Does an undercut suit a diamond face?

It works with a tweak. Keep a little more length on top so you can consider how the hair frames your narrower forehead.

Do I need to wear the longer top brushed back?

No. The undercut describes the short sides and clear step to the longer top. A fringe or forward-falling texture can add width around your forehead.

Should I add more volume beside my cheekbones?

Avoid that placement if your aim is to soften their prominence. Volume at cheekbone level exaggerates the face's widest line.

An undercut for a diamond face (men): cut guide

At a glance

Style: Undercut
Face shape: Diamond
Verdict: Works with a tweak
Why: It exposes the full outline, which puts its width on show.
Ask your barber to: leave a little more length on top

Give your barber a clear request

Ask your barber to leave a little more length on top. Discuss how that hair will sit over your forehead, as well as how short the sides will look.

The defining feature of an undercut is the clear step between the short sides and longer top. Keeping that contrast doesn't mean you have to brush all the longer hair away from your face.

Consider a top that falls forward

A fringe or forward-falling texture visually widens a narrow forehead. That's a useful option for an undercut on a diamond-shaped face because it adds width above the cheekbones.

Keep the placement in mind. Volume right at cheekbone level exaggerates their width, while width at the forehead and chin softens their point. Compare a messy fringe for a diamond face if you want to explore a forward-falling finish.

Hair ending at the jaw adds width where the face narrows. An undercut's short sides don't provide that length, so keep your request focused on the longer top.

Allow for frequent side trims

Upkeep means trimming the sides every two to three weeks. Consider that schedule before choosing this men's haircut for a diamond face.

At the appointment, check the front view as well as the contrast between the sides and top. Show your barber where you want to retain length. That makes the request more useful than asking for an undercut without discussing its shape.

Check the shape without treating it as a rule

A caution isn't a ban. Nearly every cut works on every shape once something is adjusted; this verdict identifies the top length as your starting point.

The free face-shape finder confirms your face-shape prototype from one selfie; the hairstyle try-on then shows this cut on your own photo. Compare its exposed sides and forehead coverage with other cuts in the hairstyle guide.

Questions people ask

Does an undercut suit a diamond face?: It works with a tweak. Keep a little more length on top so you can consider how the hair frames your narrower forehead.
Do I need to wear the longer top brushed back?: No. The undercut describes the short sides and clear step to the longer top. A fringe or forward-falling texture can add width around your forehead.
Should I add more volume beside my cheekbones?: Avoid that placement if your aim is to soften their prominence. Volume at cheekbone level exaggerates the face's widest line.

Written from the measurements and ingredient facts on this site, then checked for the usual mistakes. Not medical advice.

The closest pages in this section, picked by topic rather than by date.

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An undercut for a diamond face (men): what to adjust