Home 3 Carat Diamond Rings

3 Carat Diamond Rings

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

Hand-Engraved Milgrain Halo Cushion, in Platinum, pave setting | RockHer
The Talea Hand Engraved Milgrain Halo Cushion Cut Engagement Ring Setting in Platinum
Hand Engraved Milgrain Halo Cushion Cut · Platinum
$4,710.00
The Roberta Vintage Leaf Pattern Solitaire Round Engagement Ring Setting in Platinum
The Roberta Vintage Leaf Pattern Solitaire Round Engagement Ring Setting in Platinum
Vintage Leaf Pattern Solitaire Round · Platinum
$3,170.00
The Roberta Vintage Leaf Pattern Solitaire Radiant Cut Engagement Ring Setting in Platinum
The Roberta Vintage Leaf Pattern Solitaire Radiant Cut Engagement Ring Setting in Platinum
Vintage Leaf Pattern Solitaire Radiant Cut · Platinum
$3,170.00
The Roberta Vintage Leaf Pattern Solitaire Pear Engagement Ring Setting in Platinum
The Roberta Vintage Leaf Pattern Solitaire Pear Engagement Ring Setting in Platinum
Vintage Leaf Pattern Solitaire Pear · Platinum
$3,170.00
Vintage Leaf Pattern Solitaire Princess, in Platinum, prong setting | RockHer
The Roberta Vintage Leaf Pattern Solitaire Princess Cut Engagement Ring Setting in Platinum
Vintage Leaf Pattern Solitaire Princess Cut · Platinum
$3,170.00
The Roberta Vintage Leaf Pattern Solitaire Oval Engagement Ring Setting in Platinum
The Roberta Vintage Leaf Pattern Solitaire Oval Engagement Ring Setting in Platinum
Vintage Leaf Pattern Solitaire Oval · Platinum
$3,170.00
The Roberta Vintage Leaf Pattern Solitaire Marquise Engagement Ring Setting in Platinum
The Roberta Vintage Leaf Pattern Solitaire Marquise Engagement Ring Setting in Platinum
Vintage Leaf Pattern Solitaire Marquise · Platinum
$3,170.00
Vintage Leaf Pattern Solitaire Heart Shape, in Platinum, prong setting | RockHer
The Roberta Vintage Leaf Pattern Solitaire Heart Engagement Ring Setting in Platinum
Vintage Leaf Pattern Solitaire Heart · Platinum
$3,170.00
The Roberta Vintage Leaf Pattern Solitaire Emerald Cut Engagement Ring Setting in Platinum
The Roberta Vintage Leaf Pattern Solitaire Emerald Cut Engagement Ring Setting in Platinum
Vintage Leaf Pattern Solitaire Emerald Cut · Platinum
$3,170.00
The Roberta Vintage Leaf Pattern Solitaire Cushion Cut Engagement Ring Setting in Platinum
The Roberta Vintage Leaf Pattern Solitaire Cushion Cut Engagement Ring Setting in Platinum
Vintage Leaf Pattern Solitaire Cushion Cut · Platinum
$3,170.00
Vintage Leaf Pattern Solitaire Asscher, in Platinum, prong setting | RockHer
The Roberta Vintage Leaf Pattern Solitaire Asscher Cut Engagement Ring Setting in Platinum
Vintage Leaf Pattern Solitaire Asscher Cut · Platinum
$3,170.00
The Jennifer Delicate Three Stone Halo Round Engagement Ring Setting in Platinum
The Jennifer Delicate Three Stone Halo Round Engagement Ring Setting in Platinum
Delicate Three Stone Halo Round · Platinum
$4,970.00
Delicate Three Stone Halo Princess, in Platinum, pave setting | RockHer
The Jennifer Delicate Three Stone Halo Princess Cut Engagement Ring Setting in Platinum
Delicate Three Stone Halo Princess Cut · Platinum
$5,005.00
The Anita Classic Three Stone Round Engagement Ring Setting in Platinum
The Anita Classic Three Stone Round Engagement Ring Setting in Platinum
Classic Three Stone Round · Platinum
$4,010.00
The Anita Classic Three Stone Radiant Cut Engagement Ring Setting in Platinum
The Anita Classic Three Stone Radiant Cut Engagement Ring Setting in Platinum
Classic Three Stone Radiant Cut · Platinum
$4,010.00
The Anita Classic Three Stone Pear Engagement Ring Setting in Platinum
The Anita Classic Three Stone Pear Engagement Ring Setting in Platinum
Classic Three Stone Pear · Platinum
$4,010.00
Classic Three Stone Princess, in Platinum, prong setting | RockHer
The Anita Classic Three Stone Princess Cut Engagement Ring Setting in Platinum
Classic Three Stone Princess Cut · Platinum
$4,010.00
The Anita Classic Three Stone Oval Engagement Ring Setting in Platinum
The Anita Classic Three Stone Oval Engagement Ring Setting in Platinum
Classic Three Stone Oval · Platinum
$4,010.00
The Anita Classic Three Stone Marquise Engagement Ring Setting in Platinum
The Anita Classic Three Stone Marquise Engagement Ring Setting in Platinum
Classic Three Stone Marquise · Platinum
$4,980.00
Classic Three Stone Heart Shape, in Platinum, prong setting | RockHer
The Anita Classic Three Stone Heart Engagement Ring Setting in Platinum
Classic Three Stone Heart · Platinum
$4,010.00
The Anita Classic Three Stone Emerald Cut Engagement Ring Setting in Platinum
The Anita Classic Three Stone Emerald Cut Engagement Ring Setting in Platinum
Classic Three Stone Emerald Cut · Platinum
$4,010.00
The Anita Classic Three Stone Cushion Cut Engagement Ring Setting in Platinum
The Anita Classic Three Stone Cushion Cut Engagement Ring Setting in Platinum
Classic Three Stone Cushion Cut · Platinum
$4,010.00
Classic Three Stone Asscher, in Platinum, prong setting | RockHer
The Anita Classic Three Stone Asscher Cut Engagement Ring Setting in Platinum
Classic Three Stone Asscher Cut · Platinum
$4,010.00
Round Brilliant, Tapered Baguette Three Stone Round, in Platinum, channel setting | RockHer
The June Three Stone Round Engagement Ring Setting in Platinum
Three Stone Round · Platinum
$4,105.00
Tapered Baguette Three Stone Radiant, in Platinum, channel setting | RockHer
The June Three Stone Radiant Cut Engagement Ring Setting in Platinum
Three Stone Radiant Cut · Platinum
$4,105.00
Tapered Baguette Three Stone Princess, in Platinum, channel setting | RockHer
The June Three Stone Princess Cut Engagement Ring Setting in Platinum
Three Stone Princess Cut · Platinum
$4,010.00
Tapered Baguette Three Stone Oval, in Platinum, channel setting | RockHer
The June Three Stone Oval Engagement Ring Setting in Platinum
Three Stone Oval · Platinum
$4,105.00
Tapered Baguette Three Stone Marquise, in Platinum, channel setting | RockHer
The June Three Stone Marquise Engagement Ring Setting in Platinum
Three Stone Marquise · Platinum
$4,105.00
Tapered Baguette Three Stone Heart Shape, in Platinum, channel setting | RockHer
The June Three Stone Heart Engagement Ring Setting in Platinum
Three Stone Heart · Platinum
$4,105.00
Tapered Baguette Three Stone Cushion, in Platinum, channel setting | RockHer
The June Three Stone Cushion Cut Engagement Ring Setting in Platinum
Three Stone Cushion Cut · Platinum
$4,105.00
Round Brilliant, Bypass Pavé Twist, in Platinum, pave setting | RockHer
The Ottava Bypass Pavé Twist Round Engagement Ring Setting in Platinum
Bypass Pavé Twist Round · Platinum
$4,505.00
Bypass Pavé Twist Princess, in Platinum, pave setting | RockHer
The Ottava Bypass Pavé Twist Princess Cut Engagement Ring Setting in Platinum
Bypass Pavé Twist Princess Cut · Platinum
$4,545.00
Bypass Pavé Twist Oval, in Platinum, pave setting | RockHer
The Ottava Bypass Pavé Twist Oval Engagement Ring Setting in Platinum
Bypass Pavé Twist Oval · Platinum
$4,545.00
Bypass Pavé Twist Cushion, in Platinum, pave setting | RockHer
The Ottava Bypass Pavé Twist Cushion Cut Engagement Ring Setting in Platinum
Bypass Pavé Twist Cushion Cut · Platinum
$4,545.00
Round Brilliant, Open Double Row Split Shank Halo, in Platinum, pave setting | RockHer
The Michelle Double Halo Round Engagement Ring Setting in Platinum
Double Halo Round · Platinum
$5,610.00
Open Double Row Split Shank Halo Princess, in Platinum, pave setting | RockHer
The Michelle Double Halo Princess Cut Engagement Ring Setting in Platinum
Double Halo Princess Cut · Platinum
$5,645.00
Open Double Row Split Shank Halo Cushion, in Platinum, pave setting | RockHer
The Michelle Double Halo Cushion Cut Engagement Ring Setting in Platinum
Double Halo Cushion Cut · Platinum
$5,645.00
Round Brilliant, Split Shank Pavé Halo Round, in Platinum, pave setting | RockHer
The Nicki Split Shank Pavé Halo Round Engagement Ring Setting in Platinum
Split Shank Pavé Halo Round · Platinum
$5,175.00
Split Shank Pavé Halo Princess, in Platinum, pave setting | RockHer
The Nicki Split Shank Pavé Halo Princess Cut Engagement Ring Setting in Platinum
Split Shank Pavé Halo Princess Cut · Platinum
$5,285.00
Round Brilliant, Open Twisted Triple Halo, in Platinum, pave setting | RockHer
The Melisma Open Twisted Triple Halo Round Engagement Ring Setting in Platinum
Open Twisted Triple Halo Round · Platinum
$6,260.00
Open Twisted Triple Halo Princess, in Platinum, pave setting | RockHer
The Melisma Open Twisted Triple Halo Princess Cut Engagement Ring Setting in Platinum
Open Twisted Triple Halo Princess Cut · Platinum
$6,190.00
Open Twisted Triple Halo Cushion, in Platinum, pave setting | RockHer
The Melisma Open Twisted Triple Halo Cushion Cut Engagement Ring Setting in Platinum
Open Twisted Triple Halo Cushion Cut · Platinum
$6,190.00
Round Brilliant, Double Halo Linear Pavé, in Platinum, pave setting | RockHer
The Medley Double Halo Round Engagement Ring Setting in Platinum
Double Halo Round · Platinum
$5,705.00
Double Halo Linear Pavé Cushion, in Platinum, pave setting | RockHer
The Medley Double Halo Cushion Cut Engagement Ring Setting in Platinum
Double Halo Cushion Cut · Platinum
$5,695.00
Round Brilliant, Classic Linear Halo, in Platinum, pave setting | RockHer
The Nina Classic Linear Halo Round Engagement Ring Setting in Platinum
Classic Linear Halo Round · Platinum
$3,360.00
Classic Linear Halo Cushion, in Platinum, pave setting | RockHer
The Nina Classic Linear Halo Cushion Cut Engagement Ring Setting in Platinum
Classic Linear Halo Cushion Cut · Platinum
$3,360.00
Bezel Halo Channel Band Oval, in Platinum | RockHer
The Marcia Bezel Halo Channel Band Oval Engagement Ring Setting in Platinum
Bezel Halo Channel Band Oval · Platinum
$4,140.00
Bezel Halo Channel Band Cushion, in Platinum – angled view | RockHer
The Marcia Bezel Halo Channel Band Cushion Cut Engagement Ring Setting in Platinum
Bezel Halo Channel Band Cushion Cut · Platinum
$4,105.00
Round Brilliant, Classic Prong Diamond Halo, in Platinum, pave setting – angled view | RockHer
The Carnie Classic Prong Diamond Halo Round Engagement Ring Setting in Platinum
Classic Prong Diamond Halo Round · Platinum
$3,895.00
Classic Prong Diamond Halo Princess, in Platinum, pave setting | RockHer
The Carnie Classic Prong Diamond Halo Princess Cut Engagement Ring Setting in Platinum
Classic Prong Diamond Halo Princess Cut · Platinum
$3,930.00
The Everly Classic Shared Prong Halo Round Engagement Ring Setting in Platinum
The Everly Classic Shared Prong Halo Round Engagement Ring Setting in Platinum
Classic Shared Prong Halo Round · Platinum
$4,015.00
The Everly Classic Shared Prong Halo Cushion Cut Engagement Ring Setting in Platinum
The Everly Classic Shared Prong Halo Cushion Cut Engagement Ring Setting in Platinum
Classic Shared Prong Halo Cushion Cut · Platinum
$4,055.00
The Kate Classic French Pavé Halo Round Engagement Ring Setting in Platinum
The Kate Classic French Pavé Halo Round Engagement Ring Setting in Platinum
Classic French Pavé Halo Round · Platinum
$3,970.00
The Kate Classic French Pavé Halo Princess Cut Engagement Ring Setting in Platinum
The Kate Classic French Pavé Halo Princess Cut Engagement Ring Setting in Platinum
Classic French Pavé Halo Princess Cut · Platinum
$4,005.00
The Kate Classic French Pavé Halo Oval Engagement Ring Setting in Platinum
The Kate Classic French Pavé Halo Oval Engagement Ring Setting in Platinum
Classic French Pavé Halo Oval · Platinum
$4,060.00
The Kate Classic French Pavé Halo Cushion Cut Engagement Ring Setting in Platinum
The Kate Classic French Pavé Halo Cushion Cut Engagement Ring Setting in Platinum
Classic French Pavé Halo Cushion Cut · Platinum
$4,005.00
The Hymn French Pavé Halo Frame Round Engagement Ring Setting in Platinum
The Hymn French Pavé Halo Frame Round Engagement Ring Setting in Platinum
French Pavé Halo Frame Round · Platinum
$3,640.00
The Hymn French Pavé Halo Frame Cushion Cut Engagement Ring Setting in Platinum
The Hymn French Pavé Halo Frame Cushion Cut Engagement Ring Setting in Platinum
French Pavé Halo Frame Cushion Cut · Platinum
$3,680.00
Round Brilliant, Split Shank French Pavé, in Platinum, pave setting | RockHer
The Jessie Split Shank French Pavé Round Engagement Ring Setting in Platinum
Split Shank French Pavé Round · Platinum
$4,300.00
Split Shank French Pavé Radiant, in Platinum, pave setting – angled view | RockHer
The Jessie Split Shank French Pavé Radiant Cut Engagement Ring Setting in Platinum
Split Shank French Pavé Radiant Cut · Platinum
$4,340.00
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.