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 Whitney marquise engagement ring setting in 18K Yellow Gold | RockHer
The Whitney Double Halo Marquise Engagement Ring Setting in 18K Yellow Gold
Double Halo Marquise · 18K Yellow Gold
$4,645.00
The Whitney heart engagement ring setting in 18K Yellow Gold | RockHer
The Whitney Double Halo Heart Engagement Ring Setting in 18K Yellow Gold
Double Halo Heart · 18K Yellow Gold
$4,635.00
The Whitney emerald engagement ring setting in 18K Yellow Gold | RockHer
The Whitney Double Halo Emerald Cut Engagement Ring Setting in 18K Yellow Gold
Double Halo Emerald Cut · 18K Yellow Gold
$4,635.00
The Whitney Pavé Halo Engagement Ring Setting for Cushion Diamonds in 18K Yellow Gold | RockHer
The Whitney Double Halo Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Double Halo Cushion Cut · 18K Yellow Gold
$4,550.00
The Whitney asscher engagement ring setting in 18K Yellow Gold | RockHer
The Whitney Double Halo Asscher Cut Engagement Ring Setting in 18K Yellow Gold
Double Halo Asscher Cut · 18K Yellow Gold
$4,590.00
The Maria round engagement ring setting in 18K Yellow Gold | RockHer
The Maria Linear Double Row Halo Round Engagement Ring Setting in 18K Yellow Gold
Linear Double Row Halo Round · 18K Yellow Gold
$4,920.00
The Maria princess engagement ring setting in 18K Yellow Gold | RockHer
The Maria Linear Double Row Halo Princess Cut Engagement Ring Setting in 18K Yellow Gold
Linear Double Row Halo Princess Cut · 18K Yellow Gold
$4,960.00
The Maria cushion engagement ring setting in 18K Yellow Gold | RockHer
The Maria Linear Double Row Halo Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Linear Double Row Halo Cushion Cut · 18K Yellow Gold
$4,960.00
The Vega round engagement ring setting in 18K Yellow Gold | RockHer
The Vega Scroll Gallery Split Shank Halo Round Engagement Ring Setting in 18K Yellow Gold
Scroll Gallery Split Shank Halo Round · 18K Yellow Gold
$3,545.00
The Vega princess engagement ring setting in 18K Yellow Gold | RockHer
The Vega Scroll Gallery Split Shank Halo Princess Cut Engagement Ring Setting in 18K Yellow Gold
Scroll Gallery Split Shank Halo Princess Cut · 18K Yellow Gold
$3,450.00
The Vega cushion engagement ring setting in 18K Yellow Gold | RockHer
The Vega Scroll Gallery Split Shank Halo Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Scroll Gallery Split Shank Halo Cushion Cut · 18K Yellow Gold
$3,450.00
The Billie round engagement ring setting in 18K Yellow Gold | RockHer
The Billie Prong Halo Split Shank Round Engagement Ring Setting in 18K Yellow Gold
Prong Halo Split Shank Round · 18K Yellow Gold
$4,335.00
The Billie princess engagement ring setting in 18K Yellow Gold | RockHer
The Billie Prong Halo Split Shank Princess Cut Engagement Ring Setting in 18K Yellow Gold
Prong Halo Split Shank Princess Cut · 18K Yellow Gold
$4,380.00
The Billie cushion engagement ring setting in 18K Yellow Gold | RockHer
The Billie Prong Halo Split Shank Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Prong Halo Split Shank Cushion Cut · 18K Yellow Gold
$4,275.00
The Toni round engagement ring setting in 18K Yellow Gold | RockHer
The Toni Double Row Split Shank Halo Round Engagement Ring Setting in 18K Yellow Gold
Double Row Split Shank Halo Round · 18K Yellow Gold
$4,045.00
The Toni princess engagement ring setting in 18K Yellow Gold | RockHer
The Toni Double Row Split Shank Halo Princess Cut Engagement Ring Setting in 18K Yellow Gold
Double Row Split Shank Halo Princess Cut · 18K Yellow Gold
$4,080.00
The Toni cushion engagement ring setting in 18K Yellow Gold | RockHer
The Toni Double Row Split Shank Halo Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Double Row Split Shank Halo Cushion Cut · 18K Yellow Gold
$4,080.00
The Joan round engagement ring setting in 18K Yellow Gold | RockHer
The Joan Crossover Pavé Halo Round Engagement Ring Setting in 18K Yellow Gold
Crossover Pavé Halo Round · 18K Yellow Gold
$4,195.00
The Joan princess engagement ring setting in 18K Yellow Gold | RockHer
The Joan Crossover Pavé Halo Princess Cut Engagement Ring Setting in 18K Yellow Gold
Crossover Pavé Halo Princess Cut · 18K Yellow Gold
$4,230.00
The Joan Pavé Halo Engagement Ring Setting for Cushion Diamonds in 18K Yellow Gold | RockHer
The Joan Crossover Pavé Halo Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Crossover Pavé Halo Cushion Cut · 18K Yellow Gold
$4,230.00
The Audra round engagement ring setting in 18K Yellow Gold | RockHer
The Audra Twisted Scalloped Pavé Halo Round Engagement Ring Setting in 18K Yellow Gold
Twisted Scalloped Pavé Halo Round · 18K Yellow Gold
$4,335.00
The Audra princess engagement ring setting in 18K Yellow Gold | RockHer
The Audra Twisted Scalloped Pavé Halo Princess Cut Engagement Ring Setting in 18K Yellow Gold
Twisted Scalloped Pavé Halo Princess Cut · 18K Yellow Gold
$4,370.00
The Audra Twisted Scalloped Pavé Halo Engagement Ring Setting for Cushion Diamonds in 18K Yellow Gold | RockHer
The Audra Twisted Scalloped Pavé Halo Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Twisted Scalloped Pavé Halo Cushion Cut · 18K Yellow Gold
$4,370.00
The Aretha princess engagement ring setting in 18K Yellow Gold | RockHer
The Aretha Split Shank Pavé Halo Princess Cut Engagement Ring Setting in 18K Yellow Gold
Split Shank Pavé Halo Princess Cut · 18K Yellow Gold
$4,425.00
The Aretha cushion engagement ring setting in 18K Yellow Gold | RockHer
The Aretha Split Shank Pavé Halo Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Split Shank Pavé Halo Cushion Cut · 18K Yellow Gold
$4,425.00
The Ella round engagement ring setting in 18K Yellow Gold | RockHer
The Ella Micro Pavé Triple Row Halo Round Engagement Ring Setting in 18K Yellow Gold
Micro Pavé Triple Row Halo Round · 18K Yellow Gold
$5,690.00
The Ella pear engagement ring setting in 18K Yellow Gold | RockHer
The Ella Micro Pavé Triple Row Halo Pear Engagement Ring Setting in 18K Yellow Gold
Micro Pavé Triple Row Halo Pear · 18K Yellow Gold
$5,695.00
The Ella oval engagement ring setting in 18K Yellow Gold | RockHer
The Ella Micro Pavé Triple Row Halo Oval Engagement Ring Setting in 18K Yellow Gold
Micro Pavé Triple Row Halo Oval · 18K Yellow Gold
$5,725.00
The Ella heart engagement ring setting in 18K Yellow Gold | RockHer
The Ella Micro Pavé Triple Row Halo Heart Engagement Ring Setting in 18K Yellow Gold
Micro Pavé Triple Row Halo Heart · 18K Yellow Gold
$5,725.00
The Alannah round engagement ring setting in 18K Yellow Gold | RockHer
The Alannah Luxe French Pavé Halo Round Engagement Ring Setting in 18K Yellow Gold
Luxe French Pavé Halo Round · 18K Yellow Gold
$4,845.00
The Alannah radiant engagement ring setting in 18K Yellow Gold | RockHer
The Alannah Luxe French Pavé Halo Radiant Cut Engagement Ring Setting in 18K Yellow Gold
Luxe French Pavé Halo Radiant Cut · 18K Yellow Gold
$4,900.00
The Alannah pear engagement ring setting in 18K Yellow Gold | RockHer
The Alannah Luxe French Pavé Halo Pear Engagement Ring Setting in 18K Yellow Gold
Luxe French Pavé Halo Pear · 18K Yellow Gold
$5,120.00
The Alannah princess engagement ring setting in 18K Yellow Gold | RockHer
The Alannah Luxe French Pavé Halo Princess Cut Engagement Ring Setting in 18K Yellow Gold
Luxe French Pavé Halo Princess Cut · 18K Yellow Gold
$4,790.00
The Alannah Pavé Halo Engagement Ring Setting for Oval Diamonds in 18K Yellow Gold | RockHer
The Alannah Luxe French Pavé Halo Oval Engagement Ring Setting in 18K Yellow Gold
Luxe French Pavé Halo Oval · 18K Yellow Gold
$4,900.00
The Alannah marquise engagement ring setting in 18K Yellow Gold | RockHer
The Alannah Luxe French Pavé Halo Marquise Engagement Ring Setting in 18K Yellow Gold
Luxe French Pavé Halo Marquise · 18K Yellow Gold
$5,025.00
The Alannah heart engagement ring setting in 18K Yellow Gold | RockHer
The Alannah Luxe French Pavé Halo Heart Engagement Ring Setting in 18K Yellow Gold
Luxe French Pavé Halo Heart · 18K Yellow Gold
$4,835.00
The Alannah emerald engagement ring setting in 18K Yellow Gold | RockHer
The Alannah Luxe French Pavé Halo Emerald Cut Engagement Ring Setting in 18K Yellow Gold
Luxe French Pavé Halo Emerald Cut · 18K Yellow Gold
$4,900.00
The Alannah Pavé Halo Engagement Ring Setting for Cushion Diamonds in 18K Yellow Gold | RockHer
The Alannah Luxe French Pavé Halo Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Luxe French Pavé Halo Cushion Cut · 18K Yellow Gold
$4,715.00
The Alannah asscher engagement ring setting in 18K Yellow Gold | RockHer
The Alannah Luxe French Pavé Halo Asscher Cut Engagement Ring Setting in 18K Yellow Gold
Luxe French Pavé Halo Asscher Cut · 18K Yellow Gold
$4,900.00
The Etta round engagement ring setting in 18K Yellow Gold | RockHer
The Etta Classic Shared Prong Halo Round Engagement Ring Setting in 18K Yellow Gold
Classic Shared Prong Halo Round · 18K Yellow Gold
$3,670.00
The Etta pear engagement ring setting in 18K Yellow Gold | RockHer
The Etta Classic Shared Prong Halo Pear Engagement Ring Setting in 18K Yellow Gold
Classic Shared Prong Halo Pear · 18K Yellow Gold
$3,760.00
The Etta princess engagement ring setting in 18K Yellow Gold | RockHer
The Etta Classic Shared Prong Halo Princess Cut Engagement Ring Setting in 18K Yellow Gold
Classic Shared Prong Halo Princess Cut · 18K Yellow Gold
$3,710.00
The Etta marquise engagement ring setting in 18K Yellow Gold | RockHer
The Etta Classic Shared Prong Halo Marquise Engagement Ring Setting in 18K Yellow Gold
Classic Shared Prong Halo Marquise · 18K Yellow Gold
$3,805.00
The Etta heart engagement ring setting in 18K Yellow Gold | RockHer
The Etta Classic Shared Prong Halo Heart Engagement Ring Setting in 18K Yellow Gold
Classic Shared Prong Halo Heart · 18K Yellow Gold
$3,710.00
The Etta cushion engagement ring setting in 18K Yellow Gold | RockHer
The Etta Classic Shared Prong Halo Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Classic Shared Prong Halo Cushion Cut · 18K Yellow Gold
$3,710.00
The Etta asscher engagement ring setting in 18K Yellow Gold | RockHer
The Etta Classic Shared Prong Halo Asscher Cut Engagement Ring Setting in 18K Yellow Gold
Classic Shared Prong Halo Asscher Cut · 18K Yellow Gold
$3,710.00
The Faith round engagement ring setting in 18K Yellow Gold | RockHer
The Faith Floral Prong Halo Round Engagement Ring Setting in 18K Yellow Gold
Floral Prong Halo Round · 18K Yellow Gold
$4,780.00
The Faith oval engagement ring setting in 18K Yellow Gold | RockHer
The Faith Floral Prong Halo Oval Engagement Ring Setting in 18K Yellow Gold
Floral Prong Halo Oval · 18K Yellow Gold
$4,785.00
The Guthrie round engagement ring setting in 18K Yellow Gold | RockHer
The Guthrie Floral Prong Halo Round Engagement Ring Setting in 18K Yellow Gold
Floral Prong Halo Round · 18K Yellow Gold
$3,605.00
The Guthrie princess engagement ring setting in 18K Yellow Gold | RockHer
The Guthrie Floral Prong Halo Princess Cut Engagement Ring Setting in 18K Yellow Gold
Floral Prong Halo Princess Cut · 18K Yellow Gold
$3,640.00
The Guthrie cushion engagement ring setting in 18K Yellow Gold | RockHer
The Guthrie Floral Prong Halo Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Floral Prong Halo Cushion Cut · 18K Yellow Gold
$3,640.00
The Dylan Pavé Halo Engagement Ring Setting for Round Diamonds in 18K Yellow Gold | RockHer
The Dylan Petite French Pavé Halo Round Engagement Ring Setting in 18K Yellow Gold
Petite French Pavé Halo Round · 18K Yellow Gold
$2,890.00
The Dylan pear engagement ring setting in 18K Yellow Gold | RockHer
The Dylan Petite French Pavé Halo Pear Engagement Ring Setting in 18K Yellow Gold
Petite French Pavé Halo Pear · 18K Yellow Gold
$2,985.00
The Dylan oval engagement ring setting in 18K Yellow Gold | RockHer
The Dylan Petite French Pavé Halo Oval Engagement Ring Setting in 18K Yellow Gold
Petite French Pavé Halo Oval · 18K Yellow Gold
$2,985.00
The Dylan Pavé Halo Engagement Ring Setting for Marquise Diamonds in 18K Yellow Gold | RockHer
The Dylan Petite French Pavé Halo Marquise Engagement Ring Setting in 18K Yellow Gold
Petite French Pavé Halo Marquise · 18K Yellow Gold
$3,080.00
The Dylan Pavé Halo Engagement Ring Setting for Emerald Cut Diamonds in 18K Yellow Gold | RockHer
The Dylan Petite French Pavé Halo Emerald Cut Engagement Ring Setting in 18K Yellow Gold
Petite French Pavé Halo Emerald Cut · 18K Yellow Gold
$2,985.00
The Dylan asscher engagement ring setting in 18K Yellow Gold | RockHer
The Dylan Petite French Pavé Halo Asscher Cut Engagement Ring Setting in 18K Yellow Gold
Petite French Pavé Halo Asscher Cut · 18K Yellow Gold
$2,985.00
The Genesis round engagement ring setting in 18K Yellow Gold | RockHer
The Genesis Channel Pavé Halo Round Engagement Ring Setting in 18K Yellow Gold
Channel Pavé Halo Round · 18K Yellow Gold
$3,975.00
The Genesis princess engagement ring setting in 18K Yellow Gold | RockHer
The Genesis Channel Pavé Halo Princess Cut Engagement Ring Setting in 18K Yellow Gold
Channel Pavé Halo Princess Cut · 18K Yellow Gold
$4,225.00
The Genesis cushion engagement ring setting in 18K Yellow Gold | RockHer
The Genesis Channel Pavé Halo Cushion Cut Engagement Ring Setting in 18K Yellow Gold
Channel Pavé Halo Cushion Cut · 18K Yellow Gold
$3,975.00
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.