Cushion-cut Emerald Size Chart
Carat to mm size chart for cushion-cut Emerald, from 0.25ct to 40ct. The chart is interactive, meaning you can click on any stone to view it directly in the size simulator.
Gem sizes are shown in actual, real-world size, provided your device screen size is in diagonal. If this is not correct, change it here:
Gem sizes are shown in actual, real-world size, provided your device screen size is in diagonal. If this is not correct, change it here:
Actual size is set for screen
Gemstone:
Shape:
Emerald Size Chart (Cushion Cut)
0.25ct
3.97×3.97 mm
3.97×3.97 mm
0.5ct
5×5 mm
5×5 mm
0.75ct
5.72×5.72 mm
5.72×5.72 mm
1ct
6.29×6.29 mm
6.29×6.29 mm
1.25ct
6.78×6.78 mm
6.78×6.78 mm
1.5ct
7.21×7.21 mm
7.21×7.21 mm
1.75ct
7.59×7.59 mm
7.59×7.59 mm
2ct
7.93×7.93 mm
7.93×7.93 mm
2.5ct
8.54×8.54 mm
8.54×8.54 mm
3ct
9.08×9.08 mm
9.08×9.08 mm
3.5ct
9.56×9.56 mm
9.56×9.56 mm
4ct
9.99×9.99 mm
9.99×9.99 mm
4.5ct
10.39×10.39 mm
10.39×10.39 mm
5ct
10.76×10.76 mm
10.76×10.76 mm
5.5ct
11.11×11.11 mm
11.11×11.11 mm
6ct
11.44×11.44 mm
11.44×11.44 mm
6.5ct
11.75×11.75 mm
11.75×11.75 mm
7ct
12.04×12.04 mm
12.04×12.04 mm
7.5ct
12.32×12.32 mm
12.32×12.32 mm
8ct
12.59×12.59 mm
12.59×12.59 mm
8.5ct
12.85×12.85 mm
12.85×12.85 mm
9ct
13.09×13.09 mm
13.09×13.09 mm
9.5ct
13.33×13.33 mm
13.33×13.33 mm
10ct
13.56×13.56 mm
13.56×13.56 mm
11ct
14×14 mm
14×14 mm
12ct
14.41×14.41 mm
14.41×14.41 mm
13ct
14.8×14.8 mm
14.8×14.8 mm
14ct
15.17×15.17 mm
15.17×15.17 mm
15ct
15.52×15.52 mm
15.52×15.52 mm
16ct
15.86×15.86 mm
15.86×15.86 mm
17ct
16.19×16.19 mm
16.19×16.19 mm
18ct
16.5×16.5 mm
16.5×16.5 mm
19ct
16.8×16.8 mm
16.8×16.8 mm
20ct
17.09×17.09 mm
17.09×17.09 mm
22ct
17.64×17.64 mm
17.64×17.64 mm
24ct
18.16×18.16 mm
18.16×18.16 mm
26ct
18.65×18.65 mm
18.65×18.65 mm
28ct
19.11×19.11 mm
19.11×19.11 mm
30ct
19.56×19.56 mm
19.56×19.56 mm
33ct
20.19×20.19 mm
20.19×20.19 mm
36ct
20.78×20.78 mm
20.78×20.78 mm
40ct
21.53×21.53 mm
21.53×21.53 mm
Length-to-width ratio: 1, Color:
Download Chart
Note: If you want to cut out the shapes and try them on your finger, print out the PDF chart. The image (png) chart will not print at actual size.
Carat-to-MM Conversion Table
Use this conversion table to quickly convert cushion-cut Emerald carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 3.97×3.97 mm |
| 0.5 ct | 5×5 mm |
| 0.75 ct | 5.72×5.72 mm |
| 1 ct | 6.29×6.29 mm |
| 1.25 ct | 6.78×6.78 mm |
| 1.5 ct | 7.21×7.21 mm |
| 1.75 ct | 7.59×7.59 mm |
| 2 ct | 7.93×7.93 mm |
| 2.5 ct | 8.54×8.54 mm |
| 3 ct | 9.08×9.08 mm |
| 3.5 ct | 9.56×9.56 mm |
| 4 ct | 9.99×9.99 mm |
| 4.5 ct | 10.39×10.39 mm |
| 5 ct | 10.76×10.76 mm |
| 5.5 ct | 11.11×11.11 mm |
| 6 ct | 11.44×11.44 mm |
| 6.5 ct | 11.75×11.75 mm |
| 7 ct | 12.04×12.04 mm |
| 7.5 ct | 12.32×12.32 mm |
| 8 ct | 12.59×12.59 mm |
| 8.5 ct | 12.85×12.85 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 13.09×13.09 mm |
| 9.5 ct | 13.33×13.33 mm |
| 10 ct | 13.56×13.56 mm |
| 11 ct | 14×14 mm |
| 12 ct | 14.41×14.41 mm |
| 13 ct | 14.8×14.8 mm |
| 14 ct | 15.17×15.17 mm |
| 15 ct | 15.52×15.52 mm |
| 16 ct | 15.86×15.86 mm |
| 17 ct | 16.19×16.19 mm |
| 18 ct | 16.5×16.5 mm |
| 19 ct | 16.8×16.8 mm |
| 20 ct | 17.09×17.09 mm |
| 22 ct | 17.64×17.64 mm |
| 24 ct | 18.16×18.16 mm |
| 26 ct | 18.65×18.65 mm |
| 28 ct | 19.11×19.11 mm |
| 30 ct | 19.56×19.56 mm |
| 33 ct | 20.19×20.19 mm |
| 36 ct | 20.78×20.78 mm |
| 40 ct | 21.53×21.53 mm |