Emerald-cut Apatite Size Chart
Carat to mm size chart for emerald-cut Apatite, 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:
Apatite Size Chart (Emerald Cut)
0.25ct
4.33×3.21 mm
4.33×3.21 mm
0.5ct
5.45×4.04 mm
5.45×4.04 mm
0.75ct
6.25×4.63 mm
6.25×4.63 mm
1ct
6.89×5.1 mm
6.89×5.1 mm
1.25ct
7.41×5.49 mm
7.41×5.49 mm
1.5ct
7.87×5.83 mm
7.87×5.83 mm
1.75ct
8.29×6.14 mm
8.29×6.14 mm
2ct
8.67×6.42 mm
8.67×6.42 mm
2.5ct
9.34×6.92 mm
9.34×6.92 mm
3ct
9.92×7.35 mm
9.92×7.35 mm
3.5ct
10.45×7.74 mm
10.45×7.74 mm
4ct
10.92×8.09 mm
10.92×8.09 mm
4.5ct
11.35×8.41 mm
11.35×8.41 mm
5ct
11.76×8.71 mm
11.76×8.71 mm
5.5ct
12.14×8.99 mm
12.14×8.99 mm
6ct
12.5×9.26 mm
12.5×9.26 mm
6.5ct
12.84×9.51 mm
12.84×9.51 mm
7ct
13.16×9.75 mm
13.16×9.75 mm
7.5ct
13.46×9.97 mm
13.46×9.97 mm
8ct
13.76×10.19 mm
13.76×10.19 mm
8.5ct
14.04×10.4 mm
14.04×10.4 mm
9ct
14.31×10.6 mm
14.31×10.6 mm
9.5ct
14.57×10.79 mm
14.57×10.79 mm
10ct
14.82×10.98 mm
14.82×10.98 mm
11ct
15.3×11.33 mm
15.3×11.33 mm
12ct
15.75×11.67 mm
15.75×11.67 mm
13ct
16.17×11.98 mm
16.17×11.98 mm
14ct
16.58×12.28 mm
16.58×12.28 mm
15ct
16.97×12.57 mm
16.97×12.57 mm
16ct
17.33×12.84 mm
17.33×12.84 mm
17ct
17.69×13.1 mm
17.69×13.1 mm
18ct
18.02×13.35 mm
18.02×13.35 mm
19ct
18.36×13.6 mm
18.36×13.6 mm
20ct
18.67×13.83 mm
18.67×13.83 mm
22ct
19.28×14.28 mm
19.28×14.28 mm
24ct
19.85×14.7 mm
19.85×14.7 mm
26ct
20.37×15.09 mm
20.37×15.09 mm
28ct
20.88×15.47 mm
20.88×15.47 mm
30ct
21.37×15.83 mm
21.37×15.83 mm
33ct
22.06×16.34 mm
22.06×16.34 mm
36ct
22.71×16.82 mm
22.71×16.82 mm
40ct
23.53×17.43 mm
23.53×17.43 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 Apatite carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 4.33×3.21 mm |
| 0.5 ct | 5.45×4.04 mm |
| 0.75 ct | 6.25×4.63 mm |
| 1 ct | 6.89×5.1 mm |
| 1.25 ct | 7.41×5.49 mm |
| 1.5 ct | 7.87×5.83 mm |
| 1.75 ct | 8.29×6.14 mm |
| 2 ct | 8.67×6.42 mm |
| 2.5 ct | 9.34×6.92 mm |
| 3 ct | 9.92×7.35 mm |
| 3.5 ct | 10.45×7.74 mm |
| 4 ct | 10.92×8.09 mm |
| 4.5 ct | 11.35×8.41 mm |
| 5 ct | 11.76×8.71 mm |
| 5.5 ct | 12.14×8.99 mm |
| 6 ct | 12.5×9.26 mm |
| 6.5 ct | 12.84×9.51 mm |
| 7 ct | 13.16×9.75 mm |
| 7.5 ct | 13.46×9.97 mm |
| 8 ct | 13.76×10.19 mm |
| 8.5 ct | 14.04×10.4 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 14.31×10.6 mm |
| 9.5 ct | 14.57×10.79 mm |
| 10 ct | 14.82×10.98 mm |
| 11 ct | 15.3×11.33 mm |
| 12 ct | 15.75×11.67 mm |
| 13 ct | 16.17×11.98 mm |
| 14 ct | 16.58×12.28 mm |
| 15 ct | 16.97×12.57 mm |
| 16 ct | 17.33×12.84 mm |
| 17 ct | 17.69×13.1 mm |
| 18 ct | 18.02×13.35 mm |
| 19 ct | 18.36×13.6 mm |
| 20 ct | 18.67×13.83 mm |
| 22 ct | 19.28×14.28 mm |
| 24 ct | 19.85×14.7 mm |
| 26 ct | 20.37×15.09 mm |
| 28 ct | 20.88×15.47 mm |
| 30 ct | 21.37×15.83 mm |
| 33 ct | 22.06×16.34 mm |
| 36 ct | 22.71×16.82 mm |
| 40 ct | 23.53×17.43 mm |