The Diamond Face Shape Guide
Written by the Know Your Face Shape team. Not yet reviewed by a licensed cosmetologist — we’re looking for one. If you are one and spot something wrong, tell us at hello@knowyourfaceshape.com and we’ll fix it and credit you.
What Is a Diamond Face Shape?
A diamond face is widest at the cheekbones with both the forehead and the jaw clearly narrower, tapering to a pointed chin. It is the rarest of the seven outlines and the easiest to confuse with heart, since both end in a point.
How to Tell If You Have a Diamond Face
- 1
Find the widest point
On a diamond face the cheekbones are unmistakably the widest part, with the forehead narrower above and the jaw narrower below.
- 2
Compare forehead and jaw
Heart has a wide forehead and narrow jaw. Diamond has both narrow. That single comparison separates the two pointed-chin shapes.
- 3
Check the chin
Like heart, the chin is pointed. The difference is entirely in the upper half of the face.
Diamond Face Measurements
Typical range = our published prototype value ± one standard deviation, from the same rule set the detector runs on.
| Feature | What it is | Typical for diamond |
|---|---|---|
| Face length ratio | face length ÷ cheekbone width | 1.28 – 1.52 |
| Forehead ratio | forehead width ÷ cheekbone width | 0.73 – 0.87 |
| Jaw ratio | jaw width ÷ cheekbone width | 0.65 – 0.79 |
| Jaw angle | angle at the jaw corner | 112° – 128° |
| Chin taper | chin width ÷ jaw width | 0.22 – 0.38 |
Best Glasses for a Diamond Face
Soft curves and a defined brow line widen the narrow forehead and jaw visually, easing the strong cheekbone peak that defines the shape.
- Oval
- Round
- Browline