Home 3 Carat Diamond Rings

3 Carat Diamond Rings

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

The Janis pear engagement ring setting in 18K Yellow Gold | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Pear Engagement Ring Setting in 18K Yellow Gold
Hand Engraved Milgrain Vintage Solitaire Pear · 18K Yellow Gold
$4,265.00
The Janis princess engagement ring setting in 18K Yellow Gold | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Princess Cut Engagement Ring Setting in 18K Yellow Gold
Hand Engraved Milgrain Vintage Solitaire Princess Cut · 18K Yellow Gold
$4,265.00
The Janis oval engagement ring setting in 18K Yellow Gold | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Oval Engagement Ring Setting in 18K Yellow Gold
Hand Engraved Milgrain Vintage Solitaire Oval · 18K Yellow Gold
$4,265.00
The Janis marquise engagement ring setting in 18K Yellow Gold | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Marquise Engagement Ring Setting in 18K Yellow Gold
Hand Engraved Milgrain Vintage Solitaire Marquise · 18K Yellow Gold
$4,265.00
The Janis emerald engagement ring setting in 18K Yellow Gold | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Emerald Cut Engagement Ring Setting in 18K Yellow Gold
Hand Engraved Milgrain Vintage Solitaire Emerald Cut · 18K Yellow Gold
$4,265.00
The Janis cushion engagement ring setting in 18K Yellow Gold | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Hand Engraved Milgrain Vintage Solitaire Cushion Cut · 18K Yellow Gold
$4,265.00
The Janis asscher engagement ring setting in 18K Yellow Gold | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Asscher Cut Engagement Ring Setting in 18K Yellow Gold
Hand Engraved Milgrain Vintage Solitaire Asscher Cut · 18K Yellow Gold
$4,265.00
The Stella round engagement ring setting in 18K White Gold | RockHer
The Stella Antique Hand Engraved Solitaire Round Engagement Ring Setting in 18K White Gold
Antique Hand Engraved Solitaire Round · 18K White Gold
$3,680.00
The Stella princess engagement ring setting in 18K White Gold | RockHer
The Stella Antique Hand Engraved Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Antique Hand Engraved Solitaire Princess Cut · 18K White Gold
$3,680.00
The Stella oval engagement ring setting in 18K White Gold | RockHer
The Stella Antique Hand Engraved Solitaire Oval Engagement Ring Setting in 18K White Gold
Antique Hand Engraved Solitaire Oval · 18K White Gold
$3,680.00
The Stella cushion engagement ring setting in 18K White Gold | RockHer
The Stella Antique Hand Engraved Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Antique Hand Engraved Solitaire Cushion Cut · 18K White Gold
$3,680.00
The Ramona round engagement ring setting in 18K White Gold | RockHer
The Ramona Vintage Wheat Engraved Halo Round Engagement Ring Setting in 18K White Gold
Vintage Wheat Engraved Halo Round · 18K White Gold
$4,235.00
The Ramona oval engagement ring setting in 18K White Gold | RockHer
The Ramona Vintage Wheat Engraved Halo Oval Engagement Ring Setting in 18K White Gold
Vintage Wheat Engraved Halo Oval · 18K White Gold
$4,275.00
The Ramona cushion engagement ring setting in 18K White Gold | RockHer
The Ramona Vintage Wheat Engraved Halo Cushion Cut Engagement Ring Setting in 18K White Gold
Vintage Wheat Engraved Halo Cushion Cut · 18K White Gold
$4,240.00
The Virginia round engagement ring setting in 18K White Gold | RockHer
The Virginia Hand Engraved Scroll Vintage Solitaire Round Engagement Ring Setting in 18K White Gold
Hand Engraved Scroll Vintage Solitaire Round · 18K White Gold
$3,540.00
The Virginia princess engagement ring setting in 18K White Gold | RockHer
The Virginia Hand Engraved Scroll Vintage Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Hand Engraved Scroll Vintage Solitaire Princess Cut · 18K White Gold
$3,545.00
The Virginia cushion engagement ring setting in 18K White Gold | RockHer
The Virginia Hand Engraved Scroll Vintage Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Hand Engraved Scroll Vintage Solitaire Cushion Cut · 18K White Gold
$3,545.00
The Valerie round engagement ring setting in 18K White Gold | RockHer
The Valerie Comfort Fit Secret Stone Solitaire Round Engagement Ring Setting in 18K White Gold
Comfort Fit Secret Stone Solitaire Round · 18K White Gold
$2,235.00
The Valerie pear engagement ring setting in Platinum | RockHer
The Valerie Comfort Fit Secret Stone Solitaire Pear Engagement Ring Setting in 18K White Gold
Comfort Fit Secret Stone Solitaire Pear · 18K White Gold
$2,235.00
The Spring round engagement ring setting in 18K White Gold | RockHer
The Spring East West Eight Claw Comfort Fit Solitaire Round Engagement Ring Setting in 18K White Gold
East West Eight Claw Comfort Fit Solitaire Round · 18K White Gold
$2,425.00
The Spring oval engagement ring setting in 18K White Gold | RockHer
The Spring East West Eight Claw Comfort Fit Solitaire Oval Engagement Ring Setting in 18K White Gold
East West Eight Claw Comfort Fit Solitaire Oval · 18K White Gold
$2,515.00
The Rosemary round engagement ring setting in 18K White Gold | RockHer
The Rosemary Modern Wide Split Shank Solitaire Round Engagement Ring Setting in 18K White Gold
Modern Wide Split Shank Solitaire Round · 18K White Gold
$4,690.00
The Rosemary princess engagement ring setting in 18K White Gold | RockHer
The Rosemary Modern Wide Split Shank Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Modern Wide Split Shank Solitaire Princess Cut · 18K White Gold
$4,725.00
The Rosemary cushion engagement ring setting in 18K White Gold | RockHer
The Rosemary Modern Wide Split Shank Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Modern Wide Split Shank Solitaire Cushion Cut · 18K White Gold
$4,725.00
The Mary round engagement ring setting in 18K White Gold | RockHer
The Mary Comfort Fit Cathedral Solitaire Round Engagement Ring Setting in 18K White Gold
Comfort Fit Cathedral Solitaire Round · 18K White Gold
$2,610.00
The Mary princess engagement ring setting in 18K White Gold | RockHer
The Mary Comfort Fit Cathedral Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Comfort Fit Cathedral Solitaire Princess Cut · 18K White Gold
$2,610.00
The Mary cushion engagement ring setting in 18K White Gold | RockHer
The Mary Comfort Fit Cathedral Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Comfort Fit Cathedral Solitaire Cushion Cut · 18K White Gold
$2,610.00
The Rosanna round engagement ring setting in 18K White Gold | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Round Engagement Ring Setting in 18K White Gold
Cathedral Surprise Stone Solitaire Round · 18K White Gold
$3,170.00
The Rosanna pear engagement ring setting in 18K White Gold | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Pear Engagement Ring Setting in 18K White Gold
Cathedral Surprise Stone Solitaire Pear · 18K White Gold
$3,170.00
The Rosanna princess engagement ring setting in 18K White Gold | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Cathedral Surprise Stone Solitaire Princess Cut · 18K White Gold
$3,080.00
The Rosanna oval engagement ring setting in 18K White Gold | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Oval Engagement Ring Setting in 18K White Gold
Cathedral Surprise Stone Solitaire Oval · 18K White Gold
$3,170.00
The Rosanna marquise engagement ring setting in 18K White Gold | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Marquise Engagement Ring Setting in 18K White Gold
Cathedral Surprise Stone Solitaire Marquise · 18K White Gold
$3,170.00
The Rosanna emerald engagement ring setting in 18K White Gold | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Emerald Cut Engagement Ring Setting in 18K White Gold
Cathedral Surprise Stone Solitaire Emerald Cut · 18K White Gold
$3,080.00
The Rosanna asscher engagement ring setting in 18K White Gold | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Asscher Cut Engagement Ring Setting in 18K White Gold
Cathedral Surprise Stone Solitaire Asscher Cut · 18K White Gold
$3,080.00
The Rosalie round engagement ring setting in 18K White Gold | RockHer
The Rosalie Scroll Gallery Solitaire Round Engagement Ring Setting in 18K White Gold
Scroll Gallery Solitaire Round · 18K White Gold
$2,610.00
The Rosalie princess engagement ring setting in 18K White Gold | RockHer
The Rosalie Scroll Gallery Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Scroll Gallery Solitaire Princess Cut · 18K White Gold
$2,705.00
The Rosalie cushion engagement ring setting in 18K White Gold | RockHer
The Rosalie Scroll Gallery Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Scroll Gallery Solitaire Cushion Cut · 18K White Gold
$2,705.00
The Rio round engagement ring setting in 18K White Gold | RockHer
The Rio Scroll Gallery Comfort Fit Solitaire Round Engagement Ring Setting in 18K White Gold
Scroll Gallery Comfort Fit Solitaire Round · 18K White Gold
$2,330.00
The Rio pear engagement ring setting in 18K White Gold | RockHer
The Rio Scroll Gallery Comfort Fit Solitaire Pear Engagement Ring Setting in 18K White Gold
Scroll Gallery Comfort Fit Solitaire Pear · 18K White Gold
$2,425.00
The Rio princess engagement ring setting in 18K White Gold | RockHer
The Rio Scroll Gallery Comfort Fit Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Scroll Gallery Comfort Fit Solitaire Princess Cut · 18K White Gold
$2,330.00
The Rio oval engagement ring setting in Platinum | RockHer
The Rio Scroll Gallery Comfort Fit Solitaire Oval Engagement Ring Setting in 18K White Gold
Scroll Gallery Comfort Fit Solitaire Oval · 18K White Gold
$2,330.00
The Rio marquise engagement ring setting in 18K White Gold | RockHer
The Rio Scroll Gallery Comfort Fit Solitaire Marquise Engagement Ring Setting in 18K White Gold
Scroll Gallery Comfort Fit Solitaire Marquise · 18K White Gold
$2,515.00
The Rio emerald engagement ring setting in 18K White Gold | RockHer
The Rio Scroll Gallery Comfort Fit Solitaire Emerald Cut Engagement Ring Setting in 18K White Gold
Scroll Gallery Comfort Fit Solitaire Emerald Cut · 18K White Gold
$2,330.00
The Rio cushion engagement ring setting in 18K White Gold | RockHer
The Rio Scroll Gallery Comfort Fit Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Scroll Gallery Comfort Fit Solitaire Cushion Cut · 18K White Gold
$2,330.00
The Rio asscher engagement ring setting in 18K White Gold | RockHer
The Rio Scroll Gallery Comfort Fit Solitaire Asscher Cut Engagement Ring Setting in 18K White Gold
Scroll Gallery Comfort Fit Solitaire Asscher Cut · 18K White Gold
$2,330.00
The Quinn round engagement ring setting in 18K White Gold | RockHer
The Quinn Classic Comfort Fit Rounded Solitaire Round Engagement Ring Setting in 18K White Gold
Classic Comfort Fit Rounded Solitaire Round · 18K White Gold
$2,330.00
The Quinn princess engagement ring setting in 18K White Gold | RockHer
The Quinn Classic Comfort Fit Rounded Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Classic Comfort Fit Rounded Solitaire Princess Cut · 18K White Gold
$2,425.00
The Quinn cushion engagement ring setting in 18K White Gold | RockHer
The Quinn Classic Comfort Fit Rounded Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Classic Comfort Fit Rounded Solitaire Cushion Cut · 18K White Gold
$2,425.00
The Carly round engagement ring setting in 18K White Gold | RockHer
The Carly High Polish Signet Solitaire Round Engagement Ring Setting in 18K White Gold
High Polish Signet Solitaire Round · 18K White Gold
$4,210.00
The Carly princess engagement ring setting in 18K White Gold | RockHer
The Carly High Polish Signet Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
High Polish Signet Solitaire Princess Cut · 18K White Gold
$3,870.00
The Carly cushion engagement ring setting in 18K White Gold | RockHer
The Carly High Polish Signet Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
High Polish Signet Solitaire Cushion Cut · 18K White Gold
$3,870.00
The Ophelia princess engagement ring setting in 18K White Gold | RockHer
The Ophelia Antique Wheat Bead Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Antique Wheat Bead Solitaire Princess Cut · 18K White Gold
$3,360.00
The Ophelia cushion engagement ring setting in 18K White Gold | RockHer
The Ophelia Antique Wheat Bead Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Antique Wheat Bead Solitaire Cushion Cut · 18K White Gold
$3,360.00
The Nona round engagement ring setting in 18K White Gold | RockHer
The Nona Twisted Rope Solitaire Round Engagement Ring Setting in 18K White Gold
Twisted Rope Solitaire Round · 18K White Gold
$3,450.00
The Nona cushion engagement ring setting in 18K White Gold | RockHer
The Nona Twisted Rope Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Twisted Rope Solitaire Cushion Cut · 18K White Gold
$3,545.00
The Natalia round engagement ring setting in 18K White Gold | RockHer
The Natalia Antique Scroll Gallery East West Solitaire Round Engagement Ring Setting in 18K White Gold
Antique Scroll Gallery East West Solitaire Round · 18K White Gold
$1,865.00
The Natalia oval engagement ring setting in 18K White Gold | RockHer
The Natalia Antique Scroll Gallery East West Solitaire Oval Engagement Ring Setting in 18K White Gold
Antique Scroll Gallery East West Solitaire Oval · 18K White Gold
$1,865.00
The Natalia marquise engagement ring setting in 18K White Gold | RockHer
The Natalia Antique Scroll Gallery East West Solitaire Marquise Engagement Ring Setting in 18K White Gold
Antique Scroll Gallery East West Solitaire Marquise · 18K White Gold
$1,865.00
The Maggie round engagement ring setting in 18K White Gold | RockHer
The Maggie Twisted Rope Solitaire Round Engagement Ring Setting in 18K White Gold
Twisted Rope Solitaire Round · 18K White Gold
$2,610.00
The Maggie pear engagement ring setting in 18K White Gold | RockHer
The Maggie Twisted Rope Solitaire Pear Engagement Ring Setting in 18K White Gold
Twisted Rope Solitaire Pear · 18K White Gold
$2,705.00
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

Show-Stopping Brilliance: Explore 3 Carat Diamond Rings

Make a lasting impression with our breathtaking collection of 3 carat diamond rings. Known for their impressive size and dazzling sparkle, these rings are perfect for those who want to celebrate love with a bold and luxurious statement piece. Whether for engagements, anniversaries, or special occasions, a 3 carat diamond ring symbolizes grandeur and timeless elegance.

Why Choose 3 Carat Diamond Rings?

A 3 carat diamond ring offers an eye-catching size combined with exceptional brilliance. Its larger carat weight means the diamond commands attention, yet with the right cut and setting, it remains elegant and wearable.

Popular Styles Featuring 3 Carat Diamonds:

  • Solitaire Rings: Classic and timeless, showcasing the diamond's natural beauty
  • Halo Settings: Surround the center diamond with smaller stones for extra sparkle
  • Three-Stone Designs: Symbolize your journey with complementary side stones
  • Vintage-Inspired Rings: Featuring intricate detailing and romantic flair
  • Modern Minimalist Bands: Sleek, understated settings that highlight the diamond

Customization Options:
  • Diamond Cuts: Round brilliant, princess, cushion, emerald, and more
  • Metal Types: 14k or 18k yellow, white, rose gold, and platinum
  • Settings: Prong, bezel, pave, and tension for style and security
  • Certification: GIA or IGI certified diamonds to guarantee quality and authenticity

Expert Tip:
Prioritize the diamond’s cut to maximize sparkle and brilliance, especially for larger stones. Consider protective settings such as bezels or halos to safeguard your investment.

Our 3 carat diamond rings collection combines grandeur and expert craftsmanship, perfect for celebrating your most memorable moments with unmatched brilliance.