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.

4 prong setting radiant shape hidden halo side stone Engagement Rings 1
4 prong setting radiant shape hidden halo side stone Engagement Rings 2
4 prong setting radiant shape hidden halo side stone Engagement Rings 3
4 prong setting radiant shape hidden halo side stone Engagement Rings 4

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4 Prong tiger claws hidden halo Engagement Ring

From £421

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

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Prong Shoulder set Engagement Ring

From £586

Prong Setting Cushion Shape Round and Baguette on shoulder - Unique Halo Diamond Engagement Rings 1
Prong Setting Cushion Shape Round and Baguette on shoulder - Unique Halo Diamond Engagement Rings 2
Prong Setting Cushion Shape Round and Baguette on shoulder - Unique Halo Diamond Engagement Rings 3

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4 Prong Cushion Unique Engagement Ring

From £697

Prong Setting Marquise Shape Plain Shoulder Halo Diamond Engagement Rings 1
Prong Setting Marquise Shape Plain Shoulder Halo Diamond Engagement Rings 2
Prong Setting Marquise Shape Plain Shoulder Halo Diamond Engagement Rings 3

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4 Prong Marquise Classic plain Engagement Ring

From £611

Prong Setting Heart Shape Minimal Halo Diamond Engagement Rings 1
Prong Setting Heart Shape Minimal Halo Diamond Engagement Rings 2
Prong Setting Heart Shape Minimal Halo Diamond Engagement Rings 3

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Prong Heart Spilt shoulder Engagement Ring

From £720

Emerald Cut Round Band Solitaire Diamond Engagement Ring 1
Emerald Cut Round Band Solitaire Diamond Engagement Ring 2
Emerald Cut Round Band Solitaire Diamond Engagement Ring 3
Emerald Cut Round Band Solitaire Diamond Engagement Ring 4

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4 Prong Emerald Contemporary Engagement Ring

From £616

Emerald Basket Set Solitaire Diamond Engagement Ring 1
Emerald Basket Set Solitaire Diamond Engagement Ring 2
Emerald Basket Set Solitaire Diamond Engagement Ring 3

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4 Prong Emerald Basket set Engagement Ring

From £490

4 Prong Setting Princess Shape Split Shoulder Halo Diamond Engagement Rings 1
4 Prong Setting Princess Shape Split Shoulder Halo Diamond Engagement Rings 2
4 Prong Setting Princess Shape Split Shoulder Halo Diamond Engagement Rings 3

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4 Prong Princess Pave set split shank Engagement Ring

From £637

4 Prong Setting Cushion Shape Pave Halo Diamond Engagement Rings 1
4 Prong Setting Cushion Shape Pave Halo Diamond Engagement Rings 2
4 Prong Setting Cushion Shape Pave Halo Diamond Engagement Rings 3

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4 Prong Cushion Delicare shank Engagement Ring

From £850

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

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4 Prong Round Three row Engagement Ring

From £876

Princess Shape Tri Claws Solitaire Diamond Engagement Ring 1
Princess Shape Tri Claws Solitaire Diamond Engagement Ring 2
Princess Shape Tri Claws Solitaire Diamond Engagement Ring 3
Princess Shape Tri Claws Solitaire Diamond Engagement Ring 4

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4 Prong Princess Tri claws Engagement Ring

From £349

Emerald Open Set Solitaire Diamond Engagement Ring | Abelini 1
Emerald Open Set Solitaire Diamond Engagement Ring | Abelini 2
Emerald Open Set Solitaire Diamond Engagement Ring | Abelini 3

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4 Prong Emerald Open Engagement Ring

From £490

Buy Emerald High Set Solitaire Diamond Engagement Ring - Abelini 1
Buy Emerald High Set Solitaire Diamond Engagement Ring - Abelini 2
Buy Emerald High Set Solitaire Diamond Engagement Ring - Abelini 3

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4 Prong Emerald High set Engagement Ring

From £587

Emerald Tapering Shoulder Solitaire Diamond Engagement Ring 1
Emerald Tapering Shoulder Solitaire Diamond Engagement Ring 2
Emerald Tapering Shoulder Solitaire Diamond Engagement Ring 3

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4 Prong Emerald Taper shoulder Engagement Ring

From £559

Emerald Split Tapering Shoulder Solitaire Diamond Engagement Ring 1
Emerald Split Tapering Shoulder Solitaire Diamond Engagement Ring 2
Emerald Split Tapering Shoulder Solitaire Diamond Engagement Ring 3

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4 Prong Emerald Shoulder with gallary Engagement Ring

From £574

Elegant Open Setting Diamond Set Shoulder Engagement Ring 1
Elegant Open Setting Diamond Set Shoulder Engagement Ring 2
Elegant Open Setting Diamond Set Shoulder Engagement Ring 3

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4 Prong Princess Elegant open shoulder Engagement Ring

From £562

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

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Prong Heart Classic mid set Engagement Ring

From £624

Hugging Shoulder Diamond Engagement Ring 1
Hugging Shoulder Diamond Engagement Ring 2
Hugging Shoulder Diamond Engagement Ring 3

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4 Prong Round Twisted shanks Engagement Ring

From £570

4 Prong Setting Marquise Shape Pave Halo Diamond Engagement Rings 1
4 Prong Setting Marquise Shape Pave Halo Diamond Engagement Rings 2
4 Prong Setting Marquise Shape Pave Halo Diamond Engagement Rings 3

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4 Prong Marquise Delicare shank Engagement Ring

From £772

4 Prong Setting Oval Shape Circle of Diamond Halo Diamond Engagement Rings 1
4 Prong Setting Oval Shape Circle of Diamond Halo Diamond Engagement Rings 2
4 Prong Setting Oval Shape Circle of Diamond Halo Diamond Engagement Rings 3

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4 Prong Oval Plain shank Engagement Ring

From £656

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

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4 Prong Round Thick shank Engagement Ring

From £558

Delicate Tapering Down Shoulder Set Princess Diamond Engagement Ring 1
Delicate Tapering Down Shoulder Set Princess Diamond Engagement Ring 2
Delicate Tapering Down Shoulder Set Princess Diamond Engagement Ring 3

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4 Prong Princess Delicate tape down shoulder Engagement Ring

From £544

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

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4 Prong Round Simple Engagement Ring

From £671

Bezel Setting Round Shape Vintage Style Miligrain Halo Diamond Engagement Rings 1
Bezel Setting Round Shape Vintage Style Miligrain Halo Diamond Engagement Rings 2
Bezel Setting Round Shape Vintage Style Miligrain Halo Diamond Engagement Rings 3

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Bezel Setting Oval Vintage miligrain Engagement Ring

From £694

Prong Setting Princess Shape Tapering Up Shoulder Halo Diamond Engagement Rings 1
Prong Setting Princess Shape Tapering Up Shoulder Halo Diamond Engagement Rings 2
Prong Setting Princess Shape Tapering Up Shoulder Halo Diamond Engagement Rings 3

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4 Prong Princess Tapered up shoulder Engagement Ring

From £704

4 Prong Setting Marquise Shape 3 Row Shoulder Halo Diamond Engagement Rings 1
4 Prong Setting Marquise Shape 3 Row Shoulder Halo Diamond Engagement Rings 2
4 Prong Setting Marquise Shape 3 Row Shoulder Halo Diamond Engagement Rings 3

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4 Prong Marquise Three row Engagement Ring

From £899

Bezel Setting Round Shape Miligrain Halo Diamond Engagement Rings 1
Bezel Setting Round Shape Miligrain Halo Diamond Engagement Rings 2
Bezel Setting Round Shape Miligrain Halo Diamond Engagement Rings 3

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Bezel Setting Round Miligrain Engagement Ring

From £815

Bezel Setting Asscher Shape Pave Halo Diamond Engagement Rings 1
Bezel Setting Asscher Shape Pave Halo Diamond Engagement Rings 2
Bezel Setting Asscher Shape Pave Halo Diamond Engagement Rings 3

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Bezel Setting Asscher Pave set Engagement Ring

From £744

4 Prong Setting Radiant Shape two Row Halo Diamond Engagement Rings 1
4 Prong Setting Radiant Shape two Row Halo Diamond Engagement Rings 2
4 Prong Setting Radiant Shape two Row Halo Diamond Engagement Rings 3

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4 Prong Radiant Accented double Engagement Ring

From £685

4 Prong Setting Princess Shape 2 Row Halo Diamond Engagement Rings 1
4 Prong Setting Princess Shape 2 Row Halo Diamond Engagement Rings 2
4 Prong Setting Princess Shape 2 Row Halo Diamond Engagement Rings 3

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4 Prong Princess Double Engagement Ring

From £788

Prong Setting Radiant Shape Plain Shoulder Halo Diamond Engagement Rings 1
Prong Setting Radiant Shape Plain Shoulder Halo Diamond Engagement Rings 2
Prong Setting Radiant Shape Plain Shoulder Halo Diamond Engagement Rings 3

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4 Prong Radiant Classic mid set Engagement Ring

From £623

Marquise Halo Engagement Ring Diamond Halo Engagement Ring 1
Marquise Halo Engagement Ring Diamond Halo Engagement Ring 2
Marquise Halo Engagement Ring Diamond Halo Engagement Ring 3

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4 Prong Marquise Plain shoulder Engagement Ring

From £486

Prong Setting Princess Shape Miligrain Edge Halo Diamond Engagement Rings 1
Prong Setting Princess Shape Miligrain Edge Halo Diamond Engagement Rings 2
Prong Setting Princess Shape Miligrain Edge Halo Diamond Engagement Rings 3

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4 Prong Princess Miligrain edge Engagement Ring

From £802

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

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4 Prong Round Accented double Engagement Ring

From £694

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

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4 Prong Round Star Engagement Ring

From £766

Round Cut Solitaire Diamond Engagement Rings In White Gold / Platinum Prong Setting 1
Round Cut Solitaire Diamond Engagement Rings In White Gold / Platinum Prong Setting 2
Round Cut Solitaire Diamond Engagement Rings In White Gold / Platinum Prong Setting 3

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4 Prong Round Open setting gallery Engagement Ring

From £438

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

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4 Prong Round Modern set Engagement Ring

From £438

Round Solitaire Diamond Engagement Rings Platinum Prong Set 1
Round Solitaire Diamond Engagement Rings Platinum Prong Set 2
Round Solitaire Diamond Engagement Rings Platinum Prong Set 3

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4 Prong Round Square claws open set Engagement Ring

From £438

Round Cut Solitaire Diamond Engagement Rings Yellow / White Gold Prong Setting 1
Round Cut Solitaire Diamond Engagement Rings Yellow / White Gold Prong Setting 2
Round Cut Solitaire Diamond Engagement Rings Yellow / White Gold Prong Setting 3

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4 Prong Round High open set Engagement Ring

From £438

Prong Set Round Cut Solitaire Diamond Engagement Rings In White Gold 1
Prong Set Round Cut Solitaire Diamond Engagement Rings In White Gold 2
Prong Set Round Cut Solitaire Diamond Engagement Rings In White Gold 3

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4 Prong Round Tri-claws Engagement Ring

From £438

4 prong setting enhances the brilliance of the round shaped diamond classic solitaire ring 1
4 prong setting enhances the brilliance of the round shaped diamond classic solitaire ring 2
4 prong setting enhances the brilliance of the round shaped diamond classic solitaire ring 3
4 prong setting enhances the brilliance of the round shaped diamond classic solitaire ring 4

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High Set Modern basket Engagement Ring

From £370

4 prong setting radiant shape hidden halo Engagement Rings 1
4 prong setting radiant shape hidden halo Engagement Rings 2
4 prong setting radiant shape hidden halo Engagement Rings 3
4 prong setting radiant shape hidden halo Engagement Rings 4

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4 Prong Flawlessness Engagement Ring

From £412

Prong Setting Round Solitaire Diamond Engagement Rings Platinum 1
Prong Setting Round Solitaire Diamond Engagement Rings Platinum 2
Prong Setting Round Solitaire Diamond Engagement Rings Platinum 3

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4 Prong Round Unique setting Engagement Ring

From £438

6 Prong Setting Round Brilliant Cut Solitaire Diamond Engagement Rings for Women 1
6 Prong Setting Round Brilliant Cut Solitaire Diamond Engagement Rings for Women 2
6 Prong Setting Round Brilliant Cut Solitaire Diamond Engagement Rings for Women 3
6 Prong Setting Round Brilliant Cut Solitaire Diamond Engagement Rings for Women 4

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Cathedral Knife edge Engagement Ring

From £334

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

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4 Prong Round Start claws Engagement Ring

From £438

Classic Tulip Claws Solitaire Diamond Engagement Ring 1
Classic Tulip Claws Solitaire Diamond Engagement Ring 2
Classic Tulip Claws Solitaire Diamond Engagement Ring 3
Classic Tulip Claws Solitaire Diamond Engagement Ring 4

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Cathedral Round Peg head tappered shoulder Engagement Ring

From £301

Round Shoulder Set Side Diamond Engagement Ring 1
Round Shoulder Set Side Diamond Engagement Ring 2
Round Shoulder Set Side Diamond Engagement Ring 3
Round Shoulder Set Side Diamond Engagement Ring 4

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Cathedral Round Pave set tappered shank Engagement Ring

From £482

6 Prong Set Round Cut Solitaire Diamond Engagement Rings White Gold / Platinum 1
6 Prong Set Round Cut Solitaire Diamond Engagement Rings White Gold / Platinum 2
6 Prong Set Round Cut Solitaire Diamond Engagement Rings White Gold / Platinum 3

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6 Prong Round Unique flower shaped Engagement Ring

From £438

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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

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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.

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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.

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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?