Home 3 Carat Diamond Rings

3 Carat Diamond Rings

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

Double Claw Prong French Pavé Heart Shape, in Platinum | RockHer
The Kelly Double Claw Prong French Pavé Heart Engagement Ring Setting in Platinum
Double Claw Prong French Pavé Heart · Platinum
$2,890.00
Emerald Cut, Double Claw Prong French Pavé Emerald, in Platinum | RockHer
The Kelly Double Claw Prong French Pavé Emerald Cut Engagement Ring Setting in Platinum
Double Claw Prong French Pavé Emerald Cut · Platinum
$2,390.00
The Kelly Double Claw Prong French Pavé Cushion Cut Engagement Ring Setting in Platinum
The Kelly Double Claw Prong French Pavé Cushion Cut Engagement Ring Setting in Platinum
Double Claw Prong French Pavé Cushion Cut · Platinum
$2,890.00
Double Claw Prong French Pavé Asscher, in Platinum | RockHer
The Kelly Double Claw Prong French Pavé Asscher Cut Engagement Ring Setting in Platinum
Double Claw Prong French Pavé Asscher Cut · Platinum
$2,795.00
Contemporary Tapered Channel Radiant, in Platinum | RockHer
The Stevie Contemporary Channel Radiant Cut Engagement Ring Setting in Platinum
Contemporary Channel Radiant Cut · Platinum
$2,890.00
Contemporary Tapered Channel Pear Shape, in Platinum | RockHer
The Stevie Contemporary Channel Pear Engagement Ring Setting in Platinum
Contemporary Channel Pear · Platinum
$2,970.00
Contemporary Tapered Channel Oval, in Platinum | RockHer
The Stevie Contemporary Channel Oval Engagement Ring Setting in Platinum
Contemporary Channel Oval · Platinum
$2,985.00
Contemporary Tapered Channel Marquise, in Platinum | RockHer
The Stevie Contemporary Channel Marquise Engagement Ring Setting in Platinum
Contemporary Channel Marquise · Platinum
$3,170.00
Contemporary Tapered Channel Heart Shape, in Platinum – front view | RockHer
The Stevie Contemporary Channel Heart Engagement Ring Setting in Platinum
Contemporary Channel Heart · Platinum
$3,065.00
European Cut, Contemporary Tapered Channel Emerald, in Platinum | RockHer
The Stevie Contemporary Channel Emerald Cut Engagement Ring Setting in Platinum
Contemporary Channel Emerald Cut · Platinum
$2,970.00
Contemporary Tapered Channel Cushion, in Platinum | RockHer
The Stevie Contemporary Channel Cushion Cut Engagement Ring Setting in Platinum
Contemporary Channel Cushion Cut · Platinum
$2,970.00
Contemporary Tapered Channel Asscher, in Platinum | RockHer
The Stevie Contemporary Channel Asscher Cut Engagement Ring Setting in Platinum
Contemporary Channel Asscher Cut · Platinum
$2,970.00
The Donna Cathedral Engagement Ring Setting for Round Diamonds in Platinum | RockHer
The Donna Cathedral French Pavé Solitaire Round Engagement Ring Setting in Platinum
Cathedral French Pavé Solitaire Round · Platinum
$3,080.00
The Donna Cathedral French Pavé Solitaire Radiant Cut Engagement Ring Setting in Platinum
The Donna Cathedral French Pavé Solitaire Radiant Cut Engagement Ring Setting in Platinum
Cathedral French Pavé Solitaire Radiant Cut · Platinum
$3,170.00
The Donna Cathedral French Pavé Solitaire Pear Engagement Ring Setting in Platinum
The Donna Cathedral French Pavé Solitaire Pear Engagement Ring Setting in Platinum
Cathedral French Pavé Solitaire Pear · Platinum
$3,170.00
The Donna Cathedral French Pavé Solitaire Princess Cut Engagement Ring Setting in Platinum
The Donna Cathedral French Pavé Solitaire Princess Cut Engagement Ring Setting in Platinum
Cathedral French Pavé Solitaire Princess Cut · Platinum
$3,170.00
The Donna Cathedral French Pavé Solitaire Marquise Engagement Ring Setting in Platinum
The Donna Cathedral French Pavé Solitaire Marquise Engagement Ring Setting in Platinum
Cathedral French Pavé Solitaire Marquise · Platinum
$3,170.00
The Donna Cathedral French Pavé Solitaire Heart Engagement Ring Setting in Platinum
The Donna Cathedral French Pavé Solitaire Heart Engagement Ring Setting in Platinum
Cathedral French Pavé Solitaire Heart · Platinum
$3,170.00
The Donna Cathedral Engagement Ring Setting for Cushion Diamonds in 18K White Gold | RockHer
The Donna Cathedral French Pavé Solitaire Cushion Cut Engagement Ring Setting in Platinum
Cathedral French Pavé Solitaire Cushion Cut · Platinum
$3,170.00
The Donna Cathedral French Pavé Solitaire Asscher Cut Engagement Ring Setting in Platinum
The Donna Cathedral French Pavé Solitaire Asscher Cut Engagement Ring Setting in Platinum
Cathedral French Pavé Solitaire Asscher Cut · Platinum
$3,170.00
The Janis Hand Engraved Milgrain Vintage Solitaire Round Engagement Ring Setting in Platinum
The Janis Hand Engraved Milgrain Vintage Solitaire Round Engagement Ring Setting in Platinum
Hand Engraved Milgrain Vintage Solitaire Round · Platinum
$4,690.00
The Janis Hand Engraved Milgrain Vintage Solitaire Radiant Cut Engagement Ring Setting in Platinum
The Janis Hand Engraved Milgrain Vintage Solitaire Radiant Cut Engagement Ring Setting in Platinum
Hand Engraved Milgrain Vintage Solitaire Radiant Cut · Platinum
$4,690.00
The Janis Hand Engraved Milgrain Vintage Solitaire Pear Engagement Ring Setting in Platinum
The Janis Hand Engraved Milgrain Vintage Solitaire Pear Engagement Ring Setting in Platinum
Hand Engraved Milgrain Vintage Solitaire Pear · Platinum
$4,690.00
Hand-Engraved Milgrain Vintage Solitaire Princess, in Platinum, prong setting | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Princess Cut Engagement Ring Setting in Platinum
Hand Engraved Milgrain Vintage Solitaire Princess Cut · Platinum
$4,690.00
The Janis Hand Engraved Milgrain Vintage Solitaire Oval Engagement Ring Setting in Platinum
The Janis Hand Engraved Milgrain Vintage Solitaire Oval Engagement Ring Setting in Platinum
Hand Engraved Milgrain Vintage Solitaire Oval · Platinum
$4,690.00
The Janis Hand Engraved Milgrain Vintage Solitaire Marquise Engagement Ring Setting in Platinum
The Janis Hand Engraved Milgrain Vintage Solitaire Marquise Engagement Ring Setting in Platinum
Hand Engraved Milgrain Vintage Solitaire Marquise · Platinum
$4,690.00
The Janis Hand Engraved Milgrain Vintage Solitaire Emerald Cut Engagement Ring Setting in Platinum
The Janis Hand Engraved Milgrain Vintage Solitaire Emerald Cut Engagement Ring Setting in Platinum
Hand Engraved Milgrain Vintage Solitaire Emerald Cut · Platinum
$4,690.00
The Janis Solitaire Engagement Ring Setting for Cushion Diamonds in Platinum | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Cushion Cut Engagement Ring Setting in Platinum
Hand Engraved Milgrain Vintage Solitaire Cushion Cut · Platinum
$4,690.00
Hand-Engraved Milgrain Vintage Solitaire Asscher, in Platinum, prong setting | RockHer
The Janis Hand Engraved Milgrain Vintage Solitaire Asscher Cut Engagement Ring Setting in Platinum
Hand Engraved Milgrain Vintage Solitaire Asscher Cut · Platinum
$4,690.00
Round Brilliant, Hidden Pavé Basket Crown Solitaire, in 14K Rose Gold, prong setting | RockHer
The Annabelle Hidden Pavé Basket Crown Solitaire Round Engagement Ring Setting in 14K Rose Gold
Hidden Pavé Basket Crown Solitaire Round · 14K Rose Gold
$2,795.00
Hidden Pavé Basket Crown Solitaire Oval, in 14K Rose Gold, prong setting | RockHer
The Annabelle Hidden Pavé Basket Crown Solitaire Oval Engagement Ring Setting in 14K Rose Gold
Hidden Pavé Basket Crown Solitaire Oval · 14K Rose Gold
$2,795.00
European Cut, Hidden Pavé Basket Crown Solitaire Emerald, in 14K Rose Gold, prong setting | RockHer
The Annabelle Hidden Pavé Basket Crown Solitaire Emerald Cut Engagement Ring Setting in 14K Rose Gold
Hidden Pavé Basket Crown Solitaire Emerald Cut · 14K Rose Gold
$2,795.00
Round Brilliant, Antique Beaded Milgrain Halo, in 14K Rose Gold, pave setting | RockHer
The Molly Antique Beaded Milgrain Halo Round Engagement Ring Setting in 14K Rose Gold
Antique Beaded Milgrain Halo Round · 14K Rose Gold
$3,740.00
Antique Beaded Milgrain Halo Oval, in 14K Rose Gold, pave setting | RockHer
The Molly Antique Beaded Milgrain Halo Oval Engagement Ring Setting in 14K Rose Gold
Antique Beaded Milgrain Halo Oval · 14K Rose Gold
$3,780.00
Antique Beaded Milgrain Halo Marquise, in 14K Rose Gold, pave setting | RockHer
The Molly Antique Beaded Milgrain Halo Marquise Engagement Ring Setting in 14K Rose Gold
Antique Beaded Milgrain Halo Marquise · 14K Rose Gold
$3,780.00
European Cut, Antique Beaded Milgrain Halo Emerald, in 14K Rose Gold, pave setting | RockHer
The Molly Antique Beaded Milgrain Halo Emerald Cut Engagement Ring Setting in 14K Rose Gold
Antique Beaded Milgrain Halo Emerald Cut · 14K Rose Gold
$3,780.00
Round Brilliant, Antique Hand-Engraved Solitaire, in 14K Rose Gold | RockHer
The Stella Antique Hand Engraved Solitaire Round Engagement Ring Setting in 14K Rose Gold
Antique Hand Engraved Solitaire Round · 14K Rose Gold
$2,890.00
Antique Hand-Engraved Solitaire Princess, in 14K Rose Gold | RockHer
The Stella Antique Hand Engraved Solitaire Princess Cut Engagement Ring Setting in 14K Rose Gold
Antique Hand Engraved Solitaire Princess Cut · 14K Rose Gold
$2,985.00
Antique Hand-Engraved Solitaire Oval, in 14K Rose Gold | RockHer
The Stella Antique Hand Engraved Solitaire Oval Engagement Ring Setting in 14K Rose Gold
Antique Hand Engraved Solitaire Oval · 14K Rose Gold
$2,985.00
Round Brilliant, Vintage Wheat Engraved Halo, in 14K Rose Gold, prong setting | RockHer
The Ramona Vintage Wheat Engraved Halo Round Engagement Ring Setting in 14K Rose Gold
Vintage Wheat Engraved Halo Round · 14K Rose Gold
$3,540.00
Vintage Wheat Engraved Halo Oval, in 14K Rose Gold | RockHer
The Ramona Vintage Wheat Engraved Halo Oval Engagement Ring Setting in 14K Rose Gold
Vintage Wheat Engraved Halo Oval · 14K Rose Gold
$3,545.00
Vintage Wheat Engraved Halo Cushion, in 14K Rose Gold, prong setting | RockHer
The Ramona Vintage Wheat Engraved Halo Cushion Cut Engagement Ring Setting in 14K Rose Gold
Vintage Wheat Engraved Halo Cushion Cut · 14K Rose Gold
$3,450.00
Round Brilliant, Antique Scroll Bead Vintage, in 14K Rose Gold, pave setting | RockHer
The Wren Vintage Beaded Solitaire Round Engagement Ring Setting in 14K Rose Gold
Vintage Beaded Solitaire Round · 14K Rose Gold
$3,715.00
Antique Scroll Bead Vintage Oval, in 14K Rose Gold, pave setting | RockHer
The Wren Vintage Beaded Solitaire Oval Engagement Ring Setting in 14K Rose Gold
Vintage Beaded Solitaire Oval · 14K Rose Gold
$3,775.00
Round Brilliant, Twisted Rope Surprise Stone Solitaire, in 14K Rose Gold, prong setting | RockHer
The Charlie Twisted Rope Surprise Stone Solitaire Round Engagement Ring Setting in 14K Rose Gold
Twisted Rope Surprise Stone Solitaire Round · 14K Rose Gold
$2,235.00
Twisted Rope Surprise Stone Solitaire Oval, in 14K Rose Gold, prong setting | RockHer
The Charlie Twisted Rope Surprise Stone Solitaire Oval Engagement Ring Setting in 14K Rose Gold
Twisted Rope Surprise Stone Solitaire Oval · 14K Rose Gold
$2,235.00
Round Brilliant, Hand-Engraved Scroll Vintage Solitaire Round, in 14K Rose Gold, prong setting | RockHer
The Virginia Hand Engraved Scroll Vintage Solitaire Round Engagement Ring Setting in 14K Rose Gold
Hand Engraved Scroll Vintage Solitaire Round · 14K Rose Gold
$2,515.00
Hand-Engraved Scroll Vintage Solitaire Princess, in 14K Rose Gold, prong setting | RockHer
The Virginia Hand Engraved Scroll Vintage Solitaire Princess Cut Engagement Ring Setting in 14K Rose Gold
Hand Engraved Scroll Vintage Solitaire Princess Cut · 14K Rose Gold
$2,610.00
Round Brilliant, Comfort Fit Secret Stone Solitaire, in 14K Rose Gold, prong setting | RockHer
The Valerie Comfort Fit Secret Stone Solitaire Round Engagement Ring Setting in 14K Rose Gold
Comfort Fit Secret Stone Solitaire Round · 14K Rose Gold
$1,675.00
Comfort Fit Secret Stone Solitaire Pear Shape, in 14K Rose Gold, prong setting | RockHer
The Valerie Comfort Fit Secret Stone Solitaire Pear Engagement Ring Setting in 14K Rose Gold
Comfort Fit Secret Stone Solitaire Pear · 14K Rose Gold
$1,675.00
Round Brilliant, East-West Eight Claw Comfort Fit Solitaire, in 14K Rose Gold, pave setting | RockHer
The Spring East West Eight Claw Comfort Fit Solitaire Round Engagement Ring Setting in 14K Rose Gold
East West Eight Claw Comfort Fit Solitaire Round · 14K Rose Gold
$1,865.00
East-West Eight Claw Comfort Fit Solitaire Oval, in 14K Rose Gold, pave setting | RockHer
The Spring East West Eight Claw Comfort Fit Solitaire Oval Engagement Ring Setting in 14K Rose Gold
East West Eight Claw Comfort Fit Solitaire Oval · 14K Rose Gold
$1,955.00
Round Brilliant, Modern Wide Split Shank Solitaire, in 14K Rose Gold, prong setting | RockHer
The Rosemary Modern Wide Split Shank Solitaire Round Engagement Ring Setting in 14K Rose Gold
Modern Wide Split Shank Solitaire Round · 14K Rose Gold
$3,640.00
Modern Wide Split Shank Solitaire Princess, in 14K Rose Gold, prong setting | RockHer
The Rosemary Modern Wide Split Shank Solitaire Princess Cut Engagement Ring Setting in 14K Rose Gold
Modern Wide Split Shank Solitaire Princess Cut · 14K Rose Gold
$3,675.00
Round Brilliant, Comfort Fit Cathedral Solitaire, in 14K Rose Gold | RockHer
The Mary Comfort Fit Cathedral Solitaire Round Engagement Ring Setting in 14K Rose Gold
Comfort Fit Cathedral Solitaire Round · 14K Rose Gold
$1,955.00
Comfort Fit Cathedral Solitaire Princess, in 14K Rose Gold | RockHer
The Mary Comfort Fit Cathedral Solitaire Princess Cut Engagement Ring Setting in 14K Rose Gold
Comfort Fit Cathedral Solitaire Princess Cut · 14K Rose Gold
$1,955.00
Comfort Fit Cathedral Solitaire Cushion, in 14K Rose Gold | RockHer
The Mary Comfort Fit Cathedral Solitaire Cushion Cut Engagement Ring Setting in 14K Rose Gold
Comfort Fit Cathedral Solitaire Cushion Cut · 14K Rose Gold
$1,955.00
Round Brilliant, Cathedral Surprise Stone Solitaire, in 14K Rose Gold, prong setting | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Round Engagement Ring Setting in 14K Rose Gold
Cathedral Surprise Stone Solitaire Round · 14K Rose Gold
$2,330.00
Cathedral Surprise Stone Solitaire Pear Shape, in 14K Rose Gold, prong setting | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Pear Engagement Ring Setting in 14K Rose Gold
Cathedral Surprise Stone Solitaire Pear · 14K Rose Gold
$2,330.00
Cathedral Surprise Stone Solitaire Princess, in 14K Rose Gold, prong setting | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Princess Cut Engagement Ring Setting in 14K Rose Gold
Cathedral Surprise Stone Solitaire Princess Cut · 14K Rose Gold
$2,330.00
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.