Emerald-cut Zircon Size Chart
Carat to mm size chart for emerald-cut Zircon, 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:
Zircon Size Chart (Emerald Cut)
0.25ct
3.81×2.82 mm
3.81×2.82 mm
0.5ct
4.81×3.56 mm
4.81×3.56 mm
0.75ct
5.49×4.07 mm
5.49×4.07 mm
1ct
6.05×4.48 mm
6.05×4.48 mm
1.25ct
6.52×4.83 mm
6.52×4.83 mm
1.5ct
6.93×5.13 mm
6.93×5.13 mm
1.75ct
7.29×5.4 mm
7.29×5.4 mm
2ct
7.63×5.65 mm
7.63×5.65 mm
2.5ct
8.21×6.08 mm
8.21×6.08 mm
3ct
8.72×6.46 mm
8.72×6.46 mm
3.5ct
9.19×6.81 mm
9.19×6.81 mm
4ct
9.61×7.12 mm
9.61×7.12 mm
4.5ct
9.99×7.4 mm
9.99×7.4 mm
5ct
10.34×7.66 mm
10.34×7.66 mm
5.5ct
10.68×7.91 mm
10.68×7.91 mm
6ct
11×8.15 mm
11×8.15 mm
6.5ct
11.3×8.37 mm
11.3×8.37 mm
7ct
11.57×8.57 mm
11.57×8.57 mm
7.5ct
11.84×8.77 mm
11.84×8.77 mm
8ct
12.1×8.96 mm
12.1×8.96 mm
8.5ct
12.35×9.15 mm
12.35×9.15 mm
9ct
12.58×9.32 mm
12.58×9.32 mm
9.5ct
12.81×9.49 mm
12.81×9.49 mm
10ct
13.04×9.66 mm
13.04×9.66 mm
11ct
13.46×9.97 mm
13.46×9.97 mm
12ct
13.85×10.26 mm
13.85×10.26 mm
13ct
14.23×10.54 mm
14.23×10.54 mm
14ct
14.58×10.8 mm
14.58×10.8 mm
15ct
14.92×11.05 mm
14.92×11.05 mm
16ct
15.24×11.29 mm
15.24×11.29 mm
17ct
15.57×11.53 mm
15.57×11.53 mm
18ct
15.86×11.75 mm
15.86×11.75 mm
19ct
16.15×11.96 mm
16.15×11.96 mm
20ct
16.43×12.17 mm
16.43×12.17 mm
22ct
16.96×12.56 mm
16.96×12.56 mm
24ct
17.46×12.93 mm
17.46×12.93 mm
26ct
17.93×13.28 mm
17.93×13.28 mm
28ct
18.37×13.61 mm
18.37×13.61 mm
30ct
18.81×13.93 mm
18.81×13.93 mm
33ct
19.41×14.38 mm
19.41×14.38 mm
36ct
19.98×14.8 mm
19.98×14.8 mm
40ct
20.7×15.33 mm
20.7×15.33 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 Zircon carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 3.81×2.82 mm |
| 0.5 ct | 4.81×3.56 mm |
| 0.75 ct | 5.49×4.07 mm |
| 1 ct | 6.05×4.48 mm |
| 1.25 ct | 6.52×4.83 mm |
| 1.5 ct | 6.93×5.13 mm |
| 1.75 ct | 7.29×5.4 mm |
| 2 ct | 7.63×5.65 mm |
| 2.5 ct | 8.21×6.08 mm |
| 3 ct | 8.72×6.46 mm |
| 3.5 ct | 9.19×6.81 mm |
| 4 ct | 9.61×7.12 mm |
| 4.5 ct | 9.99×7.4 mm |
| 5 ct | 10.34×7.66 mm |
| 5.5 ct | 10.68×7.91 mm |
| 6 ct | 11×8.15 mm |
| 6.5 ct | 11.3×8.37 mm |
| 7 ct | 11.57×8.57 mm |
| 7.5 ct | 11.84×8.77 mm |
| 8 ct | 12.1×8.96 mm |
| 8.5 ct | 12.35×9.15 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 12.58×9.32 mm |
| 9.5 ct | 12.81×9.49 mm |
| 10 ct | 13.04×9.66 mm |
| 11 ct | 13.46×9.97 mm |
| 12 ct | 13.85×10.26 mm |
| 13 ct | 14.23×10.54 mm |
| 14 ct | 14.58×10.8 mm |
| 15 ct | 14.92×11.05 mm |
| 16 ct | 15.24×11.29 mm |
| 17 ct | 15.57×11.53 mm |
| 18 ct | 15.86×11.75 mm |
| 19 ct | 16.15×11.96 mm |
| 20 ct | 16.43×12.17 mm |
| 22 ct | 16.96×12.56 mm |
| 24 ct | 17.46×12.93 mm |
| 26 ct | 17.93×13.28 mm |
| 28 ct | 18.37×13.61 mm |
| 30 ct | 18.81×13.93 mm |
| 33 ct | 19.41×14.38 mm |
| 36 ct | 19.98×14.8 mm |
| 40 ct | 20.7×15.33 mm |