Pear-cut Tourmaline Size Chart
Carat to mm size chart for pear-cut Tourmaline, from 0.25ct to 40ct (at an L/W ratio of 1.66). 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:
Tourmaline Size Chart (Pear Cut)
0.25ct
5.86×3.53 mm
5.86×3.53 mm
0.5ct
7.39×4.45 mm
7.39×4.45 mm
0.75ct
8.45×5.09 mm
8.45×5.09 mm
1ct
9.3×5.6 mm
9.3×5.6 mm
1.25ct
10.01×6.03 mm
10.01×6.03 mm
1.5ct
10.64×6.41 mm
10.64×6.41 mm
1.75ct
11.21×6.75 mm
11.21×6.75 mm
2ct
11.72×7.06 mm
11.72×7.06 mm
2.5ct
12.62×7.6 mm
12.62×7.6 mm
3ct
13.41×8.08 mm
13.41×8.08 mm
3.5ct
14.11×8.5 mm
14.11×8.5 mm
4ct
14.76×8.89 mm
14.76×8.89 mm
4.5ct
15.36×9.25 mm
15.36×9.25 mm
5ct
15.9×9.58 mm
15.9×9.58 mm
5.5ct
16.42×9.89 mm
16.42×9.89 mm
6ct
16.9×10.18 mm
16.9×10.18 mm
6.5ct
17.35×10.45 mm
17.35×10.45 mm
7ct
17.8×10.72 mm
17.8×10.72 mm
7.5ct
18.19×10.96 mm
18.19×10.96 mm
8ct
18.59×11.2 mm
18.59×11.2 mm
8.5ct
18.97×11.43 mm
18.97×11.43 mm
9ct
19.34×11.65 mm
19.34×11.65 mm
9.5ct
19.69×11.86 mm
19.69×11.86 mm
10ct
20.04×12.07 mm
20.04×12.07 mm
11ct
20.68×12.46 mm
20.68×12.46 mm
12ct
21.28×12.82 mm
21.28×12.82 mm
13ct
21.86×13.17 mm
21.86×13.17 mm
14ct
22.41×13.5 mm
22.41×13.5 mm
15ct
22.92×13.81 mm
22.92×13.81 mm
16ct
23.44×14.12 mm
23.44×14.12 mm
17ct
23.9×14.4 mm
23.9×14.4 mm
18ct
24.37×14.68 mm
24.37×14.68 mm
19ct
24.82×14.95 mm
24.82×14.95 mm
20ct
25.25×15.21 mm
25.25×15.21 mm
22ct
26.06×15.7 mm
26.06×15.7 mm
24ct
26.83×16.16 mm
26.83×16.16 mm
26ct
27.54×16.59 mm
27.54×16.59 mm
28ct
28.24×17.01 mm
28.24×17.01 mm
30ct
28.9×17.41 mm
28.9×17.41 mm
33ct
29.83×17.97 mm
29.83×17.97 mm
36ct
30.71×18.5 mm
30.71×18.5 mm
40ct
31.81×19.16 mm
31.81×19.16 mm
Length-to-width ratio: 1.66, 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 pear-cut Tourmaline carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 5.86×3.53 mm |
| 0.5 ct | 7.39×4.45 mm |
| 0.75 ct | 8.45×5.09 mm |
| 1 ct | 9.3×5.6 mm |
| 1.25 ct | 10.01×6.03 mm |
| 1.5 ct | 10.64×6.41 mm |
| 1.75 ct | 11.21×6.75 mm |
| 2 ct | 11.72×7.06 mm |
| 2.5 ct | 12.62×7.6 mm |
| 3 ct | 13.41×8.08 mm |
| 3.5 ct | 14.11×8.5 mm |
| 4 ct | 14.76×8.89 mm |
| 4.5 ct | 15.36×9.25 mm |
| 5 ct | 15.9×9.58 mm |
| 5.5 ct | 16.42×9.89 mm |
| 6 ct | 16.9×10.18 mm |
| 6.5 ct | 17.35×10.45 mm |
| 7 ct | 17.8×10.72 mm |
| 7.5 ct | 18.19×10.96 mm |
| 8 ct | 18.59×11.2 mm |
| 8.5 ct | 18.97×11.43 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 19.34×11.65 mm |
| 9.5 ct | 19.69×11.86 mm |
| 10 ct | 20.04×12.07 mm |
| 11 ct | 20.68×12.46 mm |
| 12 ct | 21.28×12.82 mm |
| 13 ct | 21.86×13.17 mm |
| 14 ct | 22.41×13.5 mm |
| 15 ct | 22.92×13.81 mm |
| 16 ct | 23.44×14.12 mm |
| 17 ct | 23.9×14.4 mm |
| 18 ct | 24.37×14.68 mm |
| 19 ct | 24.82×14.95 mm |
| 20 ct | 25.25×15.21 mm |
| 22 ct | 26.06×15.7 mm |
| 24 ct | 26.83×16.16 mm |
| 26 ct | 27.54×16.59 mm |
| 28 ct | 28.24×17.01 mm |
| 30 ct | 28.9×17.41 mm |
| 33 ct | 29.83×17.97 mm |
| 36 ct | 30.71×18.5 mm |
| 40 ct | 31.81×19.16 mm |