When comparing the carat weight of a moissanite gemstone to a diamond of the same size, the moissanite will weigh less. Therefore, we prefer to use the millimeter (mm) measurements referring to our moissanite sizes. Here are some detailed data to compare moissanite and diamond sizes to their equivalent carat weights. For that you can refer the below Moissanite and Diamond Size Chart for every shapes/cuts like Round, Emerald, Pear, Marquise, Cushion, Princess, Asscher, Oval, Radiant, Heart etc.
Round Cut Size Chart
Size(mm)
Moissanite Average Weight
Diamond Equivalent Weight
3
0.11
0.11
3.5
0.17
0.18
4
0.24
0.25
4.5
0.31
0.33
5
0.48
0.5
5.5
0.56
0.6
6
0.75
0.8
6.5
1
1.1
7
1.2
1.3
7.5
1.5
1.67
8
1.95
2
8.5
2.44
2.5
9
2.68
2.75
9.5
3.2
3.5
10
3.8
3.9
10.5
4.2
4.4
11
4.7
4.85
11.5
5.7
5.85
12
6.1
6.5
12.5
6.7
7
13
7.3
7.58
13.5
7.8
8.3
14
9.7
10.5
14.5
11.2
11.8
15
12.5
12.9
Emerald Cut Size Chart
Size(mm)
Moissanite Average Weight
Diamond Equivalent Weight
4 x 2
0.17
0.15
5 x 3
0.3
0.29
6 x 4
0.6
0.5
7 x 5
1
1
8 x 6
1.8
1.75
9 x 7
2.75
2.5
10 x 8
3.76
3.79
11 x 9
5.25
5.21
12 x 10
6.88
6
Asscher Cut Size Chart
Size(mm)
Moissanite Average Weight
Diamond Equivalent Weight
3
0.14
0.16
3.5
0.21
0.25
4
0.33
0.37
4.5
0.45
0.5
5
0.8
1
5.5
1
1.15
6
1.15
1.25
6.5
1.3
1.5
7
1.8
2
7.5
2.5
2.5
8
2.9
3
8.5
3.15
3.5
9
3.95
4.12
Radiant Cut Size Chart
Size(mm)
Moissanite Average Weight
Diamond Equivalent Weight
5 x 3
0.33
0.31
6 x 4
0.61
0.5
7 x 5
1
1
8 x 6
1.8
2
9 x 7
2.5
2.5
10 x 8
3.5
3.5
11 x 9
5.19
5.05
12 x 10
6.23
6.79
14 x 10
8.2
8.47
Pear Cut Size Chart
Size(mm)
Moissanite Average Weight
Diamond Equivalent Weight
5 x 3
0.2
0.25
6 x 4
0.4
0.5
7 x 5
0.73
0.75
8 x 5
1.2
1.25
9 x 6
1.5
1.6
10 x 7
2.3
2.5
12 x 8
3
3
Marquise Cut Size Chart
Size(mm)
Moissanite Average Weight
Diamond Equivalent Weight
4 x 2
0.08
0.1
5 x 2.5
0.12
0.14
6 x 3
0.2
0.25
7 x 3.5
0.3
0.33
8 x 4
0.56
0.5
9 x 4.5
0.63
0.75
10 x 5
1
1
11 x 5.5
1.15
1.25
12 x 6
1.48
1.5
13 x 6.5
1.85
2
14 x 7
2.3
2.5
Oval Cut Size Chart
Size(mm)
Moissanite Average Weight
Diamond Equivalent Weight
5 x 3
0.18
0.21
6 x 4
0.46
0.5
7 x 5
0.71
0.75
8 x 6
1.2
1.25
9 x 7
1.8
2
10 x 8
2.5
2.5
11 x 9
3.68
3.85
12 x 10
4.9
5.05
14 x 10
5.6
5.81
Cushion Cut Size Chart
Size(mm)
Moissanite Average Weight
Diamond Equivalent Weight
3
0.12
0.13
3.5
0.19
0.22
4
0.3
0.33
4.5
0.42
0.5
5
0.57
0.6
5.5
0.75
0.8
6
0.96
1.1
6.5
1.21
1.3
7
1.49
1.7
7.5
1.8
2
8
2.15
2.4
8.5
2.54
2.8
9
2.98
3.3
9.5
3.74
4.2
10
4.18
5.02
10.5
4.99
5.81
11
5.79
6.68
Princess Cut Size Chart
Size(mm)
Moissanite Average Weight
Diamond Equivalent Weight
3
0.17
0.18
3.5
0.27
0.29
4
0.36
0.39
4.5
0.47
0.5
5
0.81
0.75
5.5
0.93
1
6
1.19
1.25
6.5
1.45
1.5
7
1.9
2
7.5
2.4
2.5
8
2.9
3
8.5
3.7
3.67
9
3.97
4.12
The Moissanite and Diamond Size Chart is a reference guide that helps individuals choose the perfect size and shape of moissanite or diamond for their engagement ring, wedding band, or other pieces of jewelry. This chart includes a variety of shapes and sizes for both moissanites and diamonds, and can help you compare the two based on carat weight, millimeter size, and visual appearance. Using the Moissanite and Diamond Size Chart can help you make an informed decision about the size and shape of your chosen gemstone, ensuring that you get the perfect piece of jewelry for your needs and budget. It's essential to understand the difference between carat weight and millimeter size to ensure that you're getting the right size for your preferences. While this chart can be a useful tool, it's always best to consult with a professional jeweler to ensure that you're making the right choice. Additionally, moissanites are generally less expensive than diamonds of the same size, making them a popular choice for those who want a larger stone without breaking the bank. Ultimately, the visual differences between moissanites and diamonds will depend on personal preference, as both stones have unique characteristics and appeal to different tastes.
FAQs:
How do I use the Moissanite and Diamond Size Chart?
The Moissanite and Diamond Size Chart is a reference guide that helps individuals choose the perfect size and shape of moissanite or diamond for their jewelry. The chart includes a variety of shapes and sizes for both stones, and you can compare them based on carat weight, millimeter size, and visual appearance. To use the chart, simply look up the shape and size of the stone you're interested in to see how it compares to stones of other sizes and shapes.
What is the difference between carat weight and millimeter size?
Carat weight refers to the weight of the gemstone, while millimeter size refers to the actual dimensions of the stone. While carat weight can give you a general idea of the size of the stone, millimeter size is a more accurate representation of its actual size. It's important to consider both when choosing a stone to ensure that you get the right size for your preferences.
Can I trust this chart to accurately represent the size of my stone?
While the Moissanite and Diamond Size Chart is a useful reference guide, it's always best to consult with a professional jeweler to ensure that you're making the right choice. A jeweler can help you evaluate the size and quality of the stone in person, which can be difficult to do using only a chart or online resources.
How does the price of a moissanite compare to a diamond of the same size?
Moissanites are generally less expensive than diamonds of the same size and quality. This is because moissanites are lab-created, while diamonds are mined from the earth. However, the price of a moissanite can still vary depending on its size, quality, and other factors.
Are there any visual differences between moissanites and diamonds of the same size?
Both moissanites and diamonds have unique characteristics that can affect their visual appearance. Moissanites tend to have a higher degree of brilliance and fire than diamonds, which can make them appear more sparkly in certain lighting conditions. However, some people prefer the classic and timeless look of a diamond. Ultimately, the choice between the two will depend on personal preferences.
