3 Carat Diamond Engagement Rings

Bold and beautiful 3 carat diamond engagement rings are defined by their presence. They carry a quiet sense of confidence rather than excess.

Bezel Set Diamond Engagement Ring  In Platinum & White Gold for Women 1
Bezel Set Diamond Engagement Ring  In Platinum & White Gold for Women 2
Bezel Set Diamond Engagement Ring  In Platinum & White Gold for Women 3
Bezel Set Diamond Engagement Ring  In Platinum & White Gold for Women 4

Loading options...

Low Set Round Rub over Engagement Ring

From £334

Open Setting 4 Claw solitaire Diamond Engagement Rings 1
Open Setting 4 Claw solitaire Diamond Engagement Rings 2
Open Setting 4 Claw solitaire Diamond Engagement Rings 3
Open Setting 4 Claw solitaire Diamond Engagement Rings 4

Loading options...

Cathedral Round Open setting Engagement Ring

From £391

Pear Solitaire Engagement Rings in High Set Diamond 1
Pear Solitaire Engagement Rings in High Set Diamond 2
Pear Solitaire Engagement Rings in High Set Diamond 3
Pear Solitaire Engagement Rings in High Set Diamond 4

Loading options...

Prong Pointy bridge Engagement Ring

From £419

4 prong setting round shape classic engagement ring 1
4 prong setting round shape classic engagement ring 2
4 prong setting round shape classic engagement ring 3
4 prong setting round shape classic engagement ring 4
4 prong setting round shape classic engagement ring 5

Loading options...

Low Set Round Floral trio Engagement Ring

From £358

Emerald Diamond Halo Engagement Ring 4 Prong Set With Side Stones 1
Emerald Diamond Halo Engagement Ring 4 Prong Set With Side Stones 2
Emerald Diamond Halo Engagement Ring 4 Prong Set With Side Stones 3
Emerald Diamond Halo Engagement Ring 4 Prong Set With Side Stones 4

Loading options...

Cathedral Shoulder set Engagement Ring

From £509

Twist Setting Side Stone Diamond Engagement Rings 1
Twist Setting Side Stone Diamond Engagement Rings 2
Twist Setting Side Stone Diamond Engagement Rings 3
Twist Setting Side Stone Diamond Engagement Rings 4

Loading options...

Low Set Round Twisted claw Engagement Ring

From £406

Classic Square 6 Claws Setting Solitaire Diamond Engagement Rings 1
Classic Square 6 Claws Setting Solitaire Diamond Engagement Rings 2
Classic Square 6 Claws Setting Solitaire Diamond Engagement Rings 3
Classic Square 6 Claws Setting Solitaire Diamond Engagement Rings 4

Loading options...

Cathedral Round Square claes Engagement Ring

From £402

Princess Engagement Ring With Basket Set Diamond 1
Princess Engagement Ring With Basket Set Diamond 2
Princess Engagement Ring With Basket Set Diamond 3
Princess Engagement Ring With Basket Set Diamond 4

Loading options...

High Set Princess Basket with side stone Engagement Ring

From £526

Classic Square Shape Princess Diamond Engagement Ring 1
Classic Square Shape Princess Diamond Engagement Ring 2
Classic Square Shape Princess Diamond Engagement Ring 3
Classic Square Shape Princess Diamond Engagement Ring 4

Loading options...

High Set Princess Classic basket set Engagement Ring

From £433

6 Claw Diamond Engagement Ring Round Brilliant Cut Solitaire Diamond 1
6 Claw Diamond Engagement Ring Round Brilliant Cut Solitaire Diamond 2
6 Claw Diamond Engagement Ring Round Brilliant Cut Solitaire Diamond 3
6 Claw Diamond Engagement Ring Round Brilliant Cut Solitaire Diamond 4

Loading options...

6 Prong Round Open setting Engagement Ring

From £334

Classic Tappering Shoulder Side Stone Diamond Engagement Rings 1
Classic Tappering Shoulder Side Stone Diamond Engagement Rings 2
Classic Tappering Shoulder Side Stone Diamond Engagement Rings 3
Classic Tappering Shoulder Side Stone Diamond Engagement Rings 4

Loading options...

Low Set Round Classic tappered shoulder Engagement Ring

From £392

High Set Modern Setting Solitaire Diamond Engagement Rings 1
High Set Modern Setting Solitaire Diamond Engagement Rings 2
High Set Modern Setting Solitaire Diamond Engagement Rings 3
High Set Modern Setting Solitaire Diamond Engagement Rings 4

Loading options...

Low Set Round Unusual setting Engagement Ring

From £301

4 prong setting round shape designer side stone ring 1
4 prong setting round shape designer side stone ring 2
4 prong setting round shape designer side stone ring 3

Loading options...

4 Prong Elegant look Engagement Ring

From £581

4 Prong Round Diamond White Gold / Platinum Engagement Rings 1
4 Prong Round Diamond White Gold / Platinum Engagement Rings 2
4 Prong Round Diamond White Gold / Platinum Engagement Rings 3
4 Prong Round Diamond White Gold / Platinum Engagement Rings 4

Loading options...

Low Set Round Twisted Claws Engagement Ring

From £334

4 Prong Setting Oval Shape Tapering Shoulder Halo Diamond Engagement Rings 1
4 Prong Setting Oval Shape Tapering Shoulder Halo Diamond Engagement Rings 2
4 Prong Setting Oval Shape Tapering Shoulder Halo Diamond Engagement Rings 3
4 Prong Setting Oval Shape Tapering Shoulder Halo Diamond Engagement Rings 4

Loading options...

Cathedral Oval Tapered shank Engagement Ring

From £510

Delicate Oval Shape Pave Setting Shoulder Diamond Engagement Ring 1
Delicate Oval Shape Pave Setting Shoulder Diamond Engagement Ring 2
Delicate Oval Shape Pave Setting Shoulder Diamond Engagement Ring 3
Delicate Oval Shape Pave Setting Shoulder Diamond Engagement Ring 4

Loading options...

Cathedral Oval Delicate Pave setting Shoulder Engagement Ring

From £496

Twist Claw Setting Solitaire Diamond Engagement Rings 1
Twist Claw Setting Solitaire Diamond Engagement Rings 2
Twist Claw Setting Solitaire Diamond Engagement Rings 3
Twist Claw Setting Solitaire Diamond Engagement Rings 4

Loading options...

4 Prong Round Twist claw setting Engagement Ring

From £347

Contemprary Split Shoulder Cross Over Solitaire Diamond Engagement Rings 1
Contemprary Split Shoulder Cross Over Solitaire Diamond Engagement Rings 2
Contemprary Split Shoulder Cross Over Solitaire Diamond Engagement Rings 3
Contemprary Split Shoulder Cross Over Solitaire Diamond Engagement Rings 4

Loading options...

High Set Round Split shoulder Crossover Engagement Ring

From £347

4 prong setting round shape classic solitaire ring 1
4 prong setting round shape classic solitaire ring 2
4 prong setting round shape classic solitaire ring 3
4 prong setting round shape classic solitaire ring 4
4 prong setting round shape classic solitaire ring 5

Loading options...

4 Prong Round Crossover head Engagement Ring

From £326

Radiant Side Stone On Shoulder Set Accented Diamond Engagement Ring 1
Radiant Side Stone On Shoulder Set Accented Diamond Engagement Ring 2
Radiant Side Stone On Shoulder Set Accented Diamond Engagement Ring 3
Radiant Side Stone On Shoulder Set Accented Diamond Engagement Ring 4

Loading options...

Cathedral Radiant Delicate shank Engagement Ring

From £502

3 Prong Setting Heart Shape Intervene Shoulder Halo Diamond Engagement Rings 1
3 Prong Setting Heart Shape Intervene Shoulder Halo Diamond Engagement Rings 2
3 Prong Setting Heart Shape Intervene Shoulder Halo Diamond Engagement Rings 3
3 Prong Setting Heart Shape Intervene Shoulder Halo Diamond Engagement Rings 4

Loading options...

Prong Intervene shoulder Engagement Ring

From £540

6 Prong Split Shank Round Solitaire Diamond Engagement Rings for Women 1
6 Prong Split Shank Round Solitaire Diamond Engagement Rings for Women 2
6 Prong Split Shank Round Solitaire Diamond Engagement Rings for Women 3
6 Prong Split Shank Round Solitaire Diamond Engagement Rings for Women 4

Loading options...

6 Prong Round Twisted shoulder Engagement Ring

From £334

Oval Shape 6 Claws Double Claw Solitaire Diamond Engagement Ring 1
Oval Shape 6 Claws Double Claw Solitaire Diamond Engagement Ring 2
Oval Shape 6 Claws Double Claw Solitaire Diamond Engagement Ring 3
Oval Shape 6 Claws Double Claw Solitaire Diamond Engagement Ring 4

Loading options...

Low Set Oval Tri claws Engagement Ring

From £307

Pear Side Stone Engagement Rings in Trilogy Set Diamond 1
Pear Side Stone Engagement Rings in Trilogy Set Diamond 2
Pear Side Stone Engagement Rings in Trilogy Set Diamond 3

Loading options...

Prong Pear Triad lace Engagement Ring

From £407

3 Prong Setting Pear Diamond Solitaire Engagement Ring 1
3 Prong Setting Pear Diamond Solitaire Engagement Ring 2
3 Prong Setting Pear Diamond Solitaire Engagement Ring 3
3 Prong Setting Pear Diamond Solitaire Engagement Ring 4

Loading options...

Prong Pear Delicate tapering shoulder Engagement Ring

From £448

4 prong setting round shape vintage engagement ring 1
4 prong setting round shape vintage engagement ring 2
4 prong setting round shape vintage engagement ring 3
4 prong setting round shape vintage engagement ring 4
4 prong setting round shape vintage engagement ring 5

Loading options...

4 Prong Round Vintage Engagement Ring

From £600

4 Prong setting round shape side stone diamond engagement ring 1
4 Prong setting round shape side stone diamond engagement ring 2
4 Prong setting round shape side stone diamond engagement ring 3

Loading options...

High Set Round 4 prongs Hidden Halo Side Stone Engagement Ring

From £400

Round Solitaire Diamond Engagement Rings In Rose / White Gold Prong Setting 1
Round Solitaire Diamond Engagement Rings In Rose / White Gold Prong Setting 2
Round Solitaire Diamond Engagement Rings In Rose / White Gold Prong Setting 3
Round Solitaire Diamond Engagement Rings In Rose / White Gold Prong Setting 4

Loading options...

Cathedral Round simple open set Engagement Ring

From £438

White Gold Engagement Ring  With Round Shaped Solitaire Diamond 1
White Gold Engagement Ring  With Round Shaped Solitaire Diamond 2
White Gold Engagement Ring  With Round Shaped Solitaire Diamond 3
White Gold Engagement Ring  With Round Shaped Solitaire Diamond 4

Loading options...

Cathedral Round Low set basket Engagement Ring

From £334

prong setting round shape maple leaf diamond side stone ring 1
prong setting round shape maple leaf diamond side stone ring 2
prong setting round shape maple leaf diamond side stone ring 3
prong setting round shape maple leaf diamond side stone ring 4

Loading options...

Low Set Round Spilt shoulder twisted Engagement Ring

From £482

Pear Shape And Tapered Baguette on Side Diamond Engagement Rings 1
Pear Shape And Tapered Baguette on Side Diamond Engagement Rings 2
Pear Shape And Tapered Baguette on Side Diamond Engagement Rings 3
Pear Shape And Tapered Baguette on Side Diamond Engagement Rings 4

Loading options...

Prong Pear Tapered on side Engagement Ring

From £474

Pear Halo Diamond Engagement Ring In Platinum / White Gold 1
Pear Halo Diamond Engagement Ring In Platinum / White Gold 2
Pear Halo Diamond Engagement Ring In Platinum / White Gold 3
Pear Halo Diamond Engagement Ring In Platinum / White Gold 4

Loading options...

Prong Pear Shoulder set Engagement Ring

From £512

Princess Shape Corner Claw Diamond Side Stone Engagement Rings 1
Princess Shape Corner Claw Diamond Side Stone Engagement Rings 2
Princess Shape Corner Claw Diamond Side Stone Engagement Rings 3
Princess Shape Corner Claw Diamond Side Stone Engagement Rings 4

Loading options...

4 Prong Princess Corner claws cathederal set Engagement Ring

From £505

Princess Solitaire Diamond Engagement Ring In Corner Claws Setting 1
Princess Solitaire Diamond Engagement Ring In Corner Claws Setting 2
Princess Solitaire Diamond Engagement Ring In Corner Claws Setting 3

Loading options...

4 Prong Princess Corner box claw Engagement Ring

From £448

4 Prong Setting Round Shape Cluster Diamond Halo Diamond Engagement Rings 1
4 Prong Setting Round Shape Cluster Diamond Halo Diamond Engagement Rings 2
4 Prong Setting Round Shape Cluster Diamond Halo Diamond Engagement Rings 3

Loading options...

Cathedral Round Cluster Engagement Ring

From £790

Prong Setting Marquise Solitaire Diamond Engagement Ring 1
Prong Setting Marquise Solitaire Diamond Engagement Ring 2
Prong Setting Marquise Solitaire Diamond Engagement Ring 3
Prong Setting Marquise Solitaire Diamond Engagement Ring 4

Loading options...

Cathedral Marquise Classic Engagement Ring

From £448

4 Prong setting round shape twig design halo hidden engagement rings 1
4 Prong setting round shape twig design halo hidden engagement rings 2
4 Prong setting round shape twig design halo hidden engagement rings 3

Loading options...

4 Prong Wonderous Engagement Ring

From £488

4 prong set round shape twisted shoulder hidden halo engagement ring 1
4 prong set round shape twisted shoulder hidden halo engagement ring 2
4 prong set round shape twisted shoulder hidden halo engagement ring 3
4 prong set round shape twisted shoulder hidden halo engagement ring 4

Loading options...

4 Prong hidden halo crossed shoulder Engagement Ring

From £662

4 Prong Setting Pear Shape Vintage Halo Diamond Engagement Rings 1
4 Prong Setting Pear Shape Vintage Halo Diamond Engagement Rings 2
4 Prong Setting Pear Shape Vintage Halo Diamond Engagement Rings 3
4 Prong Setting Pear Shape Vintage Halo Diamond Engagement Rings 4

Loading options...

Prong Pear Vintage mid set Engagement Ring

From £646

Prong Setting Emerald Shape U Prong Set Halo Diamond Engagement Rings 1
Prong Setting Emerald Shape U Prong Set Halo Diamond Engagement Rings 2
Prong Setting Emerald Shape U Prong Set Halo Diamond Engagement Rings 3

Loading options...

4 Prong Pave Engagement Ring

From £646

Elegant 4 Prong Set Round Solitaire Diamond Engagement Rings 1
Elegant 4 Prong Set Round Solitaire Diamond Engagement Rings 2
Elegant 4 Prong Set Round Solitaire Diamond Engagement Rings 3
Elegant 4 Prong Set Round Solitaire Diamond Engagement Rings 4

Loading options...

Low Set Round Tapered shoulder basket Engagement Ring

From £390

Prong Setting Round Solitaire Diamond Engagement Rings White Gold 1
Prong Setting Round Solitaire Diamond Engagement Rings White Gold 2
Prong Setting Round Solitaire Diamond Engagement Rings White Gold 3
Prong Setting Round Solitaire Diamond Engagement Rings White Gold 4

Loading options...

Low Set Round Split Shoulder Engagement Ring

From £438

3 Prong Setting Pear Shape 2 Row Pave Set Shoulder Halo Diamond Engagement Rings 1
3 Prong Setting Pear Shape 2 Row Pave Set Shoulder Halo Diamond Engagement Rings 2
3 Prong Setting Pear Shape 2 Row Pave Set Shoulder Halo Diamond Engagement Rings 3
3 Prong Setting Pear Shape 2 Row Pave Set Shoulder Halo Diamond Engagement Rings 4

Loading options...

Prong Pear Two row Engagement Ring

From £770

4 prong setting round shape diamond classic solitaire ring 1
4 prong setting round shape diamond classic solitaire ring 2
4 prong setting round shape diamond classic solitaire ring 3
4 prong setting round shape diamond classic solitaire ring 4
4 prong setting round shape diamond classic solitaire ring 5

Loading options...

4 Prong Round Hidden Halo delicate shoulder Engagement Ring

From £343

4 prong setting round shape diamond unique engagement ring 1
4 prong setting round shape diamond unique engagement ring 2
4 prong setting round shape diamond unique engagement ring 3
4 prong setting round shape diamond unique engagement ring 4

Loading options...

4 Prong Round Elegance Engagement Ring

From £419

4 prong setting round shape style engagement ring 1
4 prong setting round shape style engagement ring 2
4 prong setting round shape style engagement ring 3
4 prong setting round shape style engagement ring 4

Loading options...

4 Prong Round Milligrain antique Engagement Ring

From £415

Side Stone Shoulder Set Diamond Engagement Ring White Gold / Platinum 1
Side Stone Shoulder Set Diamond Engagement Ring White Gold / Platinum 2
Side Stone Shoulder Set Diamond Engagement Ring White Gold / Platinum 3

Loading options...

4 Prong Pave set shank Engagement Ring

From £517

4 prong setting oval shape hidden halo engagement ring 1
4 prong setting oval shape hidden halo engagement ring 2
4 prong setting oval shape hidden halo engagement ring 3

Loading options...

4 Prong Oval accented shoulder hidden set Engagement Ring

From £487

You've viewed 384 of 497 Products

The ring itself is just beautiful and looks extremely elegant

“Fantastic customer service; the ring itself is just beautiful and looks extremely elegant. And the quality of the ring is flawless. Thank you :)”

Gemma Tyler, Trustpilot

Our Customers Love Us

STILL LOOKING?

SHOP BY

Shop by Stone Type

At 3 carats, the character of the diamond becomes unmistakable. From bright, high-clarity stones to those with a softer, more natural feel, each choice shapes the overall look. It’s about selecting a diamond that feels composed, balanced, and right to you.

SHOP BY

Shop by Shape

Shape plays a defining role at this size. Elongated cuts like oval and emerald create a more refined silhouette, while round offers a classic presence. Cushion and pear bring a softer edge, adding individuality without losing elegance.

SHOP BY

Shop by Popular Carat Sizes

A 3 carat diamond sits firmly in statement territory, with a presence that’s hard to miss. Some choose slightly smaller sizes for a lighter feel, while others go larger for added impact. The difference lies in how it wears, not just how it looks.

Engagement Ring Trends

Engagement Ring Trends

3 carat engagement rings have quietly become a study in restraint. Clean solitaires let the diamond speak for itself, while elongated shapes bring an easy elegance that feels current without trying to be. Where detail appears — a fine pavé band, a hidden accent — it's used with a light touch. Enough to add character, not enough to compete with the stone. Our artisans work with each diamond individually, shaping a design around it rather than to it. The result is something that feels considered, personal, and made to be worn for a lifetime.

Engagement Ring Trends
Abelini's Transparent Pricing & Value Guide

Abelini's Transparent Pricing & Value Guide

Curious about engagement ring costs? Our unique in-house model ensures you receive exceptional quality and bespoke customisation without inflated markups. We guarantee transparent pricing, allowing you to create your dream ring confidently within your budget.

Our Pricing
Why abelini mobile

Why Choose Abelini?

Choose Abelini for unwavering quality and exceptional service. Discover our comprehensive certifications, lifetime warranty, and customer-first guarantees that ensure complete confidence in your purchase.

Why Abelini?