Baguette-cut Tourmaline Size Chart
Carat to mm size chart for baguette-cut Tourmaline, from 0.25ct to 40ct (at an L/W ratio of 1.5). 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 (Baguette Cut)
0.25ct
4.77×3.18 mm
4.77×3.18 mm
0.5ct
6.02×4.01 mm
6.02×4.01 mm
0.75ct
6.89×4.59 mm
6.89×4.59 mm
1ct
7.58×5.05 mm
7.58×5.05 mm
1.25ct
8.16×5.44 mm
8.16×5.44 mm
1.5ct
8.67×5.78 mm
8.67×5.78 mm
1.75ct
9.14×6.09 mm
9.14×6.09 mm
2ct
9.54×6.36 mm
9.54×6.36 mm
2.5ct
10.29×6.86 mm
10.29×6.86 mm
3ct
10.94×7.29 mm
10.94×7.29 mm
3.5ct
11.51×7.67 mm
11.51×7.67 mm
4ct
12.03×8.02 mm
12.03×8.02 mm
4.5ct
12.51×8.34 mm
12.51×8.34 mm
5ct
12.96×8.64 mm
12.96×8.64 mm
5.5ct
13.38×8.92 mm
13.38×8.92 mm
6ct
13.77×9.18 mm
13.77×9.18 mm
6.5ct
14.15×9.43 mm
14.15×9.43 mm
7ct
14.49×9.66 mm
14.49×9.66 mm
7.5ct
14.84×9.89 mm
14.84×9.89 mm
8ct
15.15×10.1 mm
15.15×10.1 mm
8.5ct
15.47×10.31 mm
15.47×10.31 mm
9ct
15.77×10.51 mm
15.77×10.51 mm
9.5ct
16.05×10.7 mm
16.05×10.7 mm
10ct
16.32×10.88 mm
16.32×10.88 mm
11ct
16.85×11.23 mm
16.85×11.23 mm
12ct
17.36×11.57 mm
17.36×11.57 mm
13ct
17.82×11.88 mm
17.82×11.88 mm
14ct
18.27×12.18 mm
18.27×12.18 mm
15ct
18.69×12.46 mm
18.69×12.46 mm
16ct
19.1×12.73 mm
19.1×12.73 mm
17ct
19.49×12.99 mm
19.49×12.99 mm
18ct
19.86×13.24 mm
19.86×13.24 mm
19ct
20.22×13.48 mm
20.22×13.48 mm
20ct
20.57×13.71 mm
20.57×13.71 mm
22ct
21.23×14.15 mm
21.23×14.15 mm
24ct
21.86×14.57 mm
21.86×14.57 mm
26ct
22.46×14.97 mm
22.46×14.97 mm
28ct
23.01×15.34 mm
23.01×15.34 mm
30ct
23.55×15.7 mm
23.55×15.7 mm
33ct
24.3×16.2 mm
24.3×16.2 mm
36ct
25.02×16.68 mm
25.02×16.68 mm
40ct
25.92×17.28 mm
25.92×17.28 mm
Length-to-width ratio: 1.5, 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 baguette-cut Tourmaline carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 4.77×3.18 mm |
| 0.5 ct | 6.02×4.01 mm |
| 0.75 ct | 6.89×4.59 mm |
| 1 ct | 7.58×5.05 mm |
| 1.25 ct | 8.16×5.44 mm |
| 1.5 ct | 8.67×5.78 mm |
| 1.75 ct | 9.14×6.09 mm |
| 2 ct | 9.54×6.36 mm |
| 2.5 ct | 10.29×6.86 mm |
| 3 ct | 10.94×7.29 mm |
| 3.5 ct | 11.51×7.67 mm |
| 4 ct | 12.03×8.02 mm |
| 4.5 ct | 12.51×8.34 mm |
| 5 ct | 12.96×8.64 mm |
| 5.5 ct | 13.38×8.92 mm |
| 6 ct | 13.77×9.18 mm |
| 6.5 ct | 14.15×9.43 mm |
| 7 ct | 14.49×9.66 mm |
| 7.5 ct | 14.84×9.89 mm |
| 8 ct | 15.15×10.1 mm |
| 8.5 ct | 15.47×10.31 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 15.77×10.51 mm |
| 9.5 ct | 16.05×10.7 mm |
| 10 ct | 16.32×10.88 mm |
| 11 ct | 16.85×11.23 mm |
| 12 ct | 17.36×11.57 mm |
| 13 ct | 17.82×11.88 mm |
| 14 ct | 18.27×12.18 mm |
| 15 ct | 18.69×12.46 mm |
| 16 ct | 19.1×12.73 mm |
| 17 ct | 19.49×12.99 mm |
| 18 ct | 19.86×13.24 mm |
| 19 ct | 20.22×13.48 mm |
| 20 ct | 20.57×13.71 mm |
| 22 ct | 21.23×14.15 mm |
| 24 ct | 21.86×14.57 mm |
| 26 ct | 22.46×14.97 mm |
| 28 ct | 23.01×15.34 mm |
| 30 ct | 23.55×15.7 mm |
| 33 ct | 24.3×16.2 mm |
| 36 ct | 25.02×16.68 mm |
| 40 ct | 25.92×17.28 mm |