How many carats is a 7 mm moissanite?
By HeyGema™ · Updated
In short
A 7 mm round moissanite is labeled 1.28 carat, its diamond equivalent weight (DEW). On a scale it weighs about 1.17 carat, because moissanite is lighter than diamond.
- 1.28 ctdiamond equivalent weight
- 1.17 cttrue weight
- 0.28 in7 mm in inches
Carat to mm calculator
About 1.17 carat
An estimate for a well-cut stone. A deep or shallow cut faces up smaller or bigger.
7 mm moissanite by shape
For shapes that are longer than they are wide, the long side is 7 mm and the width follows the usual ratio.
- Round
- Size: 7 mm
- DEW: 1.28 ct
- True weight: 1.17 ct
- Oval
- Size: 7 mm x 4.8 mm
- DEW: 0.67 ct
- True weight: 0.61 ct
- Cushion
- Size: 7 mm x 7.0 mm
- DEW: 1.95 ct
- True weight: 1.78 ct
- Princess
- Size: 7 mm x 7.0 mm
- DEW: 2.06 ct
- True weight: 1.88 ct
- Emerald cut
- Size: 7 mm x 5.0 mm
- DEW: 1 ct
- True weight: 0.91 ct
- Asscher
- Size: 7 mm x 7.0 mm
- DEW: 2.06 ct
- True weight: 1.88 ct
- Radiant
- Size: 7 mm x 5.4 mm
- DEW: 1.25 ct
- True weight: 1.14 ct
- Pear
- Size: 7 mm x 4.5 mm
- DEW: 0.56 ct
- True weight: 0.51 ct
- Marquise
- Size: 7 mm x 3.5 mm
- DEW: 0.3 ct
- True weight: 0.27 ct
- Heart
- Size: 7 mm x 7.0 mm
- DEW: 1.25 ct
- True weight: 1.14 ct
- Trillion
- Size: 7 mm x 7.0 mm
- DEW: 1 ct
- True weight: 0.91 ct
- Baguette
- Size: 7 mm x 3.5 mm
- DEW: 0.67 ct
- True weight: 0.61 ct
Nearby moissanite sizes
Questions
A round 7 mm moissanite is 1.28 carat DEW (the weight of a diamond that size) and about 1.17 carat on a scale.
A 7 mm moissanite is the same width as a 7 mm diamond, which weighs 1.28 carat. The moissanite weighs less.
7 mm is 0.28 inches.