Cabochon-cut Fluorite Size Chart
Carat to mm size chart for cabochon-cut Fluorite, 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:
Fluorite Size Chart (Cabochon Cut)
0.25ct
4.65×3.1 mm
4.65×3.1 mm
0.5ct
5.87×3.91 mm
5.87×3.91 mm
0.75ct
6.71×4.47 mm
6.71×4.47 mm
1ct
7.38×4.92 mm
7.38×4.92 mm
1.25ct
7.97×5.31 mm
7.97×5.31 mm
1.5ct
8.46×5.64 mm
8.46×5.64 mm
1.75ct
8.9×5.93 mm
8.9×5.93 mm
2ct
9.32×6.21 mm
9.32×6.21 mm
2.5ct
10.02×6.68 mm
10.02×6.68 mm
3ct
10.65×7.1 mm
10.65×7.1 mm
3.5ct
11.22×7.48 mm
11.22×7.48 mm
4ct
11.73×7.82 mm
11.73×7.82 mm
4.5ct
12.2×8.13 mm
12.2×8.13 mm
5ct
12.63×8.42 mm
12.63×8.42 mm
5.5ct
13.04×8.69 mm
13.04×8.69 mm
6ct
13.43×8.95 mm
13.43×8.95 mm
6.5ct
13.79×9.19 mm
13.79×9.19 mm
7ct
14.13×9.42 mm
14.13×9.42 mm
7.5ct
14.46×9.64 mm
14.46×9.64 mm
8ct
14.78×9.85 mm
14.78×9.85 mm
8.5ct
15.08×10.05 mm
15.08×10.05 mm
9ct
15.36×10.24 mm
15.36×10.24 mm
9.5ct
15.65×10.43 mm
15.65×10.43 mm
10ct
15.92×10.61 mm
15.92×10.61 mm
11ct
16.43×10.95 mm
16.43×10.95 mm
12ct
16.92×11.28 mm
16.92×11.28 mm
13ct
17.37×11.58 mm
17.37×11.58 mm
14ct
17.81×11.87 mm
17.81×11.87 mm
15ct
18.23×12.15 mm
18.23×12.15 mm
16ct
18.62×12.41 mm
18.62×12.41 mm
17ct
18.99×12.66 mm
18.99×12.66 mm
18ct
19.37×12.91 mm
19.37×12.91 mm
19ct
19.71×13.14 mm
19.71×13.14 mm
20ct
20.06×13.37 mm
20.06×13.37 mm
22ct
20.7×13.8 mm
20.7×13.8 mm
24ct
21.32×14.21 mm
21.32×14.21 mm
26ct
21.89×14.59 mm
21.89×14.59 mm
28ct
22.44×14.96 mm
22.44×14.96 mm
30ct
22.95×15.3 mm
22.95×15.3 mm
33ct
23.7×15.8 mm
23.7×15.8 mm
36ct
24.39×16.26 mm
24.39×16.26 mm
40ct
25.26×16.84 mm
25.26×16.84 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 cabochon-cut Fluorite carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 4.65×3.1 mm |
| 0.5 ct | 5.87×3.91 mm |
| 0.75 ct | 6.71×4.47 mm |
| 1 ct | 7.38×4.92 mm |
| 1.25 ct | 7.97×5.31 mm |
| 1.5 ct | 8.46×5.64 mm |
| 1.75 ct | 8.9×5.93 mm |
| 2 ct | 9.32×6.21 mm |
| 2.5 ct | 10.02×6.68 mm |
| 3 ct | 10.65×7.1 mm |
| 3.5 ct | 11.22×7.48 mm |
| 4 ct | 11.73×7.82 mm |
| 4.5 ct | 12.2×8.13 mm |
| 5 ct | 12.63×8.42 mm |
| 5.5 ct | 13.04×8.69 mm |
| 6 ct | 13.43×8.95 mm |
| 6.5 ct | 13.79×9.19 mm |
| 7 ct | 14.13×9.42 mm |
| 7.5 ct | 14.46×9.64 mm |
| 8 ct | 14.78×9.85 mm |
| 8.5 ct | 15.08×10.05 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 15.36×10.24 mm |
| 9.5 ct | 15.65×10.43 mm |
| 10 ct | 15.92×10.61 mm |
| 11 ct | 16.43×10.95 mm |
| 12 ct | 16.92×11.28 mm |
| 13 ct | 17.37×11.58 mm |
| 14 ct | 17.81×11.87 mm |
| 15 ct | 18.23×12.15 mm |
| 16 ct | 18.62×12.41 mm |
| 17 ct | 18.99×12.66 mm |
| 18 ct | 19.37×12.91 mm |
| 19 ct | 19.71×13.14 mm |
| 20 ct | 20.06×13.37 mm |
| 22 ct | 20.7×13.8 mm |
| 24 ct | 21.32×14.21 mm |
| 26 ct | 21.89×14.59 mm |
| 28 ct | 22.44×14.96 mm |
| 30 ct | 22.95×15.3 mm |
| 33 ct | 23.7×15.8 mm |
| 36 ct | 24.39×16.26 mm |
| 40 ct | 25.26×16.84 mm |