Home 1 Carat Diamond Platinum Engagement Rings

1 Carat Diamond Platinum Engagement Rings

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

The Hayley Bezel Cathedral Solitaire Oval Engagement Ring Setting in Platinum
The Hayley Bezel Cathedral Solitaire Oval Engagement Ring Setting in Platinum
Bezel Cathedral Solitaire Oval · Platinum
$2,515.00
Delicate Twist Cathedral Solitaire Oval, in Platinum, prong setting | RockHer
The Priscilla Delicate Twist Cathedral Solitaire Oval Engagement Ring Setting in Platinum
Delicate Twist Cathedral Solitaire Oval · Platinum
$2,705.00
Luxe French Pavé Halo Princess, in Platinum, prong setting | RockHer
The Alannah Luxe French Pavé Halo Princess Cut Engagement Ring Setting in Platinum
Luxe French Pavé Halo Princess Cut · Platinum
$5,200.00
Contemporary Tapered Channel Marquise, in Platinum | RockHer
The Stevie Contemporary Channel Marquise Engagement Ring Setting in Platinum
Contemporary Channel Marquise · Platinum
$3,170.00
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 Selena Bezel Solitaire Engagement Ring Setting for Oval Diamonds in 18K White Gold | RockHer
The Selena Clover Bezel Accent Solitaire Oval Engagement Ring Setting in Platinum
Clover Bezel Accent Solitaire Oval · Platinum
$2,140.00
The Miley Clover Bezel Accent Solitaire Princess Cut Engagement Ring Setting in Platinum
The Miley Clover Bezel Accent Solitaire Princess Cut Engagement Ring Setting in Platinum
Clover Bezel Accent Solitaire Princess Cut · Platinum
$2,140.00
The Brandi Bezel Solitaire Engagement Ring Setting for Round Diamonds in Platinum | RockHer
The Brandi Bezel Accent Solitaire Round Engagement Ring Setting in Platinum
Bezel Accent Solitaire Round · Platinum
$2,140.00
The Peggy Bezel Accent Solitaire Princess Cut Engagement Ring Setting in Platinum
The Peggy Bezel Accent Solitaire Princess Cut Engagement Ring Setting in Platinum
Bezel Accent Solitaire Princess Cut · Platinum
$2,140.00
The Wanda Hidden Halo Solitaire Engagement Ring Setting for Oval Diamonds in Platinum | RockHer
The Wanda Hidden Halo Pavé Solitaire Oval Engagement Ring Setting in Platinum
Hidden Halo Pavé Solitaire Oval · Platinum
$2,890.00
The Cyndi Hidden Halo Solitaire Engagement Ring Setting for Round Diamonds in 18K White Gold | RockHer
The Cyndi Curved Hidden Halo Solitaire Round Engagement Ring Setting in Platinum
Curved Hidden Halo Solitaire Round · Platinum
$2,330.00
Twisted Rope Braid Solitaire Cushion, in Platinum | RockHer
The Maggie Twisted Rope Solitaire Cushion Cut Engagement Ring Setting in Platinum
Twisted Rope Solitaire Cushion Cut · Platinum
$2,985.00
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
The Elena Timeless Graduated Beveled Shank Solitaire Oval Engagement Ring Setting in Platinum
The Elena Timeless Graduated Beveled Shank Solitaire Oval Engagement Ring Setting in Platinum
Timeless Graduated Beveled Shank Solitaire Oval · Platinum
$3,080.00
Cathedral Comfort Fit Solitaire Marquise, in Platinum, prong setting | RockHer
The Ellie Cathedral Comfort Fit Solitaire Marquise Engagement Ring Setting in Platinum
Cathedral Comfort Fit Solitaire Marquise · Platinum
$2,795.00
Beveled Edge Comfort Fit Solitaire Marquise, in Platinum, prong setting | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Marquise Engagement Ring Setting in Platinum
Beveled Edge Comfort Fit Solitaire Marquise · Platinum
$2,985.00
The Tori Rounded Comfort Fit Solitaire Oval Engagement Ring Setting in Platinum
The Tori Rounded Comfort Fit Solitaire Oval Engagement Ring Setting in Platinum
Rounded Comfort Fit Solitaire Oval · Platinum
$2,330.00
The Charlotte Cathedral Squared Edge Solitaire Oval Engagement Ring Setting in Platinum
The Charlotte Cathedral Squared Edge Solitaire Oval Engagement Ring Setting in Platinum
Cathedral Squared Edge Solitaire Oval · Platinum
$4,115.00
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 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 Angelica Three Stone Matched Oval Engagement Ring Setting in Platinum
The Angelica Three Stone Matched Oval Engagement Ring Setting in Platinum
Three Stone Matched Oval · Platinum
$7,435.00
The Aida Hand Engraved Vintage Cathedral Solitaire Oval Engagement Ring Setting in Platinum
The Aida Hand Engraved Vintage Cathedral Solitaire Oval Engagement Ring Setting in Platinum
Hand Engraved Vintage Cathedral Solitaire Oval · Platinum
$3,750.00
European Cut, Shared Prong Halo Emerald, in Platinum | RockHer
The Fiona Shared Prong Halo Emerald Cut Engagement Ring Setting in Platinum
Shared Prong Halo Emerald Cut · Platinum
$4,015.00
The Sade Classic French Pavé Halo Linear Emerald Cut Engagement Ring Setting in Platinum
The Sade Classic French Pavé Halo Linear Emerald Cut Engagement Ring Setting in Platinum
Classic French Pavé Halo Linear Emerald Cut · Platinum
$3,735.00
The Veronica Hand Engraved Scroll Vintage Solitaire Oval Engagement Ring Setting in Platinum
The Veronica Hand Engraved Scroll Vintage Solitaire Oval Engagement Ring Setting in Platinum
Hand Engraved Scroll Vintage Solitaire Oval · Platinum
$3,265.00
Bold Double Halo Oval, in Platinum, pave setting – front view | RockHer
The Dinah Double Halo Oval Engagement Ring Setting in Platinum
Double Halo Oval · Platinum
$7,950.00
The Whitney Double Halo Oval Engagement Ring Setting in Platinum
The Whitney Double Halo Oval Engagement Ring Setting in Platinum
Double Halo Oval · Platinum
$5,035.00
Classic Shared Prong Halo Marquise, in Platinum, pave setting | RockHer
The Etta Classic Shared Prong Halo Marquise Engagement Ring Setting in Platinum
Classic Shared Prong Halo Marquise · Platinum
$4,215.00
Criss Cross Open Pavé Marquise, in Platinum, pave setting | RockHer
The Sadie Twisted Pavé Marquise Engagement Ring Setting in Platinum
Twisted Pavé Marquise · Platinum
$5,625.00
The Taylor Pavé Halo Round Engagement Ring Setting in Platinum
The Taylor Pavé Halo Round Engagement Ring Setting in Platinum
Pavé Halo Round · Platinum
$5,340.00
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
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
The Dolly Hidden Halo Solitaire Engagement Ring Setting for Oval Diamonds in 18K White Gold | RockHer
The Dolly Double Hidden Halo Solitaire Oval Engagement Ring Setting in Platinum
Double Hidden Halo Solitaire Oval · Platinum
$3,825.00
The Norah Classic Linear French Pavé Oval Engagement Ring Setting in Platinum
The Norah Classic Linear French Pavé Oval Engagement Ring Setting in Platinum
Classic Linear French Pavé Oval · Platinum
$3,170.00
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
The Dylan Petite French Pavé Halo Asscher Cut Engagement Ring Setting in Platinum
The Dylan Petite French Pavé Halo Asscher Cut Engagement Ring Setting in Platinum
Petite French Pavé Halo Asscher Cut · Platinum
$3,360.00
The Grace Twisted Hidden Halo Solitaire Engagement Ring Setting for Round Diamonds in 18K White Gold | RockHer
The Grace Twisted Shank Hidden Halo Solitaire Round Engagement Ring Setting in Platinum
Twisted Shank Hidden Halo Solitaire Round · Platinum
$3,360.00
Cathedral Surprise Stone Solitaire Marquise, in Platinum | RockHer
The Rosanna Cathedral Surprise Stone Solitaire Marquise Engagement Ring Setting in Platinum
Cathedral Surprise Stone Solitaire Marquise · Platinum
$3,745.00
European Cut, Scroll Gallery Comfort Fit Solitaire Emerald, in Platinum | RockHer
The Rio Scroll Gallery Comfort Fit Solitaire Emerald Cut Engagement Ring Setting in Platinum
Scroll Gallery Comfort Fit Solitaire Emerald Cut · Platinum
$2,705.00
The Duran Simple Bezel Solitaire Asscher Cut Engagement Ring Setting in Platinum
The Duran Simple Bezel Solitaire Asscher Cut Engagement Ring Setting in Platinum
Simple Bezel Solitaire Asscher Cut · Platinum
$2,515.00
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
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
Contemporary Comfort Fit Flat Shank Solitaire Marquise, in Platinum, prong setting | RockHer
The Viola Contemporary Comfort Fit Flat Shank Solitaire Marquise Engagement Ring Setting in Platinum
Contemporary Comfort Fit Flat Shank Solitaire Marquise · Platinum
$2,425.00
Pinched Cathedral Solitaire Princess, in Platinum, prong setting | RockHer
The Gladys Pinched Cathedral Solitaire Princess Cut Engagement Ring Setting in Platinum
Pinched Cathedral Solitaire Princess Cut · Platinum
$3,615.00
Bezel Cathedral Solitaire Marquise, in Platinum | RockHer
The Hayley Bezel Cathedral Solitaire Marquise Engagement Ring Setting in Platinum
Bezel Cathedral Solitaire Marquise · Platinum
$2,515.00
Delicate Twist Cathedral Solitaire Marquise, in Platinum, prong setting | RockHer
The Priscilla Delicate Twist Cathedral Solitaire Marquise Engagement Ring Setting in Platinum
Delicate Twist Cathedral Solitaire Marquise · Platinum
$2,705.00
The Alannah Luxe French Pavé Halo Oval Engagement Ring Setting in Platinum
The Alannah Luxe French Pavé Halo Oval Engagement Ring Setting in Platinum
Luxe French Pavé Halo Oval · Platinum
$5,195.00
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
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 Miley Clover Bezel Accent Solitaire Emerald Cut Engagement Ring Setting in Platinum
The Miley Clover Bezel Accent Solitaire Emerald Cut Engagement Ring Setting in Platinum
Clover Bezel Accent Solitaire Emerald Cut · Platinum
$2,140.00
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
Timeless Graduated Beveled Shank Solitaire Marquise, in Platinum, prong setting | RockHer
The Elena Timeless Graduated Beveled Shank Solitaire Marquise Engagement Ring Setting in Platinum
Timeless Graduated Beveled Shank Solitaire Marquise · Platinum
$3,080.00
Cathedral Comfort Fit Solitaire Heart Shape, in Platinum, prong setting | RockHer
The Ellie Cathedral Comfort Fit Solitaire Heart Engagement Ring Setting in Platinum
Cathedral Comfort Fit Solitaire Heart · Platinum
$2,795.00
Beveled Edge Comfort Fit Solitaire Heart Shape, in Platinum, prong setting | RockHer
The Carmen Beveled Edge Comfort Fit Solitaire Heart Engagement Ring Setting in Platinum
Beveled Edge Comfort Fit Solitaire Heart · Platinum
$2,985.00
The Tori Rounded Comfort Fit Solitaire Marquise Engagement Ring Setting in Platinum
The Tori Rounded Comfort Fit Solitaire Marquise Engagement Ring Setting in Platinum
Rounded Comfort Fit Solitaire Marquise · Platinum
$2,330.00
Cathedral Squared Edge Solitaire Marquise, in Platinum, prong setting | RockHer
The Charlotte Cathedral Squared Edge Solitaire Marquise Engagement Ring Setting in Platinum
Cathedral Squared Edge Solitaire Marquise · Platinum
$4,115.00
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
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
Three Stone Matched Shape Marquise, in Platinum, prong setting – angled view | RockHer
The Angelica Three Stone Matched Marquise Engagement Ring Setting in Platinum
Three Stone Matched Marquise · Platinum
$7,435.00
Hand-Engraved Vintage Cathedral Solitaire Marquise, in Platinum, prong setting | RockHer
The Aida Hand Engraved Vintage Cathedral Solitaire Marquise Engagement Ring Setting in Platinum
Hand Engraved Vintage Cathedral Solitaire Marquise · Platinum
$3,750.00
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

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Luxurious Radiance: Explore 1 Carat Diamond Platinum Engagement Rings

Experience unparalleled elegance with our stunning collection of 1 carat diamond platinum engagement rings. Platinum’s natural strength and luminous shine perfectly complement the brilliant sparkle of a 1 carat diamond, creating a ring that is as durable as it is beautiful, ideal for a lifetime of love.

Why Choose 1 Carat Diamond Platinum Engagement Rings?

A 1 carat diamond platinum engagement ring combines the rarity and strength of platinum with the timeless brilliance of a finely cut diamond. Platinum’s hypoallergenic properties make it perfect for sensitive skin, while its naturally white sheen enhances the diamond’s fire and sparkle.

Popular Platinum Ring Styles:

  • Solitaire Settings: Highlighting the diamond’s brilliance with a classic band
  • Halo Designs: Surrounding the center stone with smaller diamonds for added sparkle
  • Three-Stone Rings: Featuring complementary side stones symbolizing your journey
  • Vintage-Inspired Bands: Intricate detailing paired with platinum’s modern elegance
  • Modern Minimalist: Sleek and simple bands focusing on the diamond

Customization Options:
  • Diamond Cuts: Round brilliant, princess, cushion, emerald, and more
  • Settings: Prong, bezel, pave, and tension for style and durability
  • Certification: GIA or IGI certified diamonds ensuring authenticity and quality

Expert Tip:
Choose a diamond with excellent cut and clarity to maximize sparkle. Platinum’s durability makes it ideal for securing precious stones while maintaining its beauty over time.

Our 1 carat diamond platinum engagement rings collection blends luxury, durability, and timeless design, perfect for your forever symbol.