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3 Carat Lab Grown Diamond Rings

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

The Nona cushion engagement ring setting in 18K Yellow Gold | RockHer
The Nona Twisted Rope Solitaire Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Twisted Rope Solitaire Cushion Cut · 18K Yellow Gold
$3,450.00
The Nona round engagement ring setting in 18K Yellow Gold | RockHer
The Nona Twisted Rope Solitaire Round Engagement Ring Setting in 18K Yellow Gold
Twisted Rope Solitaire Round · 18K Yellow Gold
$3,360.00
The Ophelia cushion engagement ring setting in 18K Yellow Gold | RockHer
The Ophelia Antique Wheat Bead Solitaire Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Antique Wheat Bead Solitaire Cushion Cut · 18K Yellow Gold
$3,265.00
The Ophelia princess engagement ring setting in 18K Yellow Gold | RockHer
The Ophelia Antique Wheat Bead Solitaire Princess Cut Engagement Ring Setting in 18K Yellow Gold
Antique Wheat Bead Solitaire Princess Cut · 18K Yellow Gold
$3,265.00
The Ophelia round engagement ring setting in 18K Yellow Gold | RockHer
The Ophelia Antique Wheat Bead Solitaire Round Engagement Ring Setting in 18K Yellow Gold
Antique Wheat Bead Solitaire Round · 18K Yellow Gold
$3,265.00
The Carly cushion engagement ring setting in 18K Yellow Gold | RockHer
The Carly High Polish Signet Solitaire Cushion Cut Engagement Ring Setting in 18K Yellow Gold
High Polish Signet Solitaire Cushion Cut · 18K Yellow Gold
$3,870.00
The Carly princess engagement ring setting in 18K Yellow Gold | RockHer
The Carly High Polish Signet Solitaire Princess Cut Engagement Ring Setting in 18K Yellow Gold
High Polish Signet Solitaire Princess Cut · 18K Yellow Gold
$3,870.00
The Carly round engagement ring setting in 18K Yellow Gold | RockHer
The Carly High Polish Signet Solitaire Round Engagement Ring Setting in 18K Yellow Gold
High Polish Signet Solitaire Round · 18K Yellow Gold
$4,210.00
The Quinn cushion engagement ring setting in 18K Yellow Gold | RockHer
The Quinn Classic Comfort Fit Rounded Solitaire Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Classic Comfort Fit Rounded Solitaire Cushion Cut · 18K Yellow Gold
$2,330.00
The Quinn princess engagement ring setting in 18K Yellow Gold | RockHer
The Quinn Classic Comfort Fit Rounded Solitaire Princess Cut Engagement Ring Setting in 18K Yellow Gold
Classic Comfort Fit Rounded Solitaire Princess Cut · 18K Yellow Gold
$2,330.00
The Quinn round engagement ring setting in 18K Yellow Gold | RockHer
The Quinn Classic Comfort Fit Rounded Solitaire Round Engagement Ring Setting in 18K Yellow Gold
Classic Comfort Fit Rounded Solitaire Round · 18K Yellow Gold
$2,235.00
The Rio emerald engagement ring setting in 18K Yellow Gold | RockHer
The Rio Scroll Gallery Comfort Fit Solitaire Emerald Cut Engagement Ring Setting in 18K Yellow Gold
Scroll Gallery Comfort Fit Solitaire Emerald Cut · 18K Yellow Gold
$2,235.00
The Rio Scroll Gallery Comfort Fit Solitaire Marquise Engagement Ring Setting in 18K Yellow Gold
The Rio Scroll Gallery Comfort Fit Solitaire Marquise Engagement Ring Setting in 18K Yellow Gold
Scroll Gallery Comfort Fit Solitaire Marquise · 18K Yellow Gold
$2,425.00
The Rio oval engagement ring setting in 18K Yellow Gold | RockHer
The Rio Scroll Gallery Comfort Fit Solitaire Oval Engagement Ring Setting in 18K Yellow Gold
Scroll Gallery Comfort Fit Solitaire Oval · 18K Yellow Gold
$2,235.00
The Rio pear engagement ring setting in 18K Yellow Gold | RockHer
The Rio Scroll Gallery Comfort Fit Solitaire Pear Engagement Ring Setting in 18K Yellow Gold
Scroll Gallery Comfort Fit Solitaire Pear · 18K Yellow Gold
$2,330.00
The Rosalie cushion engagement ring setting in 18K Yellow Gold | RockHer
The Rosalie Scroll Gallery Solitaire Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Scroll Gallery Solitaire Cushion Cut · 18K Yellow Gold
$2,610.00
The Rosalie princess engagement ring setting in 18K Yellow Gold | RockHer
The Rosalie Scroll Gallery Solitaire Princess Cut Engagement Ring Setting in 18K Yellow Gold
Scroll Gallery Solitaire Princess Cut · 18K Yellow Gold
$2,610.00
The Rosalie round engagement ring setting in 18K Yellow Gold | RockHer
The Rosalie Scroll Gallery Solitaire Round Engagement Ring Setting in 18K Yellow Gold
Scroll Gallery Solitaire Round · 18K Yellow Gold
$2,515.00
The Rosanna asscher engagement ring setting in 18K Yellow Gold | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Asscher Cut Engagement Ring Setting in 18K Yellow Gold
Cathedral Surprise Stone Solitaire Asscher Cut · 18K Yellow Gold
$2,985.00
The Rosanna emerald engagement ring setting in 18K Yellow Gold | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Emerald Cut Engagement Ring Setting in 18K Yellow Gold
Cathedral Surprise Stone Solitaire Emerald Cut · 18K Yellow Gold
$3,080.00
The Rosanna marquise engagement ring setting in 18K Yellow Gold | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Marquise Engagement Ring Setting in 18K Yellow Gold
Cathedral Surprise Stone Solitaire Marquise · 18K Yellow Gold
$3,080.00
The Rosanna oval engagement ring setting in 18K Yellow Gold | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Oval Engagement Ring Setting in 18K Yellow Gold
Cathedral Surprise Stone Solitaire Oval · 18K Yellow Gold
$3,080.00
The Rosanna princess engagement ring setting in 18K Yellow Gold | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Princess Cut Engagement Ring Setting in 18K Yellow Gold
Cathedral Surprise Stone Solitaire Princess Cut · 18K Yellow Gold
$2,985.00
The Rosanna pear engagement ring setting in 18K Yellow Gold | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Pear Engagement Ring Setting in 18K Yellow Gold
Cathedral Surprise Stone Solitaire Pear · 18K Yellow Gold
$3,080.00
The Rosanna round engagement ring setting in 18K Yellow Gold | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Round Engagement Ring Setting in 18K Yellow Gold
Cathedral Surprise Stone Solitaire Round · 18K Yellow Gold
$3,080.00
The Mary cushion engagement ring setting in 18K Yellow Gold | RockHer
The Mary Comfort Fit Cathedral Solitaire Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Comfort Fit Cathedral Solitaire Cushion Cut · 18K Yellow Gold
$2,515.00
The Mary princess engagement ring setting in 18K Yellow Gold | RockHer
The Mary Comfort Fit Cathedral Solitaire Princess Cut Engagement Ring Setting in 18K Yellow Gold
Comfort Fit Cathedral Solitaire Princess Cut · 18K Yellow Gold
$2,515.00
The Mary round engagement ring setting in 18K Yellow Gold | RockHer
The Mary Comfort Fit Cathedral Solitaire Round Engagement Ring Setting in 18K Yellow Gold
Comfort Fit Cathedral Solitaire Round · 18K Yellow Gold
$2,515.00
The Rosemary cushion engagement ring setting in 18K Yellow Gold | RockHer
The Rosemary Modern Wide Split Shank Solitaire Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Modern Wide Split Shank Solitaire Cushion Cut · 18K Yellow Gold
$4,650.00
The Rosemary princess engagement ring setting in 18K Yellow Gold | RockHer
The Rosemary Modern Wide Split Shank Solitaire Princess Cut Engagement Ring Setting in 18K Yellow Gold
Modern Wide Split Shank Solitaire Princess Cut · 18K Yellow Gold
$4,650.00
The Rosemary round engagement ring setting in 18K Yellow Gold | RockHer
The Rosemary Modern Wide Split Shank Solitaire Round Engagement Ring Setting in 18K Yellow Gold
Modern Wide Split Shank Solitaire Round · 18K Yellow Gold
$4,615.00
The Spring oval engagement ring setting in 18K Yellow Gold | RockHer
The Spring East West Eight Claw Comfort Fit Solitaire Oval Engagement Ring Setting in 18K Yellow Gold
East West Eight Claw Comfort Fit Solitaire Oval · 18K Yellow Gold
$2,425.00
The Spring round engagement ring setting in 18K Yellow Gold | RockHer
The Spring East West Eight Claw Comfort Fit Solitaire Round Engagement Ring Setting in 18K Yellow Gold
East West Eight Claw Comfort Fit Solitaire Round · 18K Yellow Gold
$2,330.00
The Valerie pear engagement ring setting in 18K Yellow Gold | RockHer
The Valerie Comfort Fit Secret Stone Solitaire Pear Engagement Ring Setting in 18K Yellow Gold
Comfort Fit Secret Stone Solitaire Pear · 18K Yellow Gold
$2,145.00
The Valerie round engagement ring setting in 18K Yellow Gold | RockHer
The Valerie Comfort Fit Secret Stone Solitaire Round Engagement Ring Setting in 18K Yellow Gold
Comfort Fit Secret Stone Solitaire Round · 18K Yellow Gold
$2,145.00
The Virginia cushion engagement ring setting in 18K Yellow Gold | RockHer
The Virginia Hand Engraved Scroll Vintage Solitaire Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Hand Engraved Scroll Vintage Solitaire Cushion Cut · 18K Yellow Gold
$3,450.00
The Virginia princess engagement ring setting in 18K Yellow Gold | RockHer
The Virginia Hand Engraved Scroll Vintage Solitaire Princess Cut Engagement Ring Setting in 18K Yellow Gold
Hand Engraved Scroll Vintage Solitaire Princess Cut · 18K Yellow Gold
$3,450.00
The Virginia round engagement ring setting in 18K Yellow Gold | RockHer
The Virginia Hand Engraved Scroll Vintage Solitaire Round Engagement Ring Setting in 18K Yellow Gold
Hand Engraved Scroll Vintage Solitaire Round · 18K Yellow Gold
$3,450.00
The Charlie oval engagement ring setting in 18K Yellow Gold | RockHer
The Charlie Twisted Rope Surprise Stone Solitaire Oval Engagement Ring Setting in 18K Yellow Gold
Twisted Rope Surprise Stone Solitaire Oval · 18K Yellow Gold
$2,890.00
The Charlie Twisted Rope Surprise Stone Solitaire Round Engagement Ring Setting in 18K Yellow Gold
The Charlie Twisted Rope Surprise Stone Solitaire Round Engagement Ring Setting in 18K Yellow Gold
Twisted Rope Surprise Stone Solitaire Round · 18K Yellow Gold
$2,795.00
The Ramona cushion engagement ring setting in 18K Yellow Gold | RockHer
The Ramona Vintage Wheat Engraved Halo Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Vintage Wheat Engraved Halo Cushion Cut · 18K Yellow Gold
$4,165.00
The Ramona oval engagement ring setting in 18K Yellow Gold | RockHer
The Ramona Vintage Wheat Engraved Halo Oval Engagement Ring Setting in 18K Yellow Gold
Vintage Wheat Engraved Halo Oval · 18K Yellow Gold
$4,200.00
The Ramona Pavé Halo Engagement Ring Setting for Round Diamonds in 18K Yellow Gold | RockHer
The Ramona Vintage Wheat Engraved Halo Round Engagement Ring Setting in 18K Yellow Gold
Vintage Wheat Engraved Halo Round · 18K Yellow Gold
$4,160.00
The Stella cushion engagement ring setting in 14K Rose Gold | RockHer
The Stella Antique Hand Engraved Solitaire Cushion Cut Engagement Ring Setting in 14K Rose Gold
Antique Hand Engraved Solitaire Cushion Cut · 14K Rose Gold
$3,265.00
The Stella Antique Hand Engraved Solitaire Oval Engagement Ring Setting in 18K Yellow Gold
The Stella Antique Hand Engraved Solitaire Oval Engagement Ring Setting in 18K Yellow Gold
Antique Hand Engraved Solitaire Oval · 18K Yellow Gold
$3,680.00
The Stella princess engagement ring setting in 18K Yellow Gold | RockHer
The Stella Antique Hand Engraved Solitaire Princess Cut Engagement Ring Setting in 18K Yellow Gold
Antique Hand Engraved Solitaire Princess Cut · 18K Yellow Gold
$3,680.00
The Stella round engagement ring setting in 18K Yellow Gold | RockHer
The Stella Antique Hand Engraved Solitaire Round Engagement Ring Setting in 18K Yellow Gold
Antique Hand Engraved Solitaire Round · 18K Yellow Gold
$3,680.00
The Annabelle emerald engagement ring setting in 18K Yellow Gold | RockHer
The Annabelle Hidden Pavé Basket Crown Solitaire Emerald Cut Engagement Ring Setting in 18K Yellow Gold
Hidden Pavé Basket Crown Solitaire Emerald Cut · 18K Yellow Gold
$3,265.00
The Annabelle oval engagement ring setting in 18K Yellow Gold | RockHer
The Annabelle Hidden Pavé Basket Crown Solitaire Oval Engagement Ring Setting in 18K Yellow Gold
Hidden Pavé Basket Crown Solitaire Oval · 18K Yellow Gold
$3,265.00
The Annabelle round engagement ring setting in 18K Yellow Gold | RockHer
The Annabelle Hidden Pavé Basket Crown Solitaire Round Engagement Ring Setting in 18K Yellow Gold
Hidden Pavé Basket Crown Solitaire Round · 18K Yellow Gold
$3,265.00
The Janis asscher engagement ring setting in 14K Rose Gold | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Asscher Cut Engagement Ring Setting in 14K Rose Gold
Hand Engraved Milgrain Vintage Solitaire Asscher Cut · 14K Rose Gold
$3,360.00
The Janis Hand Engraved Milgrain Vintage Solitaire Cushion Cut Engagement Ring Setting in 14K Rose Gold
The Janis Hand Engraved Milgrain Vintage Solitaire Cushion Cut Engagement Ring Setting in 14K Rose Gold
Hand Engraved Milgrain Vintage Solitaire Cushion Cut · 14K Rose Gold
$3,360.00
The Janis emerald engagement ring setting in 14K Rose Gold | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Emerald Cut Engagement Ring Setting in 14K Rose Gold
Hand Engraved Milgrain Vintage Solitaire Emerald Cut · 14K Rose Gold
$3,360.00
The Janis marquise engagement ring setting in 14K Rose Gold | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Marquise Engagement Ring Setting in 14K Rose Gold
Hand Engraved Milgrain Vintage Solitaire Marquise · 14K Rose Gold
$3,360.00
The Janis oval engagement ring setting in 14K Rose Gold | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Oval Engagement Ring Setting in 14K Rose Gold
Hand Engraved Milgrain Vintage Solitaire Oval · 14K Rose Gold
$3,360.00
The Janis princess engagement ring setting in 14K Rose Gold | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Princess Cut Engagement Ring Setting in 14K Rose Gold
Hand Engraved Milgrain Vintage Solitaire Princess Cut · 14K Rose Gold
$3,360.00
The Janis pear engagement ring setting in 14K Rose Gold | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Pear Engagement Ring Setting in 14K Rose Gold
Hand Engraved Milgrain Vintage Solitaire Pear · 14K Rose Gold
$3,360.00
The Janis radiant engagement ring setting in 14K Rose Gold | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Radiant Cut Engagement Ring Setting in 14K Rose Gold
Hand Engraved Milgrain Vintage Solitaire Radiant Cut · 14K Rose Gold
$3,360.00
The Janis Hand Engraved Milgrain Vintage Solitaire Round Engagement Ring Setting in 14K Rose Gold
The Janis Hand Engraved Milgrain Vintage Solitaire Round Engagement Ring Setting in 14K Rose Gold
Hand Engraved Milgrain Vintage Solitaire Round · 14K Rose Gold
$3,360.00
The Donna asscher engagement ring setting in 14K Rose Gold | RockHer
The Donna Cathedral French Pavé Solitaire Asscher Cut Engagement Ring Setting in 14K Rose Gold
Cathedral French Pavé Solitaire Asscher Cut · 14K Rose Gold
$2,425.00
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.