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 Toni round engagement ring setting in Platinum | RockHer
The Toni Double Row Split Shank Halo Round Engagement Ring Setting in 18K White Gold
Double Row Split Shank Halo Round · 18K White Gold
$4,120.00
The Toni princess engagement ring setting in 18K White Gold | RockHer
The Toni Double Row Split Shank Halo Princess Cut Engagement Ring Setting in 18K White Gold
Double Row Split Shank Halo Princess Cut · 18K White Gold
$4,150.00
The Toni cushion engagement ring setting in 18K White Gold | RockHer
The Toni Double Row Split Shank Halo Cushion Cut Engagement Ring Setting in 18K White Gold
Double Row Split Shank Halo Cushion Cut · 18K White Gold
$4,150.00
The Joan round engagement ring setting in Platinum | RockHer
The Joan Crossover Pavé Halo Round Engagement Ring Setting in 18K White Gold
Crossover Pavé Halo Round · 18K White Gold
$4,270.00
The Joan princess engagement ring setting in Platinum | RockHer
The Joan Crossover Pavé Halo Princess Cut Engagement Ring Setting in 18K White Gold
Crossover Pavé Halo Princess Cut · 18K White Gold
$4,305.00
The Joan cushion engagement ring setting in Platinum | RockHer
The Joan Crossover Pavé Halo Cushion Cut Engagement Ring Setting in 18K White Gold
Crossover Pavé Halo Cushion Cut · 18K White Gold
$4,305.00
The Audra round engagement ring setting in Platinum | RockHer
The Audra Twisted Scalloped Pavé Halo Round Engagement Ring Setting in 18K White Gold
Twisted Scalloped Pavé Halo Round · 18K White Gold
$4,410.00
The Audra princess engagement ring setting in Platinum | RockHer
The Audra Twisted Scalloped Pavé Halo Princess Cut Engagement Ring Setting in 18K White Gold
Twisted Scalloped Pavé Halo Princess Cut · 18K White Gold
$4,445.00
The Audra cushion engagement ring setting in Platinum | RockHer
The Audra Twisted Scalloped Pavé Halo Cushion Cut Engagement Ring Setting in 18K White Gold
Twisted Scalloped Pavé Halo Cushion Cut · 18K White Gold
$4,445.00
The Aretha princess engagement ring setting in 18K White Gold | RockHer
The Aretha Split Shank Pavé Halo Princess Cut Engagement Ring Setting in 18K White Gold
Split Shank Pavé Halo Princess Cut · 18K White Gold
$4,500.00
The Aretha cushion engagement ring setting in Platinum | RockHer
The Aretha Split Shank Pavé Halo Cushion Cut Engagement Ring Setting in 18K White Gold
Split Shank Pavé Halo Cushion Cut · 18K White Gold
$4,500.00
The Ella round engagement ring setting in Platinum | RockHer
The Ella Micro Pavé Triple Row Halo Round Engagement Ring Setting in 18K White Gold
Micro Pavé Triple Row Halo Round · 18K White Gold
$5,765.00
The Ella pear engagement ring setting in 18K White Gold | RockHer
The Ella Micro Pavé Triple Row Halo Pear Engagement Ring Setting in 18K White Gold
Micro Pavé Triple Row Halo Pear · 18K White Gold
$5,765.00
The Ella oval engagement ring setting in Platinum | RockHer
The Ella Micro Pavé Triple Row Halo Oval Engagement Ring Setting in 18K White Gold
Micro Pavé Triple Row Halo Oval · 18K White Gold
$5,800.00
The Ella heart engagement ring setting in 18K White Gold | RockHer
The Ella Micro Pavé Triple Row Halo Heart Engagement Ring Setting in 18K White Gold
Micro Pavé Triple Row Halo Heart · 18K White Gold
$5,800.00
The Alannah round engagement ring setting in Platinum | RockHer
The Alannah Luxe French Pavé Halo Round Engagement Ring Setting in 18K White Gold
Luxe French Pavé Halo Round · 18K White Gold
$4,920.00
The Alannah radiant engagement ring setting in Platinum | RockHer
The Alannah Luxe French Pavé Halo Radiant Cut Engagement Ring Setting in 18K White Gold
Luxe French Pavé Halo Radiant Cut · 18K White Gold
$4,975.00
The Alannah pear engagement ring setting in Platinum | RockHer
The Alannah Luxe French Pavé Halo Pear Engagement Ring Setting in 18K White Gold
Luxe French Pavé Halo Pear · 18K White Gold
$5,190.00
The Alannah princess engagement ring setting in 18K White Gold | RockHer
The Alannah Luxe French Pavé Halo Princess Cut Engagement Ring Setting in 18K White Gold
Luxe French Pavé Halo Princess Cut · 18K White Gold
$4,865.00
The Alannah oval engagement ring setting in Platinum | RockHer
The Alannah Luxe French Pavé Halo Oval Engagement Ring Setting in 18K White Gold
Luxe French Pavé Halo Oval · 18K White Gold
$4,975.00
The Alannah marquise engagement ring setting in Platinum | RockHer
The Alannah Luxe French Pavé Halo Marquise Engagement Ring Setting in 18K White Gold
Luxe French Pavé Halo Marquise · 18K White Gold
$5,095.00
The Alannah heart engagement ring setting in 18K White Gold | RockHer
The Alannah Luxe French Pavé Halo Heart Engagement Ring Setting in 18K White Gold
Luxe French Pavé Halo Heart · 18K White Gold
$4,910.00
The Alannah emerald engagement ring setting in Platinum | RockHer
The Alannah Luxe French Pavé Halo Emerald Cut Engagement Ring Setting in 18K White Gold
Luxe French Pavé Halo Emerald Cut · 18K White Gold
$4,975.00
The Alannah cushion engagement ring setting in Platinum | RockHer
The Alannah Luxe French Pavé Halo Cushion Cut Engagement Ring Setting in 18K White Gold
Luxe French Pavé Halo Cushion Cut · 18K White Gold
$4,790.00
The Etta round engagement ring setting in Platinum | RockHer
The Etta Classic Shared Prong Halo Round Engagement Ring Setting in 18K White Gold
Classic Shared Prong Halo Round · 18K White Gold
$3,745.00
The Etta pear engagement ring setting in 18K White Gold | RockHer
The Etta Classic Shared Prong Halo Pear Engagement Ring Setting in 18K White Gold
Classic Shared Prong Halo Pear · 18K White Gold
$3,830.00
The Etta princess engagement ring setting in 18K White Gold | RockHer
The Etta Classic Shared Prong Halo Princess Cut Engagement Ring Setting in 18K White Gold
Classic Shared Prong Halo Princess Cut · 18K White Gold
$3,785.00
The Etta oval engagement ring setting in Platinum | RockHer
The Etta Classic Shared Prong Halo Oval Engagement Ring Setting in 18K White Gold
Classic Shared Prong Halo Oval · 18K White Gold
$3,785.00
The Etta marquise engagement ring setting in 18K White Gold | RockHer
The Etta Classic Shared Prong Halo Marquise Engagement Ring Setting in 18K White Gold
Classic Shared Prong Halo Marquise · 18K White Gold
$3,880.00
The Etta heart engagement ring setting in 18K White Gold | RockHer
The Etta Classic Shared Prong Halo Heart Engagement Ring Setting in 18K White Gold
Classic Shared Prong Halo Heart · 18K White Gold
$3,785.00
The Etta cushion engagement ring setting in Platinum | RockHer
The Etta Classic Shared Prong Halo Cushion Cut Engagement Ring Setting in 18K White Gold
Classic Shared Prong Halo Cushion Cut · 18K White Gold
$3,785.00
The Etta asscher engagement ring setting in 18K White Gold | RockHer
The Etta Classic Shared Prong Halo Asscher Cut Engagement Ring Setting in 18K White Gold
Classic Shared Prong Halo Asscher Cut · 18K White Gold
$3,785.00
The Faith round engagement ring setting in 18K White Gold | RockHer
The Faith Floral Prong Halo Round Engagement Ring Setting in 18K White Gold
Floral Prong Halo Round · 18K White Gold
$4,855.00
The Faith oval engagement ring setting in Platinum | RockHer
The Faith Floral Prong Halo Oval Engagement Ring Setting in 18K White Gold
Floral Prong Halo Oval · 18K White Gold
$4,860.00
The Guthrie round engagement ring setting in 18K White Gold | RockHer
The Guthrie Floral Prong Halo Round Engagement Ring Setting in 18K White Gold
Floral Prong Halo Round · 18K White Gold
$3,675.00
The Guthrie princess engagement ring setting in 18K White Gold | RockHer
The Guthrie Floral Prong Halo Princess Cut Engagement Ring Setting in 18K White Gold
Floral Prong Halo Princess Cut · 18K White Gold
$3,715.00
The Guthrie cushion engagement ring setting in 18K White Gold | RockHer
The Guthrie Floral Prong Halo Cushion Cut Engagement Ring Setting in 18K White Gold
Floral Prong Halo Cushion Cut · 18K White Gold
$3,715.00
The Dylan round engagement ring setting in Platinum | RockHer
The Dylan Petite French Pavé Halo Round Engagement Ring Setting in 18K White Gold
Petite French Pavé Halo Round · 18K White Gold
$2,985.00
The Dylan pear engagement ring setting in Platinum | RockHer
The Dylan Petite French Pavé Halo Pear Engagement Ring Setting in 18K White Gold
Petite French Pavé Halo Pear · 18K White Gold
$3,080.00
The Dylan oval engagement ring setting in 18K White Gold | RockHer
The Dylan Petite French Pavé Halo Oval Engagement Ring Setting in 18K White Gold
Petite French Pavé Halo Oval · 18K White Gold
$3,080.00
The Dylan marquise engagement ring setting in Platinum | RockHer
The Dylan Petite French Pavé Halo Marquise Engagement Ring Setting in 18K White Gold
Petite French Pavé Halo Marquise · 18K White Gold
$3,170.00
The Dylan emerald engagement ring setting in Platinum | RockHer
The Dylan Petite French Pavé Halo Emerald Cut Engagement Ring Setting in 18K White Gold
Petite French Pavé Halo Emerald Cut · 18K White Gold
$3,080.00
The Dylan asscher engagement ring setting in Platinum | RockHer
The Dylan Petite French Pavé Halo Asscher Cut Engagement Ring Setting in 18K White Gold
Petite French Pavé Halo Asscher Cut · 18K White Gold
$3,080.00
The Genesis round engagement ring setting in Platinum | RockHer
The Genesis Channel Pavé Halo Round Engagement Ring Setting in 18K White Gold
Channel Pavé Halo Round · 18K White Gold
$4,050.00
The Genesis princess engagement ring setting in Platinum | RockHer
The Genesis Channel Pavé Halo Princess Cut Engagement Ring Setting in 18K White Gold
Channel Pavé Halo Princess Cut · 18K White Gold
$4,300.00
The Genesis cushion engagement ring setting in Platinum | RockHer
The Genesis Channel Pavé Halo Cushion Cut Engagement Ring Setting in 18K White Gold
Channel Pavé Halo Cushion Cut · 18K White Gold
$4,050.00
The Sadie round engagement ring setting in 18K White Gold | RockHer
The Sadie Twisted Pavé Round Engagement Ring Setting in 18K White Gold
Twisted Pavé Round · 18K White Gold
$5,430.00
The Sadie pear engagement ring setting in 18K White Gold | RockHer
The Sadie Twisted Pavé Pear Engagement Ring Setting in 18K White Gold
Twisted Pavé Pear · 18K White Gold
$5,470.00
The Sadie princess engagement ring setting in 18K White Gold | RockHer
The Sadie Twisted Pavé Princess Cut Engagement Ring Setting in 18K White Gold
Twisted Pavé Princess Cut · 18K White Gold
$5,470.00
The Sadie oval engagement ring setting in 18K White Gold | RockHer
The Sadie Twisted Pavé Oval Engagement Ring Setting in 18K White Gold
Twisted Pavé Oval · 18K White Gold
$5,470.00
The Sadie marquise engagement ring setting in 18K White Gold | RockHer
The Sadie Twisted Pavé Marquise Engagement Ring Setting in 18K White Gold
Twisted Pavé Marquise · 18K White Gold
$5,470.00
The Sadie cushion engagement ring setting in 18K White Gold | RockHer
The Sadie Twisted Pavé Cushion Cut Engagement Ring Setting in 18K White Gold
Twisted Pavé Cushion Cut · 18K White Gold
$5,470.00
The Joss round engagement ring setting in 18K White Gold | RockHer
The Joss Double Row Prong French Pavé Round Engagement Ring Setting in 18K White Gold
Double Row Prong French Pavé Round · 18K White Gold
$3,450.00
The Joss princess engagement ring setting in 18K White Gold | RockHer
The Joss Double Row Prong French Pavé Princess Cut Engagement Ring Setting in 18K White Gold
Double Row Prong French Pavé Princess Cut · 18K White Gold
$3,450.00
The Joss cushion engagement ring setting in 18K White Gold | RockHer
The Joss Double Row Prong French Pavé Cushion Cut Engagement Ring Setting in 18K White Gold
Double Row Prong French Pavé Cushion Cut · 18K White Gold
$3,450.00
The Presley round engagement ring setting in 18K White Gold | RockHer
The Presley Split Shank Pavé Round Engagement Ring Setting in 18K White Gold
Split Shank Pavé Round · 18K White Gold
$4,280.00
The Presley princess engagement ring setting in 18K White Gold | RockHer
The Presley Split Shank Pavé Princess Cut Engagement Ring Setting in 18K White Gold
Split Shank Pavé Princess Cut · 18K White Gold
$4,280.00
The Presley cushion engagement ring setting in 18K White Gold | RockHer
The Presley Split Shank Pavé Cushion Cut Engagement Ring Setting in 18K White Gold
Split Shank Pavé Cushion Cut · 18K White Gold
$4,315.00
The Gwen round engagement ring setting in 18K White Gold | RockHer
The Gwen Double Row Micro Set Pavé Round Engagement Ring Setting in 18K White Gold
Double Row Micro Set Pavé Round · 18K White Gold
$4,290.00
The Gwen princess engagement ring setting in 18K White Gold | RockHer
The Gwen Double Row Micro Set Pavé Princess Cut Engagement Ring Setting in 18K White Gold
Double Row Micro Set Pavé Princess Cut · 18K White Gold
$4,325.00
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.