Marquise Cut Diamond Engagement Rings: A UK Buyer's Guide

A marquise cut diamond engagement ring is one of the most distinctive choices you can make. The shape is long, narrow and pointed at both ends, giving the finger an elongated, elegant line and making the diamond look noticeably larger than its carat weight suggests. It's a style favoured by buyers who want something recognisable and a little different from the more common round or oval.

This guide explains what a marquise cut is, why it's regaining attention with UK buyers, how to judge quality, the settings that suit it best, and what to think about before you commit.

What is a marquise cut diamond?

A marquise cut is a diamond shape with a long, oval-like body that tapers to two sharp points. Technically it's a modified brilliant cut, meaning it uses 58 facets arranged for maximum sparkle, similar to a round brilliant. Its silhouette is sometimes called "navette", from the French for "little boat".

Three things define it:

• Elongated shape with a length-to-width ratio typically between 1.85 and 2.10
• Pointed ends that give the design its signature drama
• Brilliant faceting that returns light in a lively, energetic way

The result is a diamond that looks larger, longer and more sculptural than most other shapes at the same carat weight.

Why marquise cut rings are getting attention again

Marquise diamonds went through a golden era in the 1970s and 80s and then quietly stepped back while round and princess cuts dominated. Interest has picked up again for a few clear reasons:

• Elongated shapes are back in fashion generally, led by oval and pear cuts
• Buyers looking for something distinctive want an alternative to the oval
• Vintage and Art Deco style revivals suit the marquise silhouette
• Marquise diamonds offer strong perceived size for their carat weight, which appeals to buyers watching budget

For someone who admires oval or pear cuts but wants a ring that feels more individual, the marquise is often the natural next step. If you're browsing our bespoke engagement rings or the wider engagement rings collection, a marquise is worth asking about.

Why this matters for buyers

Choosing a diamond shape is the single most defining decision in the design of an engagement ring. It sets the ring's personality more than any setting, metal or side stone. With a marquise, three practical benefits stand out.

It looks bigger for the carat weight. Because the marquise is elongated with a large table (top surface), it presents more visible diamond per carat than round brilliants. A well-cut 1ct marquise can look closer in size to a 1.3–1.4ct round.

It elongates the finger. The long silhouette draws the eye down the hand and lengthens the visual line of the finger, which is why it's often flattering on shorter or wider fingers.

It feels considered. A marquise is rarely a default choice. It signals that the ring was picked deliberately, which is exactly the kind of story most people want their engagement ring to tell.

How to judge quality in a marquise diamond

The 4Cs (cut, colour, clarity and carat) apply to every diamond, but the marquise has a few shape-specific things to watch for.

Cut and symmetry

Symmetry is more important in a marquise than in almost any other shape. The two halves must mirror each other precisely, and the two points must line up on the same axis. If they don't, the ring will look off, even if you can't articulate why.

Look for:

• Even shoulders on both sides
• Points that sit exactly opposite one another
• A length-to-width ratio between 1.85 and 2.10 for a classic look (shorter ratios feel more compact; longer ratios look more dramatic and can sacrifice sparkle)

The bow-tie effect

Almost every marquise diamond shows a "bow-tie" — a darker area across the middle of the stone where light doesn't return evenly. A small, faint bow-tie is normal and even desirable, because it can add contrast and depth. A heavy, obvious black bow-tie is a sign of a poorly cut stone and should be avoided.

You can only really judge the bow-tie by looking at the diamond in person or in a high-quality video. A grading report will not tell you how strong it is.

Colour

Marquise diamonds tend to show a little more colour at the points than in the body, because facets concentrate colour towards the tips. For a white-looking stone in platinum or white gold, most buyers are happy with a colour grade of G or H. In yellow or rose gold, you can drop to I or J without losing the white face-up appearance.

For more detail on how colour grading works, see our guide on diamond colour grades explained.

Clarity

Marquise cuts are relatively forgiving on clarity because the brilliant faceting hides small inclusions well. VS2 or SI1 clarity usually looks eye-clean and offers strong value. Always check inclusions aren't sitting near the fragile points.

Certification

Any marquise diamond above 0.30ct at Diamond Hub is supplied with an independent grading report — normally from GIA or IGI. A report gives you confidence in the 4Cs and confirms the stone is natural or lab-grown as stated.

How Diamond Hub approaches marquise cut engagement rings

At Diamond Hub, marquise engagement rings are almost always designed bespoke rather than pulled from stock. There are two reasons.

First, marquise stones vary more than most in exact proportions, so pairing the diamond with the right setting is a bespoke decision by nature. A 1.90 ratio marquise sits very differently in a solitaire than a 2.10.

Second, the points need protection. Every design choice — claw placement, gallery height, shoulder taper — should be made around the specific stone.

Our bespoke process for a marquise engagement ring typically looks like this:

• A private consultation to understand style, budget and hand shape
• Sourcing a shortlist of certified marquise diamonds that match the brief
• Reviewing stones side by side, in person or on video, to compare bow-tie, symmetry and life
• Designing the setting around the chosen stone with CAD renders for approval
• Hand-crafting the ring in your chosen metal, hallmarked at a UK assay office

If you'd like to start that conversation, our bespoke engagement ring service is the right place.

Best settings for a marquise cut diamond

The right setting does two jobs for a marquise: it protects the fragile points and lets the elongated silhouette speak.

Six-claw setting with V-tip prongs. The classic choice. V-shaped prongs cup each point of the diamond, protecting the most vulnerable areas. Two additional claws hold the sides. Clean, timeless, and lets the stone dominate.

East-west setting. Turns the marquise horizontally across the finger instead of running north-to-south. Modern, architectural, increasingly popular with buyers who want a fresh take on a traditional shape.

Halo setting. A ring of small diamonds around the marquise boosts perceived size further and adds sparkle at the shoulders. Suits buyers who love a decorative look.

Bezel setting. A thin metal rim wraps around the stone, hiding the points completely. Extremely secure and low-profile — a good choice for active hands and anyone worried about snagging.

Trilogy setting. A marquise flanked by two tapered baguettes or pear side stones creates one of the most striking silhouettes in fine jewellery. For more on this style, read our trilogy engagement rings guide.

For a broader look at setting styles, our engagement ring settings guide covers claw, bezel and pavé in more detail.

Best metals for a marquise cut engagement ring

Metal choice is largely aesthetic, but there are a few practical notes for marquise diamonds specifically.

• Platinum is our default recommendation for marquise rings. It's dense, durable and holds delicate claws — especially the vulnerable V-tips — more securely over time than gold.
• 18ct white gold offers the same cool white look as platinum at a lower price point and is a strong choice with regular re-plating.
• 18ct yellow gold pairs beautifully with slightly warmer diamonds (I or J colour) and gives the ring a vintage feel that suits the marquise silhouette.
• 18ct rose gold is romantic and modern and softens the diamond's colour appearance for a warmer overall look.

Our platinum vs 18ct white gold guide explains the durability trade-off in more detail.

What to consider before buying a marquise engagement ring

A few honest points that any premium jeweller should raise.

The points need looking after. Sharp corners are the weak spot of any fancy-shaped diamond. With good V-tip claws or a bezel, marquise rings hold up well to daily wear, but they need more careful setting design than a round stone.

Style personality. Marquise is a distinctive choice. It suits someone who is drawn to elegant, considered pieces rather than the most classic look. If your partner tends to admire minimalist rounds or halo styles, a marquise may feel too dramatic.

Hand and finger shape. Elongated cuts are especially flattering on shorter or wider fingers because they lengthen the finger visually. They also look striking on long, slender fingers. Almost every hand can wear a marquise well — the key is matching the length-to-width ratio to personal preference.

Everyday practicality. For very active hands or hands-on jobs, a bezel-set marquise is more practical than a high-claw solitaire. Talk this through openly at consultation.

Ring resizing later. Marquise settings can be resized in most cases, but the more elaborate the setting (halo, pavé shoulders), the more work is involved. Getting the size right first time matters.

Who a marquise engagement ring suits best

A marquise cut engagement ring is a strong choice for:

• Buyers who love oval or pear cuts but want something more distinctive
• Anyone drawn to Art Deco, vintage or 1970s design references
• Partners who value individuality and a considered, less common style
• Buyers looking to maximise the visual size of their diamond within a fixed budget
• Bespoke customers who want a ring that feels genuinely one of one

It's less suited to buyers who prefer the most classic, safest choice, or to anyone uncomfortable with the fragile points requiring specific setting care.

FAQ

Are marquise diamonds a good choice for an engagement ring? Yes — marquise diamonds are a good choice when you want an elongated, distinctive shape that maximises visible size for the carat weight. They need a well-designed setting to protect the points, but with V-tip claws or a bezel, they wear well long-term.

Do marquise cut diamonds look bigger than round ones? Yes. A marquise diamond looks around 15–25% larger face-up than a round brilliant of the same carat weight because of its elongated shape and large top surface. This is one of the main reasons buyers choose it.

What is the bow-tie effect in a marquise diamond? The bow-tie is a darker band that runs across the middle of most marquise diamonds where light doesn't reflect evenly. A faint bow-tie adds contrast and is normal. A heavy black bow-tie signals poor cut and should be avoided. You can only judge it in person or by high-quality video.

What is the best setting for a marquise engagement ring? The classic choice is a six-claw setting with V-tip prongs at each point, because it protects the fragile ends and shows the stone off cleanly. East-west, halo and bezel settings are strong modern alternatives.

Is a marquise diamond more fragile than a round diamond? The stone itself is not more fragile, but the two sharp points are vulnerable to chipping if left exposed. A well-designed setting with V-tip claws or a bezel fully addresses this. Regular checks by a jeweller are recommended for any fancy-shaped diamond.

Can I have a bespoke marquise engagement ring made in the UK? Yes. At Diamond Hub, most marquise engagement rings are made bespoke because the shape, ratio and setting all need to be matched to the individual stone. Our bespoke service walks you through consultation, diamond sourcing, CAD design and hand-finishing.

Bringing it together

A marquise cut engagement ring is for buyers who want something elegant, elongated and quietly individual. It rewards careful stone selection, a well-designed setting and a jeweller who works with the specific diamond rather than to a template. If you'd like to see marquise stones in person, compare them alongside oval and pear cuts, or start designing a bespoke marquise engagement ring, book a consultation with Diamond Hub. We'll source a shortlist of certified marquise diamonds to your brief and build the ring around the one you choose.