Marquise-cut Fluorite Size Chart
Carat to mm size chart for marquise-cut Fluorite, from 0.25ct to 40ct (at an L/W ratio of 2). 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 (Marquise Cut)
0.25ct
6.62×3.31 mm
6.62×3.31 mm
0.5ct
8.34×4.17 mm
8.34×4.17 mm
0.75ct
9.54×4.77 mm
9.54×4.77 mm
1ct
10.5×5.25 mm
10.5×5.25 mm
1.25ct
11.3×5.65 mm
11.3×5.65 mm
1.5ct
12.02×6.01 mm
12.02×6.01 mm
1.75ct
12.64×6.32 mm
12.64×6.32 mm
2ct
13.22×6.61 mm
13.22×6.61 mm
2.5ct
14.24×7.12 mm
14.24×7.12 mm
3ct
15.14×7.57 mm
15.14×7.57 mm
3.5ct
15.94×7.97 mm
15.94×7.97 mm
4ct
16.66×8.33 mm
16.66×8.33 mm
4.5ct
17.32×8.66 mm
17.32×8.66 mm
5ct
17.94×8.97 mm
17.94×8.97 mm
5.5ct
18.52×9.26 mm
18.52×9.26 mm
6ct
19.08×9.54 mm
19.08×9.54 mm
6.5ct
19.58×9.79 mm
19.58×9.79 mm
7ct
20.08×10.04 mm
20.08×10.04 mm
7.5ct
20.54×10.27 mm
20.54×10.27 mm
8ct
21×10.5 mm
21×10.5 mm
8.5ct
21.42×10.71 mm
21.42×10.71 mm
9ct
21.84×10.92 mm
21.84×10.92 mm
9.5ct
22.22×11.11 mm
22.22×11.11 mm
10ct
22.62×11.31 mm
22.62×11.31 mm
11ct
23.34×11.67 mm
23.34×11.67 mm
12ct
24.02×12.01 mm
24.02×12.01 mm
13ct
24.68×12.34 mm
24.68×12.34 mm
14ct
25.3×12.65 mm
25.3×12.65 mm
15ct
25.88×12.94 mm
25.88×12.94 mm
16ct
26.44×13.22 mm
26.44×13.22 mm
17ct
26.98×13.49 mm
26.98×13.49 mm
18ct
27.5×13.75 mm
27.5×13.75 mm
19ct
28×14 mm
28×14 mm
20ct
28.48×14.24 mm
28.48×14.24 mm
22ct
29.4×14.7 mm
29.4×14.7 mm
24ct
30.28×15.14 mm
30.28×15.14 mm
26ct
31.1×15.55 mm
31.1×15.55 mm
28ct
31.88×15.94 mm
31.88×15.94 mm
30ct
32.62×16.31 mm
32.62×16.31 mm
33ct
33.66×16.83 mm
33.66×16.83 mm
36ct
34.66×17.33 mm
34.66×17.33 mm
40ct
35.9×17.95 mm
35.9×17.95 mm
Length-to-width ratio: 2, 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 marquise-cut Fluorite carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 6.62×3.31 mm |
| 0.5 ct | 8.34×4.17 mm |
| 0.75 ct | 9.54×4.77 mm |
| 1 ct | 10.5×5.25 mm |
| 1.25 ct | 11.3×5.65 mm |
| 1.5 ct | 12.02×6.01 mm |
| 1.75 ct | 12.64×6.32 mm |
| 2 ct | 13.22×6.61 mm |
| 2.5 ct | 14.24×7.12 mm |
| 3 ct | 15.14×7.57 mm |
| 3.5 ct | 15.94×7.97 mm |
| 4 ct | 16.66×8.33 mm |
| 4.5 ct | 17.32×8.66 mm |
| 5 ct | 17.94×8.97 mm |
| 5.5 ct | 18.52×9.26 mm |
| 6 ct | 19.08×9.54 mm |
| 6.5 ct | 19.58×9.79 mm |
| 7 ct | 20.08×10.04 mm |
| 7.5 ct | 20.54×10.27 mm |
| 8 ct | 21×10.5 mm |
| 8.5 ct | 21.42×10.71 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 21.84×10.92 mm |
| 9.5 ct | 22.22×11.11 mm |
| 10 ct | 22.62×11.31 mm |
| 11 ct | 23.34×11.67 mm |
| 12 ct | 24.02×12.01 mm |
| 13 ct | 24.68×12.34 mm |
| 14 ct | 25.3×12.65 mm |
| 15 ct | 25.88×12.94 mm |
| 16 ct | 26.44×13.22 mm |
| 17 ct | 26.98×13.49 mm |
| 18 ct | 27.5×13.75 mm |
| 19 ct | 28×14 mm |
| 20 ct | 28.48×14.24 mm |
| 22 ct | 29.4×14.7 mm |
| 24 ct | 30.28×15.14 mm |
| 26 ct | 31.1×15.55 mm |
| 28 ct | 31.88×15.94 mm |
| 30 ct | 32.62×16.31 mm |
| 33 ct | 33.66×16.83 mm |
| 36 ct | 34.66×17.33 mm |
| 40 ct | 35.9×17.95 mm |