What glasses suit a diamond face shape?
Cat-eye frames are the strongest match — they add width to a narrower forehead and highlight prominent cheekbones. Oval and browline frames are strong alternatives, with shield styles leading for sunglasses.
Diamond Face Shape Guide
Best Glasses for Diamond Faces
Diamond is the rarest face shape: cheekbones clearly the widest point, with both the forehead and jaw noticeably narrower. Frames for this shape have one main job — add width at the brow line so the cheekbones read as striking rather than isolated.
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The cat-eye is almost purpose-built for this: upswept corners widen the eye area while showing off the cheekbones underneath. Browline frames add top-line presence, and ovals soften angular cheeks for daily wear. Avoid narrow rectangles and small round frames — a frame visibly narrower than your cheekbones creates exactly the imbalance you're trying to correct.
Best Eyeglass Frames for Diamond Faces
Ranked by how well each style balances this shape's proportions
Cat-Eye
Fashion
Adds width to your narrow forehead and highlights your striking cheekbones.
Fashion
Going Out
Events
Oval Frame
Timeless
Soft curves add width at forehead level to balance your prominent cheekbones.
Daily Wear
Business
Casual
Browline
Retro
Bold brow frame adds visual width to your narrower forehead area.
Creative
Casual
Fashion
Semi-Rimless
Modern
Top-heavy rim adds presence at the forehead while keeping the lower face light.
Business
Office
Everyday
Best Sunglasses for Diamond Faces
The same shape-matching logic, sized for sun wear
Cat-Eye
Lifts and widens the eye area, adding volume to your narrow forehead.
Shield
Wide horizontal frame adds forehead width and balances prominent cheekbones.
Rimless
Minimal frames avoid drawing attention to your narrow forehead width.
Oval
Gentle curves soften your angular cheekbones and add balanced width.
Why These Frames Work
Why These Work for Diamond Faces
- Frames wider than your forehead add welcome visual width to your narrow top face
- Cat-eye upswept shape draws attention to your striking cheekbones beautifully
- Bold brow lines balance a diamond's narrow forehead and chin equally
- Wider frames prevent your prominent cheekbones from appearing even more angular
Frames to Avoid
Frames to Avoid for Diamond Faces
Narrow Rectangle
Narrow width emphasises how much wider your cheekbones are than the frames.
Small Round Frames
Petite circles sit under your cheekbones and look visually unbalanced.
Geometric Angular
Sharp angles compete with your naturally angular cheekbone structure.
Recommended Frame Size
Recommended Frame Dimensions
↔Frame Width
132–140 mm
⌓Bridge
16–19 mm
◻Lens Width
49–54 mm
—Temple Length
138–144 mm
Frames that add width at the brow line beautifully balance your prominent cheekbones.
Best Frame Colors
Recommended Frame Colors
Black
Bold contrast that complements your striking angular cheekbones.
Tortoise
Warm organic pattern softens your angular features elegantly.
Gold
Metallic warmth that highlights your distinctive bone structure.
Deep Purple
Rich jewel tone that complements your rare face geometry.
Picks by Personal Style
The same face shape can call for different frames depending on the occasion
Style Filter
Frames that widen your brow for a confident, balanced professional look.
Semi-RimlessBrowlineOval
Shop These Styles
Browse this shape's top matches at popular retailers
Shop Your Top Matches
Browse your recommended frame styles at popular retailers
Cat-Eye97% match
Oval Frame93% match
Browline90% match
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Is Diamond really your face shape?
Most people guess their face shape wrong. The free AI Glasses Finder measures your forehead, cheekbones, jaw, and face length from a photo — then gives you these recommendations tuned to your exact proportions, plus an estimated pupillary distance for ordering online.
Try the AI Glasses Finder →Frequently Asked Questions
What makes diamond the rarest face shape?
Its width pattern — cheekbones distinctly wider than both forehead and jaw — is the least common configuration. Most faces carry their width at the forehead or jaw instead.
What should diamond faces avoid in glasses?
Narrow rectangle frames and small round frames. Frames visibly narrower than your cheekbones emphasize the width difference instead of balancing it.
How wide should frames be for a diamond face?
Around 132–140 mm, ideally in styles that carry width at the brow line — the goal is a frame that reaches at least as wide as your cheekbones at the top of the face.
Guides for Other Face Shapes
Deeper reading: Best Glasses for Every Face Shape (full guide) and The 7 Face Shapes Explained: How to Find Yours.