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 Gilda marquise engagement ring setting in 18K White Gold | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Marquise Engagement Ring Setting in 18K White Gold
Five Prong Comfort Fit Claw Solitaire Marquise · 18K White Gold
$2,145.00
The Gilda heart engagement ring setting in 18K White Gold | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Heart Engagement Ring Setting in 18K White Gold
Five Prong Comfort Fit Claw Solitaire Heart · 18K White Gold
$2,145.00
The Gilda emerald engagement ring setting in 18K White Gold | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Emerald Cut Engagement Ring Setting in 18K White Gold
Five Prong Comfort Fit Claw Solitaire Emerald Cut · 18K White Gold
$2,145.00
The Gilda cushion engagement ring setting in 18K White Gold | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Five Prong Comfort Fit Claw Solitaire Cushion Cut · 18K White Gold
$2,145.00
The Gilda asscher engagement ring setting in 18K White Gold | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Asscher Cut Engagement Ring Setting in 18K White Gold
Five Prong Comfort Fit Claw Solitaire Asscher Cut · 18K White Gold
$2,145.00
The Floria round engagement ring setting in 18K White Gold | RockHer
The Floria Comfort Fit Claw Prong Solitaire Round Engagement Ring Setting in 18K White Gold
Comfort Fit Claw Prong Solitaire Round · 18K White Gold
$1,805.00
The Floria radiant engagement ring setting in 18K White Gold | RockHer
The Floria Comfort Fit Claw Prong Solitaire Radiant Cut Engagement Ring Setting in 18K White Gold
Comfort Fit Claw Prong Solitaire Radiant Cut · 18K White Gold
$1,805.00
The Floria pear engagement ring setting in 18K White Gold | RockHer
The Floria Comfort Fit Claw Prong Solitaire Pear Engagement Ring Setting in 18K White Gold
Comfort Fit Claw Prong Solitaire Pear · 18K White Gold
$1,805.00
The Floria round engagement ring setting in 18K White Gold | RockHer
The Floria Comfort Fit Claw Prong Solitaire Round Engagement Ring Setting in 18K White Gold
Comfort Fit Claw Prong Solitaire Round · 18K White Gold
$1,805.00
The Floria oval engagement ring setting in 18K White Gold | RockHer
The Floria Comfort Fit Claw Prong Solitaire Oval Engagement Ring Setting in 18K White Gold
Comfort Fit Claw Prong Solitaire Oval · 18K White Gold
$1,805.00
The Floria marquise engagement ring setting in 18K White Gold | RockHer
The Floria Comfort Fit Claw Prong Solitaire Marquise Engagement Ring Setting in 18K White Gold
Comfort Fit Claw Prong Solitaire Marquise · 18K White Gold
$1,805.00
The Floria heart engagement ring setting in 18K White Gold | RockHer
The Floria Comfort Fit Claw Prong Solitaire Heart Engagement Ring Setting in 18K White Gold
Comfort Fit Claw Prong Solitaire Heart · 18K White Gold
$1,805.00
The Floria emerald engagement ring setting in Platinum | RockHer
The Floria Comfort Fit Claw Prong Solitaire Emerald Cut Engagement Ring Setting in 18K White Gold
Comfort Fit Claw Prong Solitaire Emerald Cut · 18K White Gold
$1,805.00
The Floria cushion engagement ring setting in 18K White Gold | RockHer
The Floria Comfort Fit Claw Prong Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Comfort Fit Claw Prong Solitaire Cushion Cut · 18K White Gold
$1,805.00
The Floria asscher engagement ring setting in 18K White Gold | RockHer
The Floria Comfort Fit Claw Prong Solitaire Asscher Cut Engagement Ring Setting in 18K White Gold
Comfort Fit Claw Prong Solitaire Asscher Cut · 18K White Gold
$1,805.00
The Elena round engagement ring setting in 18K White Gold | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Round Engagement Ring Setting in 18K White Gold
Timeless Graduated Beveled Shank Solitaire Round · 18K White Gold
$2,795.00
The Elena radiant engagement ring setting in 18K White Gold | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Radiant Cut Engagement Ring Setting in 18K White Gold
Timeless Graduated Beveled Shank Solitaire Radiant Cut · 18K White Gold
$2,795.00
The Elena pear engagement ring setting in 18K White Gold | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Pear Engagement Ring Setting in 18K White Gold
Timeless Graduated Beveled Shank Solitaire Pear · 18K White Gold
$2,795.00
The Elena princess engagement ring setting in 18K White Gold | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Timeless Graduated Beveled Shank Solitaire Princess Cut · 18K White Gold
$2,795.00
The Elena oval engagement ring setting in Platinum | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Oval Engagement Ring Setting in 18K White Gold
Timeless Graduated Beveled Shank Solitaire Oval · 18K White Gold
$2,795.00
The Elena marquise engagement ring setting in 18K White Gold | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Marquise Engagement Ring Setting in 18K White Gold
Timeless Graduated Beveled Shank Solitaire Marquise · 18K White Gold
$2,795.00
The Elena heart engagement ring setting in 18K White Gold | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Heart Engagement Ring Setting in 18K White Gold
Timeless Graduated Beveled Shank Solitaire Heart · 18K White Gold
$2,795.00
The Elena emerald engagement ring setting in 18K White Gold | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Emerald Cut Engagement Ring Setting in 18K White Gold
Timeless Graduated Beveled Shank Solitaire Emerald Cut · 18K White Gold
$2,795.00
The Elena cushion engagement ring setting in 18K White Gold | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Timeless Graduated Beveled Shank Solitaire Cushion Cut · 18K White Gold
$2,795.00
The Elena asscher engagement ring setting in 18K White Gold | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Asscher Cut Engagement Ring Setting in 18K White Gold
Timeless Graduated Beveled Shank Solitaire Asscher Cut · 18K White Gold
$2,795.00
The Ellie round engagement ring setting in Platinum | RockHer
The Ellie Cathedral Comfort Fit Solitaire Round Engagement Ring Setting in 18K White Gold
Cathedral Comfort Fit Solitaire Round · 18K White Gold
$2,515.00
The Ellie radiant engagement ring setting in 18K White Gold | RockHer
The Ellie Cathedral Comfort Fit Solitaire Radiant Cut Engagement Ring Setting in 18K White Gold
Cathedral Comfort Fit Solitaire Radiant Cut · 18K White Gold
$2,610.00
The Ellie princess engagement ring setting in 18K White Gold | RockHer
The Ellie Cathedral Comfort Fit Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Cathedral Comfort Fit Solitaire Princess Cut · 18K White Gold
$2,610.00
The Ellie oval engagement ring setting in Platinum | RockHer
The Ellie Cathedral Comfort Fit Solitaire Oval Engagement Ring Setting in 18K White Gold
Cathedral Comfort Fit Solitaire Oval · 18K White Gold
$2,610.00
The Ellie marquise engagement ring setting in 18K White Gold | RockHer
The Ellie Cathedral Comfort Fit Solitaire Marquise Engagement Ring Setting in 18K White Gold
Cathedral Comfort Fit Solitaire Marquise · 18K White Gold
$2,610.00
The Ellie heart engagement ring setting in 18K White Gold | RockHer
The Ellie Cathedral Comfort Fit Solitaire Heart Engagement Ring Setting in 18K White Gold
Cathedral Comfort Fit Solitaire Heart · 18K White Gold
$2,610.00
The Ellie emerald engagement ring setting in Platinum | RockHer
The Ellie Cathedral Comfort Fit Solitaire Emerald Cut Engagement Ring Setting in 18K White Gold
Cathedral Comfort Fit Solitaire Emerald Cut · 18K White Gold
$2,610.00
The Ellie cushion engagement ring setting in Platinum | RockHer
The Ellie Cathedral Comfort Fit Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Cathedral Comfort Fit Solitaire Cushion Cut · 18K White Gold
$2,610.00
The Ellie asscher engagement ring setting in 18K White Gold | RockHer
The Ellie Cathedral Comfort Fit Solitaire Asscher Cut Engagement Ring Setting in 18K White Gold
Cathedral Comfort Fit Solitaire Asscher Cut · 18K White Gold
$2,610.00
The Carmen round engagement ring setting in 18K White Gold | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Round Engagement Ring Setting in 18K White Gold
Beveled Edge Comfort Fit Solitaire Round · 18K White Gold
$2,610.00
The Carmen radiant engagement ring setting in 18K White Gold | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Radiant Cut Engagement Ring Setting in 18K White Gold
Beveled Edge Comfort Fit Solitaire Radiant Cut · 18K White Gold
$2,705.00
The Carmen pear engagement ring setting in 18K White Gold | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Pear Engagement Ring Setting in 18K White Gold
Beveled Edge Comfort Fit Solitaire Pear · 18K White Gold
$2,705.00
The Carmen princess engagement ring setting in 18K White Gold | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Beveled Edge Comfort Fit Solitaire Princess Cut · 18K White Gold
$2,705.00
The Carmen oval engagement ring setting in Platinum | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Oval Engagement Ring Setting in 18K White Gold
Beveled Edge Comfort Fit Solitaire Oval · 18K White Gold
$2,705.00
The Carmen marquise engagement ring setting in 18K White Gold | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Marquise Engagement Ring Setting in 18K White Gold
Beveled Edge Comfort Fit Solitaire Marquise · 18K White Gold
$2,705.00
The Carmen heart engagement ring setting in 18K White Gold | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Heart Engagement Ring Setting in 18K White Gold
Beveled Edge Comfort Fit Solitaire Heart · 18K White Gold
$2,705.00
The Carmen emerald engagement ring setting in 18K White Gold | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Emerald Cut Engagement Ring Setting in 18K White Gold
Beveled Edge Comfort Fit Solitaire Emerald Cut · 18K White Gold
$2,705.00
The Carmen cushion engagement ring setting in 18K White Gold | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Beveled Edge Comfort Fit Solitaire Cushion Cut · 18K White Gold
$2,705.00
The Carmen asscher engagement ring setting in 18K White Gold | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Asscher Cut Engagement Ring Setting in 18K White Gold
Beveled Edge Comfort Fit Solitaire Asscher Cut · 18K White Gold
$2,705.00
The Viola round engagement ring setting in 18K White Gold | RockHer
The Viola Contemporary Comfort Fit Flat Shank Solitaire Round Engagement Ring Setting in 18K White Gold
Contemporary Comfort Fit Flat Shank Solitaire Round · 18K White Gold
$2,235.00
The Viola radiant engagement ring setting in 18K White Gold | RockHer
The Viola Contemporary Comfort Fit Flat Shank Solitaire Radiant Cut Engagement Ring Setting in 18K White Gold
Contemporary Comfort Fit Flat Shank Solitaire Radiant Cut · 18K White Gold
$2,235.00
The Viola pear engagement ring setting in 18K White Gold | RockHer
The Viola Contemporary Comfort Fit Flat Shank Solitaire Pear Engagement Ring Setting in 18K White Gold
Contemporary Comfort Fit Flat Shank Solitaire Pear · 18K White Gold
$2,235.00
The Viola princess engagement ring setting in 18K White Gold | RockHer
The Viola Contemporary Comfort Fit Flat Shank Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Contemporary Comfort Fit Flat Shank Solitaire Princess Cut · 18K White Gold
$2,235.00
The Viola oval engagement ring setting in Platinum | RockHer
The Viola Contemporary Comfort Fit Flat Shank Solitaire Oval Engagement Ring Setting in 18K White Gold
Contemporary Comfort Fit Flat Shank Solitaire Oval · 18K White Gold
$2,235.00
The Viola marquise engagement ring setting in 18K White Gold | RockHer
The Viola Contemporary Comfort Fit Flat Shank Solitaire Marquise Engagement Ring Setting in 18K White Gold
Contemporary Comfort Fit Flat Shank Solitaire Marquise · 18K White Gold
$2,235.00
The Viola heart engagement ring setting in 18K White Gold | RockHer
The Viola Contemporary Comfort Fit Flat Shank Solitaire Heart Engagement Ring Setting in 18K White Gold
Contemporary Comfort Fit Flat Shank Solitaire Heart · 18K White Gold
$2,235.00
The Viola emerald engagement ring setting in 18K White Gold | RockHer
The Viola Contemporary Comfort Fit Flat Shank Solitaire Emerald Cut Engagement Ring Setting in 18K White Gold
Contemporary Comfort Fit Flat Shank Solitaire Emerald Cut · 18K White Gold
$7,430.00
The Viola cushion engagement ring setting in 18K White Gold | RockHer
The Viola Contemporary Comfort Fit Flat Shank Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Contemporary Comfort Fit Flat Shank Solitaire Cushion Cut · 18K White Gold
$2,235.00
The Gladys setting for round diamonds, made to order in Platinum | RockHer
The Gladys Pinched Cathedral Solitaire Round Engagement Ring Setting in 18K White Gold
Pinched Cathedral Solitaire Round · 18K White Gold
$3,080.00
The Gladys radiant engagement ring setting in 18K White Gold | RockHer
The Gladys Pinched Cathedral Solitaire Radiant Cut Engagement Ring Setting in 18K White Gold
Pinched Cathedral Solitaire Radiant Cut · 18K White Gold
$3,170.00
The Gladys pear engagement ring setting in 18K White Gold | RockHer
The Gladys Pinched Cathedral Solitaire Pear Engagement Ring Setting in 18K White Gold
Pinched Cathedral Solitaire Pear · 18K White Gold
$3,170.00
The Gladys princess engagement ring setting in 18K White Gold | RockHer
The Gladys Pinched Cathedral Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Pinched Cathedral Solitaire Princess Cut · 18K White Gold
$3,170.00
The Gladys marquise engagement ring setting in 18K White Gold | RockHer
The Gladys Pinched Cathedral Solitaire Marquise Engagement Ring Setting in 18K White Gold
Pinched Cathedral Solitaire Marquise · 18K White Gold
$3,170.00
The Gladys heart engagement ring setting in 18K White Gold | RockHer
The Gladys Pinched Cathedral Solitaire Heart Engagement Ring Setting in 18K White Gold
Pinched Cathedral Solitaire Heart · 18K White Gold
$3,170.00
The Gladys emerald engagement ring setting in Platinum | RockHer
The Gladys Pinched Cathedral Solitaire Emerald Cut Engagement Ring Setting in 18K White Gold
Pinched Cathedral Solitaire Emerald Cut · 18K White Gold
$3,170.00
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.