What size diamond for a size 8 finger?
By HeyGema™ · Updated
In short
On a size 8 finger, a classic look is a round diamond of 0.6 to 2.02 carat (5.4 to 8.2 mm), which covers 30% to 44% of the finger's 18.1 mm width. Bolder looks start at 2.02 carat.
- 18.1 mmsize 8 ring width
- 0.6 to 2.02 ctclassic round
- 36%covered by 1 ct round
Diamond carat range for a size 8 finger
A size 8 finger is 18.1 mm wide at the ring (57.0 mm around). Here is the carat weight at which a diamond covers each share of that width. Pick the look you want and read across.
- Round
- Delicate: up to 0.6 ct
- Classic: 0.6 to 2.02 ct
- Bold: 2.02 to 4.8 ct
- Statement: 4.8 and up ct
- Oval
- Delicate: up to 0.97 ct
- Classic: 0.97 to 3.27 ct
- Bold: 3.27 to 7.74 ct
- Statement: 7.74 and up ct
- Cushion
- Delicate: up to 0.92 ct
- Classic: 0.92 to 3.09 ct
- Bold: 3.09 to 7.33 ct
- Statement: 7.33 and up ct
- Emerald cut
- Delicate: up to 1.29 ct
- Classic: 1.29 to 4.35 ct
- Bold: 4.35 to 10.3 ct
- Statement: 10.3 and up ct
- Princess
- Delicate: up to 0.97 ct
- Classic: 0.97 to 3.27 ct
- Bold: 3.27 to 7.74 ct
- Statement: 7.74 and up ct
- Pear
- Delicate: up to 0.97 ct
- Classic: 0.97 to 3.27 ct
- Bold: 3.27 to 7.74 ct
- Statement: 7.74 and up ct
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.
A 1.2 carat round on a size 8 finger
A 2 carat oval on a size 8 finger
Every carat weight on a size 8 finger
- 0.5 ct
- Round size: 5.1 mm
- Round covers: 28%
- Look: Delicate
- Oval covers: 24%
- 0.75 ct
- Round size: 5.9 mm
- Round covers: 32%
- Look: Classic
- Oval covers: 28%
- 1 ct
- Round size: 6.5 mm
- Round covers: 36%
- Look: Classic
- Oval covers: 30%
- 1.5 ct
- Round size: 7.4 mm
- Round covers: 41%
- Look: Classic
- Oval covers: 35%
- 2 ct
- Round size: 8.1 mm
- Round covers: 45%
- Look: Bold
- Oval covers: 38%
- 2.5 ct
- Round size: 8.8 mm
- Round covers: 48%
- Look: Bold
- Oval covers: 41%
- 3 ct
- Round size: 9.3 mm
- Round covers: 51%
- Look: Bold
- Oval covers: 44%
- 4 ct
- Round size: 10.2 mm
- Round covers: 56%
- Look: Bold
- Oval covers: 48%
- 5 ct
- Round size: 11.0 mm
- Round covers: 61%
- Look: Statement
- Oval covers: 52%
If your ring size is between sizes
Ring sizes move in steps of half a size. The widths here are for the inside of the ring at your size. A finger is wider at the knuckle than at the base, so a ring that has to pass the knuckle is sometimes sized up. Neighboring sizes: size 7, size 7.5, size 8.5.