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 Brilliant, Twisted Bypass Solitaire, in Platinum | RockHer
The Joplin Twisted Bypass Solitaire Round Engagement Ring Setting in Platinum
Twisted Bypass Solitaire Round · Platinum
$3,360.00
Twisted Bypass Solitaire Princess, in Platinum – side profile | RockHer
The Joplin Twisted Bypass Solitaire Princess Cut Engagement Ring Setting in Platinum
Twisted Bypass Solitaire Princess Cut · Platinum
$3,450.00
Twisted Bypass Solitaire Oval, in Platinum | RockHer
The Joplin Twisted Bypass Solitaire Oval Engagement Ring Setting in Platinum
Twisted Bypass Solitaire Oval · Platinum
$3,450.00
Twisted Bypass Solitaire Cushion, in Platinum | RockHer
The Joplin Twisted Bypass Solitaire Cushion Cut Engagement Ring Setting in Platinum
Twisted Bypass Solitaire Cushion Cut · Platinum
$3,450.00
The Tina Triple Row Pavé Round Engagement Ring Setting in Platinum
The Tina Triple Row Pavé Round Engagement Ring Setting in Platinum
Triple Row Pavé Round · Platinum
$4,435.00
The Ivy Three Stone Delicate Halo Round Engagement Ring Setting in Platinum
The Ivy Three Stone Delicate Halo Round Engagement Ring Setting in Platinum
Three Stone Delicate Halo Round · Platinum
$4,570.00
Three Stone Delicate Halo Oval, in Platinum – angled view | RockHer
The Ivy Three Stone Delicate Halo Oval Engagement Ring Setting in Platinum
Three Stone Delicate Halo Oval · Platinum
$4,320.00
Round Brilliant, Stair Step Double Halo, in Platinum | RockHer
The Goldy Stair Double Halo Round Engagement Ring Setting in Platinum
Stair Double Halo Round · Platinum
$5,755.00
Stair Step Double Halo Cushion, in Platinum | RockHer
The Goldy Stair Double Halo Cushion Cut Engagement Ring Setting in Platinum
Stair Double Halo Cushion Cut · Platinum
$5,605.00
Floral Halo Oval, in Platinum – angled view | RockHer
The Eloise Floral Halo Oval Engagement Ring Setting in Platinum
Floral Halo Oval · Platinum
$4,110.00
The Elliott Hidden Halo Pavé Oval Engagement Ring Setting in Platinum
The Elliott Hidden Halo Pavé Oval Engagement Ring Setting in Platinum
Hidden Halo Pavé Oval · Platinum
$3,265.00
The Elliott Hidden Halo Pavé Cushion Cut Engagement Ring Setting in Platinum
The Elliott Hidden Halo Pavé Cushion Cut Engagement Ring Setting in Platinum
Hidden Halo Pavé Cushion Cut · Platinum
$3,170.00
Two Row Pavé Split Shank Pear Shape, in Platinum | RockHer
The Carole Two Row Pavé Split Shank Pear Engagement Ring Setting in Platinum
Two Row Pavé Split Shank Pear · Platinum
$4,390.00
Two Row Pavé Split Shank Princess, in Platinum | RockHer
The Carole Two Row Pavé Split Shank Princess Cut Engagement Ring Setting in Platinum
Two Row Pavé Split Shank Princess Cut · Platinum
$4,390.00
Round Brilliant, East West Horizontal Halo, in Platinum | RockHer
The Christina East West Horizontal Halo Round Engagement Ring Setting in Platinum
East West Horizontal Halo Round · Platinum
$3,730.00
East West Horizontal Halo Oval, in Platinum | RockHer
The Christina East West Horizontal Halo Oval Engagement Ring Setting in Platinum
East West Horizontal Halo Oval · Platinum
$3,785.00
East West Horizontal Halo Marquise, in Platinum | RockHer
The Christina East West Horizontal Halo Marquise Engagement Ring Setting in Platinum
East West Horizontal Halo Marquise · Platinum
$3,970.00
European Cut, East West Horizontal Halo Emerald, in Platinum | RockHer
The Christina East West Horizontal Halo Emerald Cut Engagement Ring Setting in Platinum
East West Horizontal Halo Emerald Cut · Platinum
$3,785.00
Round Brilliant, Baguette and Round Side Stone, in Platinum | RockHer
The Diana Tapered Baguette Three Stone Round Engagement Ring Setting in Platinum
Tapered Baguette Three Stone Round · Platinum
$2,515.00
Emerald Cut, Baguette and Round Side Stone Emerald, in Platinum | RockHer
The Diana Tapered Baguette Three Stone Emerald Cut Engagement Ring Setting in Platinum
Tapered Baguette Three Stone Emerald Cut · Platinum
$2,610.00
Princess, Bypass Twist Pavé Swirl, in Platinum | RockHer
The Marguerite Bypass Twist Pavé Swirl Princess Cut Engagement Ring Setting in Platinum
Bypass Twist Pavé Swirl Princess Cut · Platinum
$5,100.00
Round Brilliant, Classic Low Base Solitaire, in Platinum, prong setting | RockHer
The Lolette Classic Low Base Solitaire Round Engagement Ring Setting in Platinum
Classic Low Base Solitaire Round · Platinum
$2,140.00
Classic Low Base Solitaire Radiant, in Platinum, prong setting | RockHer
The Lolette Classic Low Base Solitaire Radiant Cut Engagement Ring Setting in Platinum
Classic Low Base Solitaire Radiant Cut · Platinum
$2,140.00
Classic Low Base Solitaire Pear Shape, in Platinum, prong setting | RockHer
The Lolette Classic Low Base Solitaire Pear Engagement Ring Setting in Platinum
Classic Low Base Solitaire Pear · Platinum
$2,140.00
Classic Low Base Solitaire Princess, in Platinum, prong setting | RockHer
The Lolette Classic Low Base Solitaire Princess Cut Engagement Ring Setting in Platinum
Classic Low Base Solitaire Princess Cut · Platinum
$2,140.00
The Lolette Classic Low Base Solitaire Oval Engagement Ring Setting in Platinum
The Lolette Classic Low Base Solitaire Oval Engagement Ring Setting in Platinum
Classic Low Base Solitaire Oval · Platinum
$2,140.00
Classic Low Base Solitaire Marquise, in Platinum, prong setting | RockHer
The Lolette Classic Low Base Solitaire Marquise Engagement Ring Setting in Platinum
Classic Low Base Solitaire Marquise · Platinum
$2,140.00
Classic Low Base Solitaire Heart Shape, in Platinum, prong setting | RockHer
The Lolette Classic Low Base Solitaire Heart Engagement Ring Setting in Platinum
Classic Low Base Solitaire Heart · Platinum
$2,140.00
European Cut, Classic Low Base Solitaire Emerald, in Platinum, prong setting | RockHer
The Lolette Classic Low Base Solitaire Emerald Cut Engagement Ring Setting in Platinum
Classic Low Base Solitaire Emerald Cut · Platinum
$2,145.00
Classic Low Base Solitaire Asscher, in Platinum, prong setting | RockHer
The Lolette Classic Low Base Solitaire Asscher Cut Engagement Ring Setting in Platinum
Classic Low Base Solitaire Asscher Cut · Platinum
$2,140.00
The Juliette Elegant Cathedral Squared Edge Solitaire Round Engagement Ring Setting in Platinum
The Juliette Elegant Cathedral Squared Edge Solitaire Round Engagement Ring Setting in Platinum
Elegant Cathedral Squared Edge Solitaire Round · Platinum
$4,050.00
Elegant Cathedral Squared Edge Solitaire Pear Shape, in Platinum, prong setting | RockHer
The Juliette Elegant Cathedral Squared Edge Solitaire Pear Engagement Ring Setting in Platinum
Elegant Cathedral Squared Edge Solitaire Pear · Platinum
$4,050.00
Elegant Cathedral Squared Edge Solitaire Princess, in Platinum, prong setting | RockHer
The Juliette Elegant Cathedral Squared Edge Solitaire Princess Cut Engagement Ring Setting in Platinum
Elegant Cathedral Squared Edge Solitaire Princess Cut · Platinum
$4,050.00
The Juliette Elegant Cathedral Squared Edge Solitaire Oval Engagement Ring Setting in Platinum
The Juliette Elegant Cathedral Squared Edge Solitaire Oval Engagement Ring Setting in Platinum
Elegant Cathedral Squared Edge Solitaire Oval · Platinum
$4,050.00
The Juliette Elegant Cathedral Squared Edge Solitaire Marquise Engagement Ring Setting in Platinum
The Juliette Elegant Cathedral Squared Edge Solitaire Marquise Engagement Ring Setting in Platinum
Elegant Cathedral Squared Edge Solitaire Marquise · Platinum
$4,050.00
Elegant Cathedral Squared Edge Solitaire Heart Shape, in Platinum, prong setting | RockHer
The Juliette Elegant Cathedral Squared Edge Solitaire Heart Engagement Ring Setting in Platinum
Elegant Cathedral Squared Edge Solitaire Heart · Platinum
$4,050.00
The Juliette Elegant Cathedral Squared Edge Solitaire Emerald Cut Engagement Ring Setting in Platinum
The Juliette Elegant Cathedral Squared Edge Solitaire Emerald Cut Engagement Ring Setting in Platinum
Elegant Cathedral Squared Edge Solitaire Emerald Cut · Platinum
$4,050.00
The Juliette Elegant Cathedral Squared Edge Solitaire Cushion Cut Engagement Ring Setting in Platinum
The Juliette Elegant Cathedral Squared Edge Solitaire Cushion Cut Engagement Ring Setting in Platinum
Elegant Cathedral Squared Edge Solitaire Cushion Cut · Platinum
$4,050.00
Elegant Cathedral Squared Edge Solitaire Asscher, in Platinum, prong setting | RockHer
The Juliette Elegant Cathedral Squared Edge Solitaire Asscher Cut Engagement Ring Setting in Platinum
Elegant Cathedral Squared Edge Solitaire Asscher Cut · Platinum
$4,050.00
The Isolde Petite Knife Edge Solitaire Round Engagement Ring Setting in Platinum
The Isolde Petite Knife Edge Solitaire Round Engagement Ring Setting in Platinum
Petite Knife Edge Solitaire Round · Platinum
$2,140.00
Petite Knife Edge Solitaire Radiant, in Platinum, prong setting | RockHer
The Isolde Petite Knife Edge Solitaire Radiant Cut Engagement Ring Setting in Platinum
Petite Knife Edge Solitaire Radiant Cut · Platinum
$2,140.00
The Isolde Petite Knife Edge Solitaire Pear Engagement Ring Setting in Platinum
The Isolde Petite Knife Edge Solitaire Pear Engagement Ring Setting in Platinum
Petite Knife Edge Solitaire Pear · Platinum
$2,140.00
Petite Knife Edge Solitaire Princess, in Platinum, prong setting | RockHer
The Isolde Petite Knife Edge Solitaire Princess Cut Engagement Ring Setting in Platinum
Petite Knife Edge Solitaire Princess Cut · Platinum
$2,140.00
The Isolde Petite Knife Edge Solitaire Marquise Engagement Ring Setting in Platinum
The Isolde Petite Knife Edge Solitaire Marquise Engagement Ring Setting in Platinum
Petite Knife Edge Solitaire Marquise · Platinum
$2,140.00
Petite Knife Edge Solitaire Heart Shape, in Platinum, prong setting | RockHer
The Isolde Petite Knife Edge Solitaire Heart Engagement Ring Setting in Platinum
Petite Knife Edge Solitaire Heart · Platinum
$2,140.00
The Isolde Petite Knife Edge Solitaire Emerald Cut Engagement Ring Setting in Platinum
The Isolde Petite Knife Edge Solitaire Emerald Cut Engagement Ring Setting in Platinum
Petite Knife Edge Solitaire Emerald Cut · Platinum
$6,195.00
The Isolde Petite Knife Edge Solitaire Cushion Cut Engagement Ring Setting in Platinum
The Isolde Petite Knife Edge Solitaire Cushion Cut Engagement Ring Setting in Platinum
Petite Knife Edge Solitaire Cushion Cut · Platinum
$2,140.00
Petite Knife Edge Solitaire Asscher, in Platinum, prong setting | RockHer
The Isolde Petite Knife Edge Solitaire Asscher Cut Engagement Ring Setting in Platinum
Petite Knife Edge Solitaire Asscher Cut · Platinum
$2,140.00
Round Brilliant, Five Prong Comfort Fit Claw Solitaire, in Platinum | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Round Engagement Ring Setting in Platinum
Five Prong Comfort Fit Claw Solitaire Round · Platinum
$2,330.00
Five Prong Comfort Fit Claw Solitaire Pear Shape, in Platinum | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Pear Engagement Ring Setting in Platinum
Five Prong Comfort Fit Claw Solitaire Pear · Platinum
$2,425.00
Five Prong Comfort Fit Claw Solitaire Princess, in Platinum | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Princess Cut Engagement Ring Setting in Platinum
Five Prong Comfort Fit Claw Solitaire Princess Cut · Platinum
$2,425.00
Five Prong Comfort Fit Claw Solitaire Marquise, in Platinum | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Marquise Engagement Ring Setting in Platinum
Five Prong Comfort Fit Claw Solitaire Marquise · Platinum
$2,425.00
Five Prong Comfort Fit Claw Solitaire Heart Shape, in Platinum | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Heart Engagement Ring Setting in Platinum
Five Prong Comfort Fit Claw Solitaire Heart · Platinum
$2,425.00
Five Prong Comfort Fit Claw Solitaire Cushion, in Platinum | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Cushion Cut Engagement Ring Setting in Platinum
Five Prong Comfort Fit Claw Solitaire Cushion Cut · Platinum
$2,425.00
Five Prong Comfort Fit Claw Solitaire Asscher, in Platinum | RockHer
The Gilda Five Prong Comfort Fit Claw Solitaire Asscher Cut Engagement Ring Setting in Platinum
Five Prong Comfort Fit Claw Solitaire Asscher Cut · Platinum
$2,425.00
Round Brilliant, Round Comfort Fit Claw Prong Solitaire, in Platinum | RockHer
The Floria Comfort Fit Claw Prong Solitaire Round Engagement Ring Setting in Platinum
Comfort Fit Claw Prong Solitaire Round · Platinum
$2,140.00
Round Comfort Fit Claw Prong Solitaire Radiant, in Platinum | RockHer
The Floria Comfort Fit Claw Prong Solitaire Radiant Cut Engagement Ring Setting in Platinum
Comfort Fit Claw Prong Solitaire Radiant Cut · Platinum
$3,575.00
Round Comfort Fit Claw Prong Solitaire Pear Shape, in Platinum | RockHer
The Floria Comfort Fit Claw Prong Solitaire Pear Engagement Ring Setting in Platinum
Comfort Fit Claw Prong Solitaire Pear · Platinum
$2,140.00
Round Comfort Fit Claw Prong Solitaire Princess, in Platinum | RockHer
The Floria Comfort Fit Claw Prong Solitaire Princess Cut Engagement Ring Setting in Platinum
Comfort Fit Claw Prong Solitaire Princess Cut · Platinum
$2,140.00
Round Comfort Fit Claw Prong Solitaire Marquise, in Platinum | RockHer
The Floria Comfort Fit Claw Prong Solitaire Marquise Engagement Ring Setting in Platinum
Comfort Fit Claw Prong Solitaire Marquise · Platinum
$2,140.00
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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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.