Glasses for Diamond Face Shapes: Frames That Flatter

The best glasses for a diamond face shape are frames that add width at the brow and soften the cheekbones: cat-eye, browline, oval and soft-cornered oversized frames. Look for a frame that is at least as wide as your cheekbones, with its strongest line at the top rather than the bottom. Narrow, sharply angular frames tend to make the cheekbones look even wider.

How to tell if your face is diamond-shaped

A diamond face is the least common of the classic face shapes, and it is easy to mistake for an oval or heart shape. The giveaway is where the width sits. Pull your hair back, stand in front of a mirror and look at three points:

• Forehead: relatively narrow, often with a soft or slightly pointed hairline.
• Cheekbones: the widest part of the face, usually high and well defined.
• Jaw and chin: narrow again, tapering to a more pointed chin.

If your face is widest at the forehead and narrows to the chin, it is closer to a heart shape. If the widths are similar and the outline is rounded, it is more likely oval. A diamond face narrows both above and below the cheekbones. Our face shape guide walks through all the shapes side by side if you are unsure.

What your frames need to do

Diamond faces already have strong structure, so the aim is not to change the shape but to even out the proportions. Good frames do two jobs at once:

1. Build width at the top. A prominent upper rim visually widens a narrow forehead and brings it closer to the width of the cheekbones.
2. Round off the middle. Curved lens edges and soft corners take the sharpness away from high cheekbones instead of echoing it.

Think of the frame as a horizontal line placed slightly above your widest point. When it sits there, the eye reads the face as more balanced from top to bottom.

Frame shapes compared

Here is how the most common shapes behave on a diamond face:

Browse our cat-eye frames and browline frames first; these two families do the most work for this face shape.

Three frames that show the idea

Each of these puts the visual weight on the upper rim in a slightly different way. Ariana is a women's cat-eye with a horn-rimmed browline over a gunmetal metal full rim, in size L. Payne pairs oval lenses with a browline top, so it combines the two most helpful features in one frame. Ferrou is a full-rim browline designed for women and men, with a metal finish below the brow bar that keeps the lower half light.

Ariana EyeglassesShop nowPayne EyeglassesShop nowFerrou EyeglassesShop now

Getting the width right

Shape matters, but width decides whether the frame works. On a diamond face the cheekbones are the reference point. A frame that ends inside the line of your cheekbones makes them look wider by contrast; a frame that reaches just to them, or a few millimetres beyond, frames them neatly.

The easiest check is to compare against a pair you already own. Measure the total frame width across the front, then read the numbers printed on the inside of the temple. Our frame size guide explains each measurement. As a rough rule:

• If your current glasses feel snug at the temples and sit inside your cheekbones, try a few millimetres wider.
• If the temples press on your cheekbones as they pass, look for a frame with slightly more width or a straighter temple.
• Keep the bridge comfortable; a high nose bridge is common with diamond faces, and adjustable nose pads help set the frame at the right height.

Colour and detail choices

Where you put colour matters as much as the shape. Darker or more saturated tones on the upper rim strengthen the widening effect, while a clear, thin or metal lower rim keeps attention away from the cheekbones. That is why two-tone browline frames suit diamond faces so well.

Tortoiseshell is a flexible choice: its warm, broken pattern softens strong bone structure without making the frame look heavy. Decorative details such as studs, temple accents or a pronounced upswing at the outer corners all pull the eye up and out, which is exactly the direction you want.

What to avoid: heavy bottom rims, frames that are deeper at the bottom than at the top, and very small, sharp geometric fronts. None of these are off-limits, but they work against the balance you are trying to create.

Frequently asked questions

Can I wear round glasses with a diamond face?

Yes, as long as the frame is wide enough. A round frame that reaches the edge of your cheekbones softens them nicely. A small round frame sitting well inside the cheekbones tends to make the face look wider in the middle.

Are rimless glasses a good idea for diamond faces?

They can be, especially in an oval lens shape, because they add almost no visual weight. If you want more balance, a semi-rimless or browline frame with a defined upper rim does more for a narrow forehead.

Do oversized glasses suit a diamond face?

Often they do. Oversized frames with a wide, straight top line and rounded corners, such as the Matthew-FC04, cover the area from brow to cheekbone and even out the proportions. Check that the frame still sits comfortably on your nose and that the lens does not rest on your cheeks.

What sunglasses work for a diamond face?

The same rules apply: cat-eye, oval and browline-style sunglasses with a strong top line are reliable choices. Our women's sunglasses include plenty of cat-eye and oval options.

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Matthew-FC04 EyeglassesShop nowBarrie-FC02 EyeglassesShop nowAriana EyeglassesShop nowPayne EyeglassesShop now

Find your balanced frame

For a diamond face, start with a frame whose strongest line sits at the brow, choose curves over sharp angles, and make sure it is at least as wide as your cheekbones. Explore our oval frames and the full range of women's eyeglasses, then add your prescription in a few clicks with our lens selector.