Engagement Ring Setting in 14K Rose Gold
Petite French Pavé Halo Asscher Cut · 14K Rose Gold
$2,610.00
The Dylan emerald engagement ring setting in 14K Rose Gold | RockHer
The Dylan Petite French Pavé Halo Emerald Cut Engagement Ring Setting in 14K Rose Gold
Petite French Pavé Halo Emerald Cut · 14K Rose Gold
$2,610.00
The Dylan marquise engagement ring setting in 14K Rose Gold | RockHer
The Dylan Petite French Pavé Halo Marquise Engagement Ring Setting in 14K Rose Gold
Petite French Pavé Halo Marquise · 14K Rose Gold
$2,705.00
The Dylan oval engagement ring setting in 14K Rose Gold | RockHer
The Dylan Petite French Pavé Halo Oval Engagement Ring Setting in 14K Rose Gold
Petite French Pavé Halo Oval · 14K Rose Gold
$2,610.00
The Dylan pear engagement ring setting in 14K Rose Gold | RockHer
The Dylan Petite French Pavé Halo Pear Engagement Ring Setting in 14K Rose Gold
Petite French Pavé Halo Pear · 14K Rose Gold
$2,610.00
The Dylan round engagement ring setting in 14K Rose Gold | RockHer
The Dylan Petite French Pavé Halo Round Engagement Ring Setting in 14K Rose Gold
Petite French Pavé Halo Round · 14K Rose Gold
$2,515.00
The Alannah oval engagement ring setting in 14K Rose Gold | RockHer
The Alannah Luxe French Pavé Halo Oval Engagement Ring Setting in 14K Rose Gold
Luxe French Pavé Halo Oval · 14K Rose Gold
$4,320.00
The Alannah princess engagement ring setting in 14K Rose Gold | RockHer
The Alannah Luxe French Pavé Halo Princess Cut Engagement Ring Setting in 14K Rose Gold
Luxe French Pavé Halo Princess Cut · 14K Rose Gold
$4,270.00
The Alannah pear engagement ring setting in 14K Rose Gold | RockHer
The Alannah Luxe French Pavé Halo Pear Engagement Ring Setting in 14K Rose Gold
Luxe French Pavé Halo Pear · 14K Rose Gold
$4,790.00
The Alannah radiant engagement ring setting in 14K Rose Gold | RockHer
The Alannah Luxe French Pavé Halo Radiant Cut Engagement Ring Setting in 14K Rose Gold
Luxe French Pavé Halo Radiant Cut · 14K Rose Gold
$4,310.00
The Alannah round engagement ring setting in 14K Rose Gold | RockHer
The Alannah Luxe French Pavé Halo Round Engagement Ring Setting in 14K Rose Gold
Luxe French Pavé Halo Round · 14K Rose Gold
$4,220.00
The Ella heart engagement ring setting in 14K Rose Gold | RockHer
The Ella Micro Pavé Triple Row Halo Heart Engagement Ring Setting in 14K Rose Gold
Micro Pavé Triple Row Halo Heart · 14K Rose Gold
$5,290.00
The Ella pear engagement ring setting in 14K Rose Gold | RockHer
The Ella Micro Pavé Triple Row Halo Pear Engagement Ring Setting in 14K Rose Gold
Micro Pavé Triple Row Halo Pear · 14K Rose Gold
$5,260.00
The Ella round engagement ring setting in 14K Rose Gold | RockHer
The Ella Micro Pavé Triple Row Halo Round Engagement Ring Setting in 14K Rose Gold
Micro Pavé Triple Row Halo Round · 14K Rose Gold
$5,245.00
The Aretha Split Shank Pavé Halo Cushion Cut Engagement Ring Setting in 14K Rose Gold
The Aretha Split Shank Pavé Halo Cushion Cut Engagement Ring Setting in 14K Rose Gold
Split Shank Pavé Halo Cushion Cut · 14K Rose Gold
$3,900.00
The Aretha princess engagement ring setting in 14K Rose Gold | RockHer
The Aretha Split Shank Pavé Halo Princess Cut Engagement Ring Setting in 14K Rose Gold
Split Shank Pavé Halo Princess Cut · 14K Rose Gold
$3,905.00
The Cecilia round engagement ring setting in 14K Rose Gold | RockHer
The Cecilia Double Halo Round Engagement Ring Setting in 14K Rose Gold
Double Halo Round · 14K Rose Gold
$5,535.00
The Bell princess engagement ring setting in 14K Rose Gold | RockHer
The Bell Bold Twist Pavé Halo Princess Cut Engagement Ring Setting in 14K Rose Gold
Bold Twist Pavé Halo Princess Cut · 14K Rose Gold
$3,640.00
The Bell round engagement ring setting in 14K Rose Gold | RockHer
The Bell Bold Twist Pavé Halo Round Engagement Ring Setting in 14K Rose Gold
Bold Twist Pavé Halo Round · 14K Rose Gold
$3,545.00
The Clementine princess engagement ring setting in 14K Rose Gold | RockHer
The Clementine Twisted Square Pavé Halo Princess Cut Engagement Ring Setting in 14K Rose Gold
Twisted Square Pavé Halo Princess Cut · 14K Rose Gold
$4,070.00
The Clementine round engagement ring setting in 14K Rose Gold | RockHer
The Clementine Twisted Square Pavé Halo Round Engagement Ring Setting in 14K Rose Gold
Twisted Square Pavé Halo Round · 14K Rose Gold
$4,005.00
The Priscilla asscher engagement ring setting in 14K Rose Gold | RockHer
The Priscilla Delicate Twist Cathedral Solitaire Asscher Cut Engagement Ring Setting in 14K Rose Gold
Delicate Twist Cathedral Solitaire Asscher Cut · 14K Rose Gold
$1,955.00
The Priscilla cushion engagement ring setting in 14K Rose Gold | RockHer
The Priscilla Delicate Twist Cathedral Solitaire Cushion Cut Engagement Ring Setting in 14K Rose Gold
Delicate Twist Cathedral Solitaire Cushion Cut · 14K Rose Gold
$1,955.00
The Priscilla emerald engagement ring setting in 14K Rose Gold | RockHer
The Priscilla Delicate Twist Cathedral Solitaire Emerald Cut Engagement Ring Setting in 14K Rose Gold
Delicate Twist Cathedral Solitaire Emerald Cut · 14K Rose Gold
$1,955.00
The Priscilla heart engagement ring setting in 14K Rose Gold | RockHer
The Priscilla Delicate Twist Cathedral Solitaire Heart Engagement Ring Setting in 14K Rose Gold
Delicate Twist Cathedral Solitaire Heart · 14K Rose Gold
$1,955.00
The Fiona oval engagement ring setting in Platinum | RockHer
The Fiona Shared Prong Halo Oval Engagement Ring Setting in Platinum
Shared Prong Halo Oval · Platinum
$4,015.00
The Fiona pear engagement ring setting in Platinum | RockHer
The Fiona Shared Prong Halo Pear Engagement Ring Setting in Platinum
Shared Prong Halo Pear · Platinum
$4,055.00
The Michelle cushion engagement ring setting in 18K Yellow Gold | RockHer
The Michelle Double Halo Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Double Halo Cushion Cut · 18K Yellow Gold
$5,150.00
The Michelle princess engagement ring setting in 18K Yellow Gold | RockHer
The Michelle Double Halo Princess Cut Engagement Ring Setting in 18K Yellow Gold
Double Halo Princess Cut · 18K Yellow Gold
$5,150.00
The Michelle round engagement ring setting in 18K Yellow Gold | RockHer
The Michelle Double Halo Round Engagement Ring Setting in 18K Yellow Gold
Double Halo Round · 18K Yellow Gold
$5,115.00
The June oval engagement ring setting in 18K Yellow Gold | RockHer
The June Three Stone Oval Engagement Ring Setting in 18K Yellow Gold
Three Stone Oval · 18K Yellow Gold
$3,825.00
The June princess engagement ring setting in 18K Yellow Gold | RockHer
The June Three Stone Princess Cut Engagement Ring Setting in 18K Yellow Gold
Three Stone Princess Cut · 18K Yellow Gold
$3,825.00
The June pear engagement ring setting in 18K Yellow Gold | RockHer
The June Three Stone Pear Engagement Ring Setting in 18K Yellow Gold
Three Stone Pear · 18K Yellow Gold
$3,825.00
The June radiant engagement ring setting in 18K Yellow Gold | RockHer
The June Three Stone Radiant Cut Engagement Ring Setting in 18K Yellow Gold
Three Stone Radiant Cut · 18K Yellow Gold
$3,825.00
The June round engagement ring setting in 18K Yellow Gold | RockHer
The June Three Stone Round Engagement Ring Setting in 18K Yellow Gold
Three Stone Round · 18K Yellow Gold
$3,730.00
The Anita asscher engagement ring setting in 18K Yellow Gold | RockHer
The Anita Classic Three Stone Asscher Cut Engagement Ring Setting in 18K Yellow Gold
Classic Three Stone Asscher Cut · 18K Yellow Gold
$3,640.00
The Anita cushion engagement ring setting in 18K Yellow Gold | RockHer
The Anita Classic Three Stone Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Classic Three Stone Cushion Cut · 18K Yellow Gold
$3,640.00
The Anita emerald engagement ring setting in 18K Yellow Gold | RockHer
The Anita Classic Three Stone Emerald Cut Engagement Ring Setting in 18K Yellow Gold
Classic Three Stone Emerald Cut · 18K Yellow Gold
$3,640.00
The Anita heart engagement ring setting in 18K Yellow Gold | RockHer
The Anita Classic Three Stone Heart Engagement Ring Setting in 18K Yellow Gold
Classic Three Stone Heart · 18K Yellow Gold
$3,640.00
The Anita marquise engagement ring setting in 18K Yellow Gold | RockHer
The Anita Classic Three Stone Marquise Engagement Ring Setting in 18K Yellow Gold
Classic Three Stone Marquise · 18K Yellow Gold
$3,640.00
The Anita pear engagement ring setting in 18K Yellow Gold | RockHer
The Anita Classic Three Stone Pear Engagement Ring Setting in 18K Yellow Gold
Classic Three Stone Pear · 18K Yellow Gold
$3,640.00
The Anita radiant engagement ring setting in 18K Yellow Gold | RockHer
The Anita Classic Three Stone Radiant Cut Engagement Ring Setting in 18K Yellow Gold
Classic Three Stone Radiant Cut · 18K Yellow Gold
$3,640.00
The Anita round engagement ring setting in 18K Yellow Gold | RockHer
The Anita Classic Three Stone Round Engagement Ring Setting in 18K Yellow Gold
Classic Three Stone Round · 18K Yellow Gold
$3,640.00
The Roberta Vintage Leaf Pattern Solitaire Asscher Cut Engagement Ring Setting in 18K Yellow Gold
The Roberta Vintage Leaf Pattern Solitaire Asscher Cut Engagement Ring Setting in 18K Yellow Gold
Vintage Leaf Pattern Solitaire Asscher Cut · 18K Yellow Gold
$2,795.00
The Roberta cushion engagement ring setting in 18K Yellow Gold | RockHer
The Roberta Vintage Leaf Pattern Solitaire Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Vintage Leaf Pattern Solitaire Cushion Cut · 18K Yellow Gold
$2,795.00
The Roberta emerald engagement ring setting in 18K Yellow Gold | RockHer
The Roberta Vintage Leaf Pattern Solitaire Emerald Cut Engagement Ring Setting in 18K Yellow Gold
Vintage Leaf Pattern Solitaire Emerald Cut · 18K Yellow Gold
$2,795.00
The Roberta heart engagement ring setting in 18K Yellow Gold | RockHer
The Roberta Vintage Leaf Pattern Solitaire Heart Engagement Ring Setting in 18K Yellow Gold
Vintage Leaf Pattern Solitaire Heart · 18K Yellow Gold
$2,795.00
The Roberta marquise engagement ring setting in 18K Yellow Gold | RockHer
The Roberta Vintage Leaf Pattern Solitaire Marquise Engagement Ring Setting in 18K Yellow Gold
Vintage Leaf Pattern Solitaire Marquise · 18K Yellow Gold
$2,795.00
The Roberta oval engagement ring setting in 18K Yellow Gold | RockHer
The Roberta Vintage Leaf Pattern Solitaire Oval Engagement Ring Setting in 18K Yellow Gold
Vintage Leaf Pattern Solitaire Oval · 18K Yellow Gold
$2,795.00
The Charlotte cushion engagement ring setting in 18K Yellow Gold | RockHer
The Charlotte Cathedral Squared Edge Solitaire Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Cathedral Squared Edge Solitaire Cushion Cut · 18K Yellow Gold
$3,725.00
The Charlotte emerald engagement ring setting in 18K Yellow Gold | RockHer
The Charlotte Cathedral Squared Edge Solitaire Emerald Cut Engagement Ring Setting in 18K Yellow Gold
Cathedral Squared Edge Solitaire Emerald Cut · 18K Yellow Gold
$3,725.00
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.