What does a 0.5 carat diamond look like on a finger?
By HeyGema™ · Updated
In short
A round 0.5 carat diamond is 5.1 mm across and covers 34% of the width of a size 4 finger, 31% of a size 6 and 28% of a size 8. On a size 6 that is a classic look. An oval of the same weight is 6.3 x 4.4 mm.
- 5.1 mmround, across
- 34%of a size 4 finger
- 31%of a size 6 finger
- 28%of a size 8 finger
Diamond size on a finger
0.5 ct diamond round: 5.1 mm, 31% of a size 6 finger.
The stone sits along the finger, so its width is what shows against the finger. Drawn to scale from the chart on this page.
0.5 carat oval on a size 6 finger
0.5 carat emerald cut on a size 6 finger
0.5 carat diamond on a finger, by ring size and shape
The share of the finger's width the stone covers. Bold means 45% to 59%; statement means 60% and more.
- 4
- Finger width: 14.9 mm
- Round: 34%
- Oval: 29%
- Cushion: 30%
- Emerald cut: 27%
- Princess: 29%
- Pear: 29%
- 5
- Finger width: 15.7 mm
- Round: 33%
- Oval: 28%
- Cushion: 28%
- Emerald cut: 25%
- Princess: 28%
- Pear: 28%
- 6
- Finger width: 16.5 mm
- Round: 31%
- Oval: 26%
- Cushion: 27%
- Emerald cut: 24%
- Princess: 26%
- Pear: 26%
- 7
- Finger width: 17.3 mm
- Round: 30%
- Oval: 25%
- Cushion: 26%
- Emerald cut: 23%
- Princess: 25%
- Pear: 25%
- 8
- Finger width: 18.1 mm
- Round: 28%
- Oval: 24%
- Cushion: 25%
- Emerald cut: 22%
- Princess: 24%
- Pear: 24%
- 9
- Finger width: 18.9 mm
- Round: 27%
- Oval: 23%
- Cushion: 23%
- Emerald cut: 21%
- Princess: 23%
- Pear: 23%
The four looks are our own bands for the share of the finger's width a stone covers: delicate under 30% of the finger's width; classic 30% to 44%; bold 45% to 59%; statement 60% and more. They are a way to read the numbers, not a rule.
0.5 carat in millimeters
A round 0.5 carat diamond is 5.1 mm (0.20 inches) across. For every shape see the 0.5 carat diamond size chart, or open one shape: round, oval, cushion, emerald cut.