Diamond Carat Size Chart

round

Round

princess

Princess

Asscher

Asscher

cushion

Cushion

Oval

Oval

radiant

Radiant

emerald

Emerald

pear

Pear

heart

Heart

Marquisse

Marquise

triangle

Triangle

trillion

Trillion

baguette_straight

Baguette

baguette_tapered

Tapered Baguette

Round Cut

MM SizeCarat Weight
0.80.0025
10.005
1.120.0075
1.150.0067
1.250.01
1.30.01
1.50.015
1.750.02
1.80.025
20.03
2.250.04
2.50.06
2.750.08
30.11
3.250.14
3.50.17
3.750.21
40.25
4.250.28
4.50.36
4.750.44
50.46
5.250.56
5.50.66
5.750.76
60.84
6.250.93
6.51.03
6.751.24
MM SizeCarat Weight
71.28
7.251.49
7.51.67
7.751.75
82.04
8.252.11
8.52.43
8.752.55
92.75
9.253.05
9.53.35
9.753.61
103.87
10.254.16
10.54.41
10.754.57
114.91
11.255.49
11.55.85
126.84
12.257.26
12.57.36
12.757.52
138.51
13.59.53
1410.49
1512.89
1616.06

Princess / Square Cut

MM SizeCarat Weight
1.50.015
1.750.03
20.06
2.250.08
2.50.1
2.750.13
30.18
3.250.26
3.50.29
3.750.31
40.39
4.250.44
4.50.56
4.750.64
50.71
5.250.75
5.50.99
5.751.11
61.24
6.251.39
MM SizeCarat Weight
6.51.59
6.751.75
71.96
7.252.01
7.52.4
7.752.74
83.01
8.253.24
8.53.67
8.754.1
94.12
9.55.09
9.755.36
105.62
10.255.76
10.55.99
117.44
11.59.44
129.52

Asscher Cut

MM SizeCarat Weight
40.39
4.50.56
50.71
5.50.99
61.24
6.51.59
71.96
7.52.4
MM SizeCarat Weight
83.01
8.53.67
94.12
9.55.09
105.62
117.44
129.52
1312.66

Marquise Cut

MM SizeCarat Weight
3 x 1.50.025
3.5 x 1.750.065
3.5 x 20.07
3.75 x 1.750.11
4 x 20.1
4.25 x 2.250.12
5 x 2.50.14
5 x 30.2
5.5 x 2.750.16
5.5 x 30.18
6 x 30.25
6.5 x 30.23
7 x 30.3
7 x 3.5.35
7 x 43.4
7.5 x 3.50.33
8 x 40.47
9 x 4.50.71
MM SizeCarat Weight
9 x 50.76
9.5 x 20.85
10 x 50.95
11 x 5.51.25
11.5 x 61.33
12 x 61.62
12 x 6.51.71
13 x 6.52.11
14 x 72.48
15 x 7.53.09
14 x 83
15 x 73.12
15 x 83.44
16 x 83.86
17 x 8.54.88
17.5 x 105.5
20 x 87.08
20 x 107.94
20 x 119.5

Radiant Cut

MM SizeCarat Weight
4.5 x 3.50.34
5 x 30.31
6 x 30.41
6 x 4.60
6.5 x 4.50.83
7 x 51.14
7.25 x 5.251.24
7.5 x 5.51.47
8 x 61.74
8.5 x 6.52.25
9 x 72.62
9.5 x 7.53.18
10 x 73.31
MM SizeCarat Weight
10 x 83.49
11 x 95.05
11.5 x 106.45
12 x 96.06
12 x 106.79
13 x 96.54
13 x 119.33
13.5 x 11.510.19
14 x 108.47
14 x 1212.14
15 x 1111.48
16 x 1214.22

Cushion Cut

MM SizeCarat Weight
40.25
4.50.36
50.46
5.250.56
5.50.66
5.750.76
60.84
6.250.93
6.51.03
6.751.24
71.28
7.51.67
MM SizeCarat Weight
82.04
8.52.43
92.75
9.53.35
103.87
10.54.41
114.91
11.55.85
126.84
138.51
1410.49
1512.89

Pear Cut

MM SizeCarat Weight
3 x 20.13
4 x 2.50.18
4 x 30.21
5 x 30.25
5 x 40.35
6 x 40.39
6.5 x 4.50.57
7 x 50.71
8 x 50.81
8.5 x 5.51.08
8 x 61.25
9 x 61.33
9 x 71.75
10 x 61.71
10 x 71.8
10 x 82.46
11 x 7.502.61
11 x 83
12 x 73.12
MM SizeCarat Weight
12 x 83
12 x 93.44
13 x 82.98
14 x 83.47
13 x 94.11
14 x 94.25
15 x 95.06
14 x 105.41
13 x 115.65
15 x 105.75
15 x 117.36
16 x 95.86
16 x 106.27
16 x 128.99
17 x 106.46
18 x 118.14
18 x 129.35
18 x 1310.21

Oval Cut

MM SizeCarat Weight
4.5 x 3.50.21
5 x 30.21
5 x 40.35
5.5 x 3.50.33
6 x 40.43
6.5 x 4.50.65
6 x 50.61
7 x 50.76
7.5 x 5.50.98
8 x 61.21
8.5 x 6.51.46
9 x 61.41
9 x 71.86
MM SizeCarat Weight
10 x 82.54
10.5 x 8.52.88
11 x 93.85
12 x 82.99
12 x 105.05
14 x 105.81
13 x 116.05
14 x 128.21
15 x 128.76
16 x 129.32
16 x 1411.88
18 x 1312.86
20 x 1514.96

Heart Cut

MM SizeCarat Weight
3.50.18
40.25
4.250.28
4.50.34
4.750.38
50.44
5.50.61
60.74
6.250.83
6.50.93
71.13
7.51.59
MM SizeCarat Weight
81.71
92.41
9.52.9
103.16
114.41
125.66
137.88
149.38
1510.79
1613.27
1815.33

Trillion Cut

MM SizeCarat Weight
30.12
3.50.16
3.750.19
40.23
4.250.27
4.50.31
4.750.37
50.42
5.250.49
5.50.55
5.750.64
60.7
MM SizeCarat Weight
6.250.75
6.50.91
6.750.98
71.1
7.51.21
81.75
92.35
113.66
124.9
136.42
159

Emerald Cut

MM SizeCarat Weight
3 x 20.1
3.5 x 20.12
4 x 20.15
4 x 30.2
5 x 30.29
5.5 x 3.50.46
5.5 x 40.48
6 x 40.66
6.5 x 4.50.88
7 x 51.06
7.25 x 5.251.24
7.5 x 5.51.45
8 x 61.74
8.5 x 6.52.17
MM SizeCarat Weight
9 x 72.62
9.5 x 7.53.21
10 x 73.01
10 x 83.79
11 x 95.21
12 x 85.34
12 x 106
13 x 96.38
14 x 86.25
14 x 108.48
13 x 119.13
14 x 1211.26
16 x 1214.22

Triangle Cut

MM SizeCarat Weight
2.50.08
30.12
3.50.18
40.25
4.250.32
4.50.37
4.750.42
50.45
5.250.53
5.50.66
5.750.71
60.76
6.250.86
6.50.94
6.751.02
MM SizeCarat Weight
71.11
7.251.32
7.51.45
7.751.69
81.79
8.251.86
92.15
9.252.54
9.753.25
103.52
114.74
126.03
138.12
149.83

Baguette Tapered Cut

MM SizeCarat Weight
2 x 1.5 x 10.025
2.5 x 1.5 x 10.035
2.5 x 1.75 x 10.04
3 x 1.5 x 10.05
3 x 1.75 x 1.250.055
3 x 1.75 x 1.30.055
3 x 1.75 x 1.50.055
3 x 2 x 10.06
3 x 2 x 1.250.065
3 x 2 x 1.50.07
3 x 2 x 1.750.075
3 x 2.5 x 20.08
3.25 x 1.75 x 10.07
3.25 x 1.75 x 1.250.05
3.5 x 1.25 x 10.04
3.5 x 1.5 x 10.05
3.5 x 1.5 x 1.250.055
3.5 x 1.7 x 1.30.055
3.5 x 1.75 x 10.06
3.5 x 1.75 x 1.250.07
3.5 x 1.75 x 1.30.065
3.5 x 2 x 1.250.08
3.5 x 2 x 1.50.09
3.5 x 2.5 x 20.09
3.75 x 2 x 1.250.08
4 x 1.5 x 10.07
4 x 1.5 x 1.20.08
4 x 1.75 x 1.250.08
4 x 2 x 1.50.1
4 x 2.5 x 1.50.12
4 x 2.5 x 20.21
4 x 3 x 20.21
4.25 x 2 x 1.250.11
MM SizeCarat Weight
4.25 x 2 x 1.50.13
4.25 x 2.5 x 1.250.13
4.25 x 2.5 x 1.50.135
4.5 x 1.75 x 1.250.15
4.5 x 2 x 1.50.12
4.5 x 2.3 x 1.80.16
4.5 x 2.5 x 20.15
4.5 x 2.75 x 1.750.15
4.5 x 3 x 20.16
4.5 x 3 x 2.50.16
4.75 x 2.5 x 1.50.15
4.75 x 3 x 20.18
5 x 2 x 10.14
5 x 2 x 1.250.15
5 x 2 x 1.50.15
5 x 2.3 x 1.80.16
5 x 2.5 x 1.50.2
5 x 2.5 x 20.21
5 x 2.75 x 20.21
5 x 3 x 20.25
5 x 3.5 x 20.26
5 x 4 x 3.50.28
5.5 x 2 x 1.50.18
5.5 x 2.5 x 1.750.23
5.5 x 2.5 x 20.23
5.5 x 3 x 20.26
5.5 x 3 x 2.250.26
5.5 x 4 x 2.50.28
6 x 2 x 1.50.3
6 x 2.5 x 1.50.3
6 x 3 x 20.3
6.5 x 2.5 x 20.3
6.5 x 3 x 20.32

Baguette Straight Cut

MM SizeCarat Weight
2 x 10.02
2 x 1.50.04
2 x 1.750.04
2.25 x 1.750.04
2.25 x 20.045
2.5 x 10.045
2.5 x 1.250.047
2.5 x 1.50.05
2.5 x 1.750.055
2.5 x 20.055
2.75 x 1.50.055
2.75 x 1.750.06
2.75 x 20.06
2.75 x 2.50.065
3 x 10.05
3 x 1.250.055
3 x 1.50.06
3 x 1.750.08
3 x 20.1
3 x 2.50.13
3.25 x 1.250.06
3.25 x 1.50.065
3.25 x 1.750.08
3.25 x 2.50.14
3.5 x 10.065
3.5 x 1.250.07
3.5 x 1.50.07
3.5 x 1.750.08
3.5 x 20.13
3.5 x 2.50.15
3.5 x 30.15
MM SizeCarat Weight
3.75 x 1.50.14
3.75 x 20.145
4 x 1.250.075
4 x 1.50.08
4 x 1.750.11
4 x 20.14
4 x 30.2
4.5 x 1.50.1
4.5 x 1.750.14
4.5 x 20.17
4.5 x 2.50.2
4.5 x 30.285
4.5 x 3.50.3
4.75 x 1.50.27
4.75 x 20.28
5 x 1.50.14
5 x 1.750.15
5 x 20.19
5 x 2.50.24
5 x 30.3
5 x 3.50.33
5 x 40.4
5.5 x 1.750.16
5.5 x 20.18
5.5 x 2.50.23
5.5 x 30.3
5.5 x 3.50.33
6 x 1.750.28
6 x 20.3
6 x 2.50.33
6 x 30.4

This diamond size chart will help you compare sizes for our Nexus Diamond™ alternatives selection. Here you can find the carat size and weight of all of our classic shapes.

Still don't know how to tell the difference between diamond sizes? For further questions regarding our diamond carat size chart, our team of professional jewelers would be more than happy to help you pick out your dream Nexus Diamond ring.



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