Emerald-cut Cubic Zirconia Size Chart
Carat to mm size chart for emerald-cut Cubic Zirconia, from 0.25ct to 40ct (at an L/W ratio of 1.35). 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:
Cubic Zirconia Size Chart (Emerald Cut)
0.25ct
3.59×2.66 mm
3.59×2.66 mm
0.5ct
4.52×3.35 mm
4.52×3.35 mm
0.75ct
5.17×3.83 mm
5.17×3.83 mm
1ct
5.7×4.22 mm
5.7×4.22 mm
1.25ct
6.13×4.54 mm
6.13×4.54 mm
1.5ct
6.52×4.83 mm
6.52×4.83 mm
1.75ct
6.86×5.08 mm
6.86×5.08 mm
2ct
7.17×5.31 mm
7.17×5.31 mm
2.5ct
7.72×5.72 mm
7.72×5.72 mm
3ct
8.21×6.08 mm
8.21×6.08 mm
3.5ct
8.64×6.4 mm
8.64×6.4 mm
4ct
9.03×6.69 mm
9.03×6.69 mm
4.5ct
9.4×6.96 mm
9.4×6.96 mm
5ct
9.73×7.21 mm
9.73×7.21 mm
5.5ct
10.04×7.44 mm
10.04×7.44 mm
6ct
10.34×7.66 mm
10.34×7.66 mm
6.5ct
10.62×7.87 mm
10.62×7.87 mm
7ct
10.88×8.06 mm
10.88×8.06 mm
7.5ct
11.14×8.25 mm
11.14×8.25 mm
8ct
11.38×8.43 mm
11.38×8.43 mm
8.5ct
11.61×8.6 mm
11.61×8.6 mm
9ct
11.84×8.77 mm
11.84×8.77 mm
9.5ct
12.06×8.93 mm
12.06×8.93 mm
10ct
12.26×9.08 mm
12.26×9.08 mm
11ct
12.66×9.38 mm
12.66×9.38 mm
12ct
13.03×9.65 mm
13.03×9.65 mm
13ct
13.38×9.91 mm
13.38×9.91 mm
14ct
13.72×10.16 mm
13.72×10.16 mm
15ct
14.04×10.4 mm
14.04×10.4 mm
16ct
14.34×10.62 mm
14.34×10.62 mm
17ct
14.63×10.84 mm
14.63×10.84 mm
18ct
14.92×11.05 mm
14.92×11.05 mm
19ct
15.19×11.25 mm
15.19×11.25 mm
20ct
15.44×11.44 mm
15.44×11.44 mm
22ct
15.94×11.81 mm
15.94×11.81 mm
24ct
16.42×12.16 mm
16.42×12.16 mm
26ct
16.86×12.49 mm
16.86×12.49 mm
28ct
17.28×12.8 mm
17.28×12.8 mm
30ct
17.69×13.1 mm
17.69×13.1 mm
33ct
18.25×13.52 mm
18.25×13.52 mm
36ct
18.79×13.92 mm
18.79×13.92 mm
40ct
19.47×14.42 mm
19.47×14.42 mm
Length-to-width ratio: 1.35, 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 emerald-cut Cubic Zirconia carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 3.59×2.66 mm |
| 0.5 ct | 4.52×3.35 mm |
| 0.75 ct | 5.17×3.83 mm |
| 1 ct | 5.7×4.22 mm |
| 1.25 ct | 6.13×4.54 mm |
| 1.5 ct | 6.52×4.83 mm |
| 1.75 ct | 6.86×5.08 mm |
| 2 ct | 7.17×5.31 mm |
| 2.5 ct | 7.72×5.72 mm |
| 3 ct | 8.21×6.08 mm |
| 3.5 ct | 8.64×6.4 mm |
| 4 ct | 9.03×6.69 mm |
| 4.5 ct | 9.4×6.96 mm |
| 5 ct | 9.73×7.21 mm |
| 5.5 ct | 10.04×7.44 mm |
| 6 ct | 10.34×7.66 mm |
| 6.5 ct | 10.62×7.87 mm |
| 7 ct | 10.88×8.06 mm |
| 7.5 ct | 11.14×8.25 mm |
| 8 ct | 11.38×8.43 mm |
| 8.5 ct | 11.61×8.6 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 11.84×8.77 mm |
| 9.5 ct | 12.06×8.93 mm |
| 10 ct | 12.26×9.08 mm |
| 11 ct | 12.66×9.38 mm |
| 12 ct | 13.03×9.65 mm |
| 13 ct | 13.38×9.91 mm |
| 14 ct | 13.72×10.16 mm |
| 15 ct | 14.04×10.4 mm |
| 16 ct | 14.34×10.62 mm |
| 17 ct | 14.63×10.84 mm |
| 18 ct | 14.92×11.05 mm |
| 19 ct | 15.19×11.25 mm |
| 20 ct | 15.44×11.44 mm |
| 22 ct | 15.94×11.81 mm |
| 24 ct | 16.42×12.16 mm |
| 26 ct | 16.86×12.49 mm |
| 28 ct | 17.28×12.8 mm |
| 30 ct | 17.69×13.1 mm |
| 33 ct | 18.25×13.52 mm |
| 36 ct | 18.79×13.92 mm |
| 40 ct | 19.47×14.42 mm |