What size diamond for a size 10 finger?
By HeyGema™ · Updated
In short
On a size 10 finger, a classic look is a round diamond of 0.78 to 2.62 carat (5.9 to 8.9 mm), which covers 30% to 44% of the finger's 19.8 mm width. Bolder looks start at 2.62 carat.
- 19.8 mmsize 10 ring width
- 0.78 to 2.62 ctclassic round
- 33%covered by 1 ct round
Diamond carat range for a size 10 finger
A size 10 finger is 19.8 mm wide at the ring (62.1 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 0.78 ct
- Classic: 0.78 to 2.62 ct
- Bold: 2.62 to 6.21 ct
- Statement: 6.21 and up ct
- Oval
- Delicate: up to 1.25 ct
- Classic: 1.25 to 4.22 ct
- Bold: 4.22 to 10.01 ct
- Statement: 10.01 and up ct
- Cushion
- Delicate: up to 1.19 ct
- Classic: 1.19 to 4 ct
- Bold: 4 to 9.49 ct
- Statement: 9.49 and up ct
- Emerald cut
- Delicate: up to 1.67 ct
- Classic: 1.67 to 5.62 ct
- Bold: 5.62 to 13.33 ct
- Statement: 13.33 and up ct
- Princess
- Delicate: up to 1.25 ct
- Classic: 1.25 to 4.22 ct
- Bold: 4.22 to 10.01 ct
- Statement: 10.01 and up ct
- Pear
- Delicate: up to 1.25 ct
- Classic: 1.25 to 4.22 ct
- Bold: 4.22 to 10.01 ct
- Statement: 10.01 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 1.6 carat round on a size 10 finger
A 2.5 carat oval on a size 10 finger
Every carat weight on a size 10 finger
- 0.5 ct
- Round size: 5.1 mm
- Round covers: 26%
- Look: Delicate
- Oval covers: 22%
- 0.75 ct
- Round size: 5.9 mm
- Round covers: 30%
- Look: Classic
- Oval covers: 25%
- 1 ct
- Round size: 6.5 mm
- Round covers: 33%
- Look: Classic
- Oval covers: 28%
- 1.5 ct
- Round size: 7.4 mm
- Round covers: 37%
- Look: Classic
- Oval covers: 32%
- 2 ct
- Round size: 8.1 mm
- Round covers: 41%
- Look: Classic
- Oval covers: 35%
- 2.5 ct
- Round size: 8.8 mm
- Round covers: 44%
- Look: Classic
- Oval covers: 38%
- 3 ct
- Round size: 9.3 mm
- Round covers: 47%
- Look: Bold
- Oval covers: 40%
- 4 ct
- Round size: 10.2 mm
- Round covers: 52%
- Look: Bold
- Oval covers: 44%
- 5 ct
- Round size: 11.0 mm
- Round covers: 56%
- Look: Bold
- Oval covers: 48%
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 9.