How big is a 0.75 carat round diamond?
By HeyGema™ · Updated
In short
A 0.75 carat round diamond measures about 5.9 mm. On a size 6 finger it covers 36% of the width. For the same weight, a round diamond is 5.9 mm.
- 5.9 mm0.75 carat round
- 0.23 inthe same in inches
- referenceface-up size vs a round
- 36%of a size 6 finger's width
Carat to mm calculator
About 5.9 x 5.9 mm
An estimate for a well-cut stone. A deep or shallow cut faces up smaller or bigger.
0.75 ct round
5.9 mm
0.75 ct round
5.9 mm
Side by side
0.75 ct round inside 0.75 ct round
0.75 carat round diamond size
A well-cut 0.75 carat round diamond measures about 5.9 mm (0.23 inches) at a length-to-width ratio of 1.00:1. It weighs 0.15 grams.
0.75 carat round on a finger
- 4
- Finger width: 14.9 mm
- Round covers: 39%
- 5
- Finger width: 15.7 mm
- Round covers: 37%
- 6
- Finger width: 16.5 mm
- Round covers: 36%
- 7
- Finger width: 17.3 mm
- Round covers: 34%
- 8
- Finger width: 18.1 mm
- Round covers: 32%
- 9
- Finger width: 18.9 mm
- Round covers: 31%
Round sizes near 0.75 carat
- 0.33 carat
- Length x width: 4.5 mm
- Round of the same weight: 4.5 mm
- 0.5 carat
- Length x width: 5.1 mm
- Round of the same weight: 5.1 mm
- 0.75 (this page)
- Length x width: 5.9 mm
- Round of the same weight: 5.9 mm
- 1 carat
- Length x width: 6.5 mm
- Round of the same weight: 6.5 mm
- 1.25 carat
- Length x width: 6.9 mm
- Round of the same weight: 6.9 mm
0.75 carat in other shapes
Every row is a well-cut diamond of 0.75 carat. The last column is the face-up size against the round.
- Oval
- Length x width: 7.3 x 5.0 mm
- Against round: +6%
- Cushion
- Length x width: 5.1 x 5.1 mm
- Against round: -14%
- Princess
- Length x width: 5.0 x 5.0 mm
- Against round: -8%
- Emerald cut
- Length x width: 6.4 x 4.5 mm
- Against round: +4%
- Asscher
- Length x width: 5.0 x 5.0 mm
- Against round: -16%
- Radiant
- Length x width: 5.9 x 4.5 mm
- Against round: -2%
- Pear
- Length x width: 7.7 x 5.0 mm
- Against round: -3%
- Marquise
- Length x width: 9.4 x 4.7 mm
- Against round: +16%
- Heart
- Length x width: 5.9 x 5.9 mm
- Against round: -17%
- Trillion
- Length x width: 6.4 x 6.4 mm
- Against round: -14%
- Baguette
- Length x width: 7.3 x 3.6 mm
- Against round: -2%
Questions
A 0.75 carat round diamond is about 5.9 mm at the usual 1.00:1 ratio.
A 0.75 carat round diamond is about 0.23 inches across.
There is no rule. The stone is 39% of the width of a size 4 finger and 32% of a size 8. Compare it with a ring you have tried on in the finger chart above.
Yes. A lab grown diamond has the same density as a mined one, so it measures the same for the same weight.