How many carats is a 5 mm moissanite?
By HeyGema™ · Updated
In short
A 5 mm round moissanite is labeled 0.47 carat, its diamond equivalent weight (DEW). On a scale it weighs about 0.43 carat, because moissanite is lighter than diamond.
- 0.47 ctdiamond equivalent weight
- 0.43 cttrue weight
- 0.20 in5 mm in inches
Carat to mm calculator
About 0.43 carat
An estimate for a well-cut stone. A deep or shallow cut faces up smaller or bigger.
5 mm moissanite by shape
For shapes that are longer than they are wide, the long side is 5 mm and the width follows the usual ratio.
- Round
- Size: 5 mm
- DEW: 0.47 ct
- True weight: 0.43 ct
- Oval
- Size: 5 mm x 3.4 mm
- DEW: 0.25 ct
- True weight: 0.23 ct
- Cushion
- Size: 5 mm x 5.0 mm
- DEW: 0.71 ct
- True weight: 0.65 ct
- Princess
- Size: 5 mm x 5.0 mm
- DEW: 0.75 ct
- True weight: 0.69 ct
- Emerald cut
- Size: 5 mm x 3.6 mm
- DEW: 0.36 ct
- True weight: 0.33 ct
- Asscher
- Size: 5 mm x 5.0 mm
- DEW: 0.75 ct
- True weight: 0.69 ct
- Radiant
- Size: 5 mm x 3.8 mm
- DEW: 0.46 ct
- True weight: 0.42 ct
- Pear
- Size: 5 mm x 3.2 mm
- DEW: 0.2 ct
- True weight: 0.18 ct
- Marquise
- Size: 5 mm x 2.50 mm
- DEW: 0.11 ct
- True weight: 0.1 ct
- Heart
- Size: 5 mm x 5.0 mm
- DEW: 0.46 ct
- True weight: 0.42 ct
- Trillion
- Size: 5 mm x 5.0 mm
- DEW: 0.36 ct
- True weight: 0.33 ct
- Baguette
- Size: 5 mm x 2.50 mm
- DEW: 0.24 ct
- True weight: 0.22 ct
Nearby moissanite sizes
Questions
A round 5 mm moissanite is 0.47 carat DEW (the weight of a diamond that size) and about 0.43 carat on a scale.
A 5 mm moissanite is the same width as a 5 mm diamond, which weighs 0.47 carat. The moissanite weighs less.
5 mm is 0.20 inches.