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Moissanite Size Chart

Welcome to our Moissanite Size Chart page! If you're in the market for a stunning moissanite gemstone, it's important to find the perfect size that suits your preferences and style. Moissanite, known for its brilliance and sparkle, is a popular alternative to traditional diamonds. With our comprehensive moissanite size chart, you can easily compare different carat weights and dimensions to make an informed decision.

Our size chart provides detailed information on the millimeter measurements for various moissanite carat sizes. Whether you're looking for a dazzling moissanite engagement ring, earrings, pendant, or any other jewelry piece, this size chart will serve as a helpful guide to find the ideal size that matches your vision.

* Diamond Equivalent Weight" (DEW) when exploring different carat sizes. DEW is a term used to describe the approximate size of a moissanite gemstone in comparison to a diamond of the same weight.

Moissanite has different physical properties than diamonds, which affect its density and light dispersion. As a result, moissanite gems have a different size appearance compared to diamonds of the same carat weight. To provide an easy reference for consumers, the DEW measurement allows you to understand how a moissanite gemstone compares to a diamond in terms of size.

* Carat weight (ct.) is the standard unit of measurement for gemstones, including diamonds. It refers to the weight of the stone, with one carat equaling 200 milligrams. When using the moissanite size chart, the carat weight refers to the approximate weight of the moissanite gemstone. By understanding the carat weight and corresponding DEW measurement, you can have a better idea of the size and visual impact of the moissanite stone you're considering.

Moissanite Size Diamond Equivalent Weight (DEW)
0.80 mm. 0.0025 ct.
1.00 mm. 0.005 ct.
1.10 mm. 0.0067 ct.
1.20 mm. 0.009 ct.
1.25 mm. 0.01 ct.
1.30 mm. 0.01 ct.
1.50 mm. 0.015 ct.
1.75 mm. 0.02 ct.
1.80 mm. 0.025 ct.
2.00 mm. 0.03 ct.
2.20 mm. 0.04 ct.
2.50 mm. 0.06 ct.
2.75 mm. 0.08 ct.
3.0 mm. 0.1 ct.
3.25 mm. 0.14 ct.
3.5 mm. 0.17 ct.
3.75 mm. 0.21 ct.
4.0 mm. 0.25 ct.
4.25 mm. 0.28 ct.
4.50 mm. 0.36 ct.
4.75 mm. 0.44 ct.
5.00 mm. 0.50 ct.
5.25 mm. 0.56 ct.
5.50 mm. 0.66 ct.
5.75 mm. 0.75 ct.
6.00 mm. 0.84 ct.
6.25 mm. 0.93 ct.
6.50 mm. 1.00 ct.
6.80 mm. 1.25 ct.
Moissanite Size Diamond Equivalent Weight (DEW)
7.00 mm. 1.30 ct.
7.30 mm. 1.50 ct.
7.50 mm. 1.67 ct.
7.75 mm. 1.75 ct.
8.00 mm. 2.00 ct.
8.25 mm. 2.11 ct.
8.50 mm. 2.43 ct.
8.70 mm. 2.50 ct.
9.00 mm. 2.75 ct.
9.10 mm. 3.00 ct.
9.50 mm. 3.35 ct.
9.75 mm. 3.61 ct.
10.00 mm. 3.87 ct.
10.25 mm. 4.16 ct.
10.50 mm. 4.41 ct.
10.75 mm. 4.57 ct.
11.00 mm. 4.91 ct.
11.25 mm. 5.49 ct.
11.50 mm. 5.85 ct.
12.00 mm. 6.84 ct.
12.25 mm. 7.26 ct.
12.50 mm. 7.36 ct.
12.75 mm. 7.52 ct.
13.00 mm. 8.51 ct.
13.50 mm. 9.53 ct.
14.00 mm. 10.49 ct.
15.00 mm. 12.89 ct.
16.00 mm. 16.06 ct.
17.00 mm. 18.00 ct.
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