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 Caroline emerald engagement ring setting in Platinum | RockHer
The Caroline Three Stone Emerald Cut Engagement Ring Setting in 18K White Gold
Three Stone Emerald Cut · 18K White Gold
$3,545.00
The Athena round engagement ring setting in 18K White Gold | RockHer
The Athena Criss Cross Bypass Twist Round Engagement Ring Setting in 18K White Gold
Criss Cross Bypass Twist Round · 18K White Gold
$2,890.00
The Athena oval engagement ring setting in 18K White Gold | RockHer
The Athena Criss Cross Bypass Twist Oval Engagement Ring Setting in 18K White Gold
Criss Cross Bypass Twist Oval · 18K White Gold
$2,890.00
The Athena marquise engagement ring setting in 18K White Gold | RockHer
The Athena Criss Cross Bypass Twist Marquise Engagement Ring Setting in 18K White Gold
Criss Cross Bypass Twist Marquise · 18K White Gold
$2,890.00
The Tatyana princess engagement ring setting in 18K White Gold | RockHer
The Tatyana Bypass Pavé Swirl Princess Cut Engagement Ring Setting in 18K White Gold
Bypass Pavé Swirl Princess Cut · 18K White Gold
$4,345.00
The Carole round engagement ring setting in 18K White Gold | RockHer
The Carole Two Row Pavé Split Shank Round Engagement Ring Setting in 18K White Gold
Two Row Pavé Split Shank Round · 18K White Gold
$4,090.00
The Carole pear engagement ring setting in 18K White Gold | RockHer
The Carole Two Row Pavé Split Shank Pear Engagement Ring Setting in 18K White Gold
Two Row Pavé Split Shank Pear · 18K White Gold
$4,090.00
The Carole princess engagement ring setting in 18K White Gold | RockHer
The Carole Two Row Pavé Split Shank Princess Cut Engagement Ring Setting in 18K White Gold
Two Row Pavé Split Shank Princess Cut · 18K White Gold
$4,090.00
The Carole marquise engagement ring setting in Platinum | RockHer
The Carole Two Row Pavé Split Shank Marquise Engagement Ring Setting in 18K White Gold
Two Row Pavé Split Shank Marquise · 18K White Gold
$4,090.00
The Carole emerald engagement ring setting in Platinum | RockHer
The Carole Two Row Pavé Split Shank Emerald Cut Engagement Ring Setting in 18K White Gold
Two Row Pavé Split Shank Emerald Cut · 18K White Gold
$4,090.00
The Christina round engagement ring setting in 18K White Gold | RockHer
The Christina East West Horizontal Halo Round Engagement Ring Setting in 18K White Gold
East West Horizontal Halo Round · 18K White Gold
$3,450.00
The Christina oval engagement ring setting in 18K White Gold | RockHer
The Christina East West Horizontal Halo Oval Engagement Ring Setting in 18K White Gold
East West Horizontal Halo Oval · 18K White Gold
$3,545.00
The Christina marquise engagement ring setting in 18K White Gold | RockHer
The Christina East West Horizontal Halo Marquise Engagement Ring Setting in 18K White Gold
East West Horizontal Halo Marquise · 18K White Gold
$3,740.00
The Christina emerald engagement ring setting in 18K White Gold | RockHer
The Christina East West Horizontal Halo Emerald Cut Engagement Ring Setting in 18K White Gold
East West Horizontal Halo Emerald Cut · 18K White Gold
$3,545.00
The Diana oval engagement ring setting in Platinum | RockHer
The Diana Tapered Baguette Three Stone Oval Engagement Ring Setting in 18K White Gold
Tapered Baguette Three Stone Oval · 18K White Gold
$2,425.00
The Diana emerald engagement ring setting in 18K White Gold | RockHer
The Diana Tapered Baguette Three Stone Emerald Cut Engagement Ring Setting in 18K White Gold
Tapered Baguette Three Stone Emerald Cut · 18K White Gold
$2,795.00
The Diana cushion engagement ring setting in 18K White Gold | RockHer
The Diana Tapered Baguette Three Stone Cushion Cut Engagement Ring Setting in 18K White Gold
Tapered Baguette Three Stone Cushion Cut · 18K White Gold
$2,425.00
The Diana asscher engagement ring setting in 18K White Gold | RockHer
The Diana Tapered Baguette Three Stone Asscher Cut Engagement Ring Setting in 18K White Gold
Tapered Baguette Three Stone Asscher Cut · 18K White Gold
$2,425.00
The Mimi round engagement ring setting in 18K White Gold | RockHer
The Mimi Graduated Linear Pavé Round Engagement Ring Setting in 18K White Gold
Graduated Linear Pavé Round · 18K White Gold
$3,780.00
The Mimi princess engagement ring setting in 18K White Gold | RockHer
The Mimi Graduated Linear Pavé Princess Cut Engagement Ring Setting in 18K White Gold
Graduated Linear Pavé Princess Cut · 18K White Gold
$3,815.00
The Mimi emerald engagement ring setting in 18K White Gold | RockHer
The Mimi Diamond With Graduated Side Stone In 18kwhite Ct Tw Ew80161hivs Ec125rh Emerald Cut Engagement Ring Setting in 18K White Gold
Diamond With Graduated Side Stone In 18kwhite Ct Tw Ew80161hivs Ec125rh Emerald Cut · 18K White Gold
$3,815.00
The Mimi cushion engagement ring setting in 18K White Gold | RockHer
The Mimi Graduated Linear Pavé Cushion Cut Engagement Ring Setting in 18K White Gold
Graduated Linear Pavé Cushion Cut · 18K White Gold
$3,815.00
The Micaela round engagement ring setting in 18K White Gold | RockHer
The Micaela Pinched Channel Side Stone Round Engagement Ring Setting in 18K White Gold
Pinched Channel Side Stone Round · 18K White Gold
$3,265.00
The Micaela princess engagement ring setting in 18K White Gold | RockHer
The Micaela Pinched Channel Side Stone Princess Cut Engagement Ring Setting in 18K White Gold
Pinched Channel Side Stone Princess Cut · 18K White Gold
$3,325.00
The Marguerite round engagement ring setting in 18K White Gold | RockHer
The Marguerite Bypass Twist Pavé Swirl Round Engagement Ring Setting in 18K White Gold
Bypass Twist Pavé Swirl Round · 18K White Gold
$4,655.00
The Marguerite princess engagement ring setting in 18K White Gold | RockHer
The Marguerite Bypass Twist Pavé Swirl Princess Cut Engagement Ring Setting in 18K White Gold
Bypass Twist Pavé Swirl Princess Cut · 18K White Gold
$4,695.00
The Lolette round engagement ring setting in 18K White Gold | RockHer
The Lolette Classic Low Base Solitaire Round Engagement Ring Setting in 18K White Gold
Classic Low Base Solitaire Round · 18K White Gold
$1,805.00
The Lolette radiant engagement ring setting in 18K White Gold | RockHer
The Lolette Classic Low Base Solitaire Radiant Cut Engagement Ring Setting in 18K White Gold
Classic Low Base Solitaire Radiant Cut · 18K White Gold
$1,805.00
The Lolette pear engagement ring setting in 18K White Gold | RockHer
The Lolette Classic Low Base Solitaire Pear Engagement Ring Setting in 18K White Gold
Classic Low Base Solitaire Pear · 18K White Gold
$1,805.00
The Lolette princess engagement ring setting in 18K White Gold | RockHer
The Lolette Classic Low Base Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Classic Low Base Solitaire Princess Cut · 18K White Gold
$1,805.00
The Lolette oval engagement ring setting in Platinum | RockHer
The Lolette Classic Low Base Solitaire Oval Engagement Ring Setting in 18K White Gold
Classic Low Base Solitaire Oval · 18K White Gold
$1,805.00
The Lolette marquise engagement ring setting in 18K White Gold | RockHer
The Lolette Classic Low Base Solitaire Marquise Engagement Ring Setting in 18K White Gold
Classic Low Base Solitaire Marquise · 18K White Gold
$1,805.00
The Lolette heart engagement ring setting in 18K White Gold | RockHer
The Lolette Classic Low Base Solitaire Heart Engagement Ring Setting in 18K White Gold
Classic Low Base Solitaire Heart · 18K White Gold
$1,805.00
The Lolette emerald engagement ring setting in 18K White Gold | RockHer
The Lolette Classic Low Base Solitaire Emerald Cut Engagement Ring Setting in 18K White Gold
Classic Low Base Solitaire Emerald Cut · 18K White Gold
$2,050.00
The Lolette cushion engagement ring setting in 18K White Gold | RockHer
The Lolette Classic Low Base Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Classic Low Base Solitaire Cushion Cut · 18K White Gold
$1,805.00
The Lolette asscher engagement ring setting in 18K White Gold | RockHer
The Lolette Classic Low Base Solitaire Asscher Cut Engagement Ring Setting in 18K White Gold
Classic Low Base Solitaire Asscher Cut · 18K White Gold
$1,805.00
The Juliette round engagement ring setting in Platinum | RockHer
The Juliette Elegant Cathedral Squared Edge Solitaire Round Engagement Ring Setting in 18K White Gold
Elegant Cathedral Squared Edge Solitaire Round · 18K White Gold
$3,640.00
The Juliette pear engagement ring setting in 18K White Gold | RockHer
The Juliette Elegant Cathedral Squared Edge Solitaire Pear Engagement Ring Setting in 18K White Gold
Elegant Cathedral Squared Edge Solitaire Pear · 18K White Gold
$3,640.00
The Juliette princess engagement ring setting in 18K White Gold | RockHer
The Juliette Elegant Cathedral Squared Edge Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Elegant Cathedral Squared Edge Solitaire Princess Cut · 18K White Gold
$3,640.00
The Juliette oval engagement ring setting in Platinum | RockHer
The Juliette Elegant Cathedral Squared Edge Solitaire Oval Engagement Ring Setting in 18K White Gold
Elegant Cathedral Squared Edge Solitaire Oval · 18K White Gold
$3,640.00
The Juliette marquise engagement ring setting in Platinum | RockHer
The Juliette Elegant Cathedral Squared Edge Solitaire Marquise Engagement Ring Setting in 18K White Gold
Elegant Cathedral Squared Edge Solitaire Marquise · 18K White Gold
$3,640.00
The Juliette heart engagement ring setting in 18K White Gold | RockHer
The Juliette Elegant Cathedral Squared Edge Solitaire Heart Engagement Ring Setting in 18K White Gold
Elegant Cathedral Squared Edge Solitaire Heart · 18K White Gold
$3,640.00
The Juliette setting for emerald diamonds, made to order in Platinum | RockHer
The Juliette Elegant Cathedral Squared Edge Solitaire Emerald Cut Engagement Ring Setting in 18K White Gold
Elegant Cathedral Squared Edge Solitaire Emerald Cut · 18K White Gold
$3,640.00
The Juliette cushion engagement ring setting in Platinum | RockHer
The Juliette Elegant Cathedral Squared Edge Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Elegant Cathedral Squared Edge Solitaire Cushion Cut · 18K White Gold
$3,640.00
The Juliette asscher engagement ring setting in 18K White Gold | RockHer
The Juliette Elegant Cathedral Squared Edge Solitaire Asscher Cut Engagement Ring Setting in 18K White Gold
Elegant Cathedral Squared Edge Solitaire Asscher Cut · 18K White Gold
$3,640.00
The Isolde round engagement ring setting in Platinum | RockHer
The Isolde Petite Knife Edge Solitaire Round Engagement Ring Setting in 18K White Gold
Petite Knife Edge Solitaire Round · 18K White Gold
$1,805.00
The Isolde radiant engagement ring setting in 18K White Gold | RockHer
The Isolde Petite Knife Edge Solitaire Radiant Cut Engagement Ring Setting in 18K White Gold
Petite Knife Edge Solitaire Radiant Cut · 18K White Gold
$1,805.00
The Isolde pear engagement ring setting in Platinum | RockHer
The Isolde Petite Knife Edge Solitaire Pear Engagement Ring Setting in 18K White Gold
Petite Knife Edge Solitaire Pear · 18K White Gold
$1,805.00
The Isolde princess engagement ring setting in 18K White Gold | RockHer
The Isolde Petite Knife Edge Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Petite Knife Edge Solitaire Princess Cut · 18K White Gold
$1,805.00
The Isolde oval engagement ring setting in Platinum | RockHer
The Isolde Petite Knife Edge Solitaire Oval Engagement Ring Setting in 18K White Gold
Petite Knife Edge Solitaire Oval · 18K White Gold
$1,805.00
The Isolde marquise engagement ring setting in Platinum | RockHer
The Isolde Petite Knife Edge Solitaire Marquise Engagement Ring Setting in 18K White Gold
Petite Knife Edge Solitaire Marquise · 18K White Gold
$1,805.00
The Isolde heart engagement ring setting in 18K White Gold | RockHer
The Isolde Petite Knife Edge Solitaire Heart Engagement Ring Setting in 18K White Gold
Petite Knife Edge Solitaire Heart · 18K White Gold
$1,805.00
The Isolde emerald engagement ring setting in Platinum | RockHer
The Isolde Petite Knife Edge Solitaire Emerald Cut Engagement Ring Setting in 18K White Gold
Petite Knife Edge Solitaire Emerald Cut · 18K White Gold
$1,805.00
The Isolde cushion engagement ring setting in Platinum | RockHer
The Isolde Petite Knife Edge Solitaire Cushion Cut Engagement Ring Setting in 18K White Gold
Petite Knife Edge Solitaire Cushion Cut · 18K White Gold
$1,805.00
The Isolde asscher engagement ring setting in 18K White Gold | RockHer
The Isolde Petite Knife Edge Solitaire Asscher Cut Engagement Ring Setting in 18K White Gold
Petite Knife Edge Solitaire Asscher Cut · 18K White Gold
$1,805.00
The Gilda round engagement ring setting in 18K White Gold | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Round Engagement Ring Setting in 18K White Gold
Five Prong Comfort Fit Claw Solitaire Round · 18K White Gold
$2,145.00
The Gilda radiant engagement ring setting in 18K White Gold | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Radiant Cut Engagement Ring Setting in 18K White Gold
Five Prong Comfort Fit Claw Solitaire Radiant Cut · 18K White Gold
$2,145.00
The Gilda pear engagement ring setting in 18K White Gold | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Pear Engagement Ring Setting in 18K White Gold
Five Prong Comfort Fit Claw Solitaire Pear · 18K White Gold
$2,145.00
The Gilda princess engagement ring setting in 18K White Gold | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Princess Cut Engagement Ring Setting in 18K White Gold
Five Prong Comfort Fit Claw Solitaire Princess Cut · 18K White Gold
$2,145.00
The Gilda oval engagement ring setting in 18K White Gold | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Oval Engagement Ring Setting in 18K White Gold
Five Prong Comfort Fit Claw Solitaire Oval · 18K White Gold
$2,145.00
Made Entirely to Order · Every Time✦ Natural Accent Diamonds✦ Solid Gold & Platinum Only✦ 40 Day Returns✦ GIA & IGI Certified✦Made Entirely to Order · Every Time✦ Natural Accent Diamonds✦ Solid Gold & Platinum Only✦ 40 Day Returns✦ GIA & IGI Certified✦
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Engagement Rings
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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

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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.