Home 3 Carat Diamond Rings

3 Carat Diamond Rings

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

Round Comfort Fit Claw Prong Solitaire Heart Shape, in Platinum | RockHer
The Floria Comfort Fit Claw Prong Solitaire Heart Engagement Ring Setting in Platinum
Comfort Fit Claw Prong Solitaire Heart · Platinum
$2,140.00
Round Comfort Fit Claw Prong Solitaire Cushion, in Platinum | RockHer
The Floria Comfort Fit Claw Prong Solitaire Cushion Cut Engagement Ring Setting in Platinum
Comfort Fit Claw Prong Solitaire Cushion Cut · Platinum
$2,140.00
Round Comfort Fit Claw Prong Solitaire Asscher, in Platinum | RockHer
The Floria Comfort Fit Claw Prong Solitaire Asscher Cut Engagement Ring Setting in Platinum
Comfort Fit Claw Prong Solitaire Asscher Cut · Platinum
$2,140.00
Round Brilliant, Timeless Graduated Beveled Shank Solitaire, in Platinum, prong setting | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Round Engagement Ring Setting in Platinum
Timeless Graduated Beveled Shank Solitaire Round · Platinum
$3,050.00
Timeless Graduated Beveled Shank Solitaire Radiant, in Platinum, prong setting | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Radiant Cut Engagement Ring Setting in Platinum
Timeless Graduated Beveled Shank Solitaire Radiant Cut · Platinum
$3,080.00
Timeless Graduated Beveled Shank Solitaire Pear Shape, in Platinum, prong setting | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Pear Engagement Ring Setting in Platinum
Timeless Graduated Beveled Shank Solitaire Pear · Platinum
$3,080.00
Timeless Graduated Beveled Shank Solitaire Princess, in Platinum, prong setting | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Princess Cut Engagement Ring Setting in Platinum
Timeless Graduated Beveled Shank Solitaire Princess Cut · Platinum
$3,080.00
The Elena Timeless Graduated Beveled Shank Solitaire Oval Engagement Ring Setting in Platinum
The Elena Timeless Graduated Beveled Shank Solitaire Oval Engagement Ring Setting in Platinum
Timeless Graduated Beveled Shank Solitaire Oval · Platinum
$3,080.00
Timeless Graduated Beveled Shank Solitaire Marquise, in Platinum, prong setting | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Marquise Engagement Ring Setting in Platinum
Timeless Graduated Beveled Shank Solitaire Marquise · Platinum
$3,080.00
Timeless Graduated Beveled Shank Solitaire Heart Shape, in Platinum, prong setting | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Heart Engagement Ring Setting in Platinum
Timeless Graduated Beveled Shank Solitaire Heart · Platinum
$3,080.00
European Cut, Timeless Graduated Beveled Shank Solitaire Emerald, in Platinum, prong setting | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Emerald Cut Engagement Ring Setting in Platinum
Timeless Graduated Beveled Shank Solitaire Emerald Cut · Platinum
$3,080.00
Timeless Graduated Beveled Shank Solitaire Cushion, in Platinum, prong setting | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Cushion Cut Engagement Ring Setting in Platinum
Timeless Graduated Beveled Shank Solitaire Cushion Cut · Platinum
$3,080.00
Timeless Graduated Beveled Shank Solitaire Asscher, in Platinum, prong setting | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Asscher Cut Engagement Ring Setting in Platinum
Timeless Graduated Beveled Shank Solitaire Asscher Cut · Platinum
$3,080.00
The Ellie Cathedral Comfort Fit Solitaire Round Engagement Ring Setting in Platinum
The Ellie Cathedral Comfort Fit Solitaire Round Engagement Ring Setting in Platinum
Cathedral Comfort Fit Solitaire Round · Platinum
$2,795.00
Cathedral Comfort Fit Solitaire Radiant, in Platinum, prong setting | RockHer
The Ellie Cathedral Comfort Fit Solitaire Radiant Cut Engagement Ring Setting in Platinum
Cathedral Comfort Fit Solitaire Radiant Cut · Platinum
$2,795.00
Cathedral Comfort Fit Solitaire Princess, in Platinum, prong setting | RockHer
The Ellie Cathedral Comfort Fit Solitaire Princess Cut Engagement Ring Setting in Platinum
Cathedral Comfort Fit Solitaire Princess Cut · Platinum
$2,795.00
The Ellie Cathedral Comfort Fit Solitaire Oval Engagement Ring Setting in Platinum
The Ellie Cathedral Comfort Fit Solitaire Oval Engagement Ring Setting in Platinum
Cathedral Comfort Fit Solitaire Oval · Platinum
$2,795.00
Cathedral Comfort Fit Solitaire Marquise, in Platinum, prong setting | RockHer
The Ellie Cathedral Comfort Fit Solitaire Marquise Engagement Ring Setting in Platinum
Cathedral Comfort Fit Solitaire Marquise · Platinum
$2,795.00
Cathedral Comfort Fit Solitaire Heart Shape, in Platinum, prong setting | RockHer
The Ellie Cathedral Comfort Fit Solitaire Heart Engagement Ring Setting in Platinum
Cathedral Comfort Fit Solitaire Heart · Platinum
$2,795.00
The Ellie Cathedral Comfort Fit Solitaire Emerald Cut Engagement Ring Setting in Platinum
The Ellie Cathedral Comfort Fit Solitaire Emerald Cut Engagement Ring Setting in Platinum
Cathedral Comfort Fit Solitaire Emerald Cut · Platinum
$2,795.00
The Ellie Cathedral Comfort Fit Solitaire Cushion Cut Engagement Ring Setting in Platinum
The Ellie Cathedral Comfort Fit Solitaire Cushion Cut Engagement Ring Setting in Platinum
Cathedral Comfort Fit Solitaire Cushion Cut · Platinum
$2,795.00
Cathedral Comfort Fit Solitaire Asscher, in Platinum, prong setting | RockHer
The Ellie Cathedral Comfort Fit Solitaire Asscher Cut Engagement Ring Setting in Platinum
Cathedral Comfort Fit Solitaire Asscher Cut · Platinum
$2,795.00
Round Brilliant, Beveled Edge Comfort Fit Solitaire, in Platinum, prong setting | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Round Engagement Ring Setting in Platinum
Beveled Edge Comfort Fit Solitaire Round · Platinum
$2,985.00
Beveled Edge Comfort Fit Solitaire Pear Shape, in Platinum, prong setting | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Pear Engagement Ring Setting in Platinum
Beveled Edge Comfort Fit Solitaire Pear · Platinum
$2,985.00
Beveled Edge Comfort Fit Solitaire Princess, in Platinum, prong setting | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Princess Cut Engagement Ring Setting in Platinum
Beveled Edge Comfort Fit Solitaire Princess Cut · Platinum
$2,985.00
The Carmen Beveled Edge Comfort Fit Solitaire Oval Engagement Ring Setting in Platinum
The Carmen Beveled Edge Comfort Fit Solitaire Oval Engagement Ring Setting in Platinum
Beveled Edge Comfort Fit Solitaire Oval · Platinum
$2,985.00
Beveled Edge Comfort Fit Solitaire Marquise, in Platinum, prong setting | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Marquise Engagement Ring Setting in Platinum
Beveled Edge Comfort Fit Solitaire Marquise · Platinum
$2,985.00
Beveled Edge Comfort Fit Solitaire Heart Shape, in Platinum, prong setting | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Heart Engagement Ring Setting in Platinum
Beveled Edge Comfort Fit Solitaire Heart · Platinum
$2,985.00
European Cut, Beveled Edge Comfort Fit Solitaire Emerald, in Platinum, prong setting | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Emerald Cut Engagement Ring Setting in Platinum
Beveled Edge Comfort Fit Solitaire Emerald Cut · Platinum
$2,985.00
Beveled Edge Comfort Fit Solitaire Cushion, in Platinum, prong setting | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Cushion Cut Engagement Ring Setting in Platinum
Beveled Edge Comfort Fit Solitaire Cushion Cut · Platinum
$2,985.00
Beveled Edge Comfort Fit Solitaire Asscher, in Platinum, prong setting | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Asscher Cut Engagement Ring Setting in Platinum
Beveled Edge Comfort Fit Solitaire Asscher Cut · Platinum
$2,985.00
Round Brilliant, Contemporary Comfort Fit Flat Shank Solitaire, in Platinum, prong setting | RockHer
The Viola Contemporary Comfort Fit Flat Shank Solitaire Round Engagement Ring Setting in Platinum
Contemporary Comfort Fit Flat Shank Solitaire Round · Platinum
$2,425.00
Contemporary Comfort Fit Flat Shank Solitaire Pear Shape, in Platinum, prong setting | RockHer
The Viola Contemporary Comfort Fit Flat Shank Solitaire Pear Engagement Ring Setting in Platinum
Contemporary Comfort Fit Flat Shank Solitaire Pear · Platinum
$2,425.00
Contemporary Comfort Fit Flat Shank Solitaire Princess, in Platinum, prong setting | RockHer
The Viola Contemporary Comfort Fit Flat Shank Solitaire Princess Cut Engagement Ring Setting in Platinum
Contemporary Comfort Fit Flat Shank Solitaire Princess Cut · Platinum
$2,425.00
The Viola Contemporary Comfort Fit Flat Shank Solitaire Oval Engagement Ring Setting in Platinum
The Viola Contemporary Comfort Fit Flat Shank Solitaire Oval Engagement Ring Setting in Platinum
Contemporary Comfort Fit Flat Shank Solitaire Oval · Platinum
$2,425.00
Contemporary Comfort Fit Flat Shank Solitaire Marquise, in Platinum, prong setting | RockHer
The Viola Contemporary Comfort Fit Flat Shank Solitaire Marquise Engagement Ring Setting in Platinum
Contemporary Comfort Fit Flat Shank Solitaire Marquise · Platinum
$2,425.00
Contemporary Comfort Fit Flat Shank Solitaire Heart Shape, in Platinum, prong setting | RockHer
The Viola Contemporary Comfort Fit Flat Shank Solitaire Heart Engagement Ring Setting in Platinum
Contemporary Comfort Fit Flat Shank Solitaire Heart · Platinum
$2,425.00
Pinched Cathedral Solitaire Asscher, in Platinum, prong setting | RockHer
The Gladys Pinched Cathedral Solitaire Asscher Cut Engagement Ring Setting in Platinum
Pinched Cathedral Solitaire Asscher Cut · Platinum
$3,615.00
The Tori Rounded Comfort Fit Solitaire Round Engagement Ring Setting in Platinum
The Tori Rounded Comfort Fit Solitaire Round Engagement Ring Setting in Platinum
Rounded Comfort Fit Solitaire Round · Platinum
$2,235.00
The Tori Rounded Comfort Fit Solitaire Radiant Cut Engagement Ring Setting in Platinum
The Tori Rounded Comfort Fit Solitaire Radiant Cut Engagement Ring Setting in Platinum
Rounded Comfort Fit Solitaire Radiant Cut · Platinum
$2,330.00
The Tori Rounded Comfort Fit Solitaire Pear Engagement Ring Setting in Platinum
The Tori Rounded Comfort Fit Solitaire Pear Engagement Ring Setting in Platinum
Rounded Comfort Fit Solitaire Pear · Platinum
$2,330.00
Rounded Comfort Fit Solitaire Princess, in Platinum, prong setting | RockHer
The Tori Rounded Comfort Fit Solitaire Princess Cut Engagement Ring Setting in Platinum
Rounded Comfort Fit Solitaire Princess Cut · Platinum
$2,330.00
The Tori Rounded Comfort Fit Solitaire Oval Engagement Ring Setting in Platinum
The Tori Rounded Comfort Fit Solitaire Oval Engagement Ring Setting in Platinum
Rounded Comfort Fit Solitaire Oval · Platinum
$2,330.00
The Tori Rounded Comfort Fit Solitaire Marquise Engagement Ring Setting in Platinum
The Tori Rounded Comfort Fit Solitaire Marquise Engagement Ring Setting in Platinum
Rounded Comfort Fit Solitaire Marquise · Platinum
$2,330.00
Rounded Comfort Fit Solitaire Heart Shape, in Platinum, prong setting | RockHer
The Tori Rounded Comfort Fit Solitaire Heart Engagement Ring Setting in Platinum
Rounded Comfort Fit Solitaire Heart · Platinum
$2,330.00
The Tori Rounded Comfort Fit Solitaire Emerald Cut Engagement Ring Setting in Platinum
The Tori Rounded Comfort Fit Solitaire Emerald Cut Engagement Ring Setting in Platinum
Rounded Comfort Fit Solitaire Emerald Cut · Platinum
$2,330.00
The Tori Rounded Comfort Fit Solitaire Cushion Cut Engagement Ring Setting in Platinum
The Tori Rounded Comfort Fit Solitaire Cushion Cut Engagement Ring Setting in Platinum
Rounded Comfort Fit Solitaire Cushion Cut · Platinum
$2,330.00
Rounded Comfort Fit Solitaire Asscher, in Platinum, prong setting | RockHer
The Tori Rounded Comfort Fit Solitaire Asscher Cut Engagement Ring Setting in Platinum
Rounded Comfort Fit Solitaire Asscher Cut · Platinum
$2,330.00
The Charlotte Cathedral Squared Edge Solitaire Round Engagement Ring Setting in Platinum
The Charlotte Cathedral Squared Edge Solitaire Round Engagement Ring Setting in Platinum
Cathedral Squared Edge Solitaire Round · Platinum
$4,075.00
Cathedral Squared Edge Solitaire Radiant, in Platinum, prong setting | RockHer
The Charlotte Cathedral Squared Edge Solitaire Radiant Cut Engagement Ring Setting in Platinum
Cathedral Squared Edge Solitaire Radiant Cut · Platinum
$4,115.00
Cathedral Squared Edge Solitaire Pear Shape, in Platinum, prong setting | RockHer
The Charlotte Cathedral Squared Edge Solitaire Pear Engagement Ring Setting in Platinum
Cathedral Squared Edge Solitaire Pear · Platinum
$4,115.00
Cathedral Squared Edge Solitaire Princess, in Platinum, prong setting | RockHer
The Charlotte Cathedral Squared Edge Solitaire Princess Cut Engagement Ring Setting in Platinum
Cathedral Squared Edge Solitaire Princess Cut · Platinum
$4,115.00
The Charlotte Cathedral Squared Edge Solitaire Oval Engagement Ring Setting in Platinum
The Charlotte Cathedral Squared Edge Solitaire Oval Engagement Ring Setting in Platinum
Cathedral Squared Edge Solitaire Oval · Platinum
$4,115.00
Cathedral Squared Edge Solitaire Marquise, in Platinum, prong setting | RockHer
The Charlotte Cathedral Squared Edge Solitaire Marquise Engagement Ring Setting in Platinum
Cathedral Squared Edge Solitaire Marquise · Platinum
$4,115.00
Cathedral Squared Edge Solitaire Heart Shape, in Platinum, prong setting | RockHer
The Charlotte Cathedral Squared Edge Solitaire Heart Engagement Ring Setting in Platinum
Cathedral Squared Edge Solitaire Heart · Platinum
$4,115.00
The Charlotte Cathedral Squared Edge Solitaire Emerald Cut Engagement Ring Setting in Platinum
The Charlotte Cathedral Squared Edge Solitaire Emerald Cut Engagement Ring Setting in Platinum
Cathedral Squared Edge Solitaire Emerald Cut · Platinum
$4,115.00
The Charlotte Cathedral Squared Edge Solitaire Cushion Cut Engagement Ring Setting in Platinum
The Charlotte Cathedral Squared Edge Solitaire Cushion Cut Engagement Ring Setting in Platinum
Cathedral Squared Edge Solitaire Cushion Cut · Platinum
$4,115.00
Cathedral Squared Edge Solitaire Asscher, in Platinum, prong setting | RockHer
The Charlotte Cathedral Squared Edge Solitaire Asscher Cut Engagement Ring Setting in Platinum
Cathedral Squared Edge Solitaire Asscher Cut · Platinum
$4,115.00
Round Brilliant, Hand-Engraved Milgrain Halo, in Platinum, pave setting | RockHer
The Talea Hand Engraved Milgrain Halo Round Engagement Ring Setting in Platinum
Hand Engraved Milgrain Halo Round · Platinum
$4,760.00
Hand-Engraved Milgrain Halo Princess, in Platinum, pave setting | RockHer
The Talea Hand Engraved Milgrain Halo Princess Cut Engagement Ring Setting in Platinum
Hand Engraved Milgrain Halo Princess Cut · Platinum
$4,825.00
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.