Oval-cut Fluorite Size Chart
Carat to mm size chart for oval-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 (Oval Cut)
0.25ct
5.22×3.48 mm
5.22×3.48 mm
0.5ct
6.57×4.38 mm
6.57×4.38 mm
0.75ct
7.52×5.01 mm
7.52×5.01 mm
1ct
8.28×5.52 mm
8.28×5.52 mm
1.25ct
8.91×5.94 mm
8.91×5.94 mm
1.5ct
9.48×6.32 mm
9.48×6.32 mm
1.75ct
9.98×6.65 mm
9.98×6.65 mm
2ct
10.43×6.95 mm
10.43×6.95 mm
2.5ct
11.24×7.49 mm
11.24×7.49 mm
3ct
11.94×7.96 mm
11.94×7.96 mm
3.5ct
12.57×8.38 mm
12.57×8.38 mm
4ct
13.14×8.76 mm
13.14×8.76 mm
4.5ct
13.67×9.11 mm
13.67×9.11 mm
5ct
14.16×9.44 mm
14.16×9.44 mm
5.5ct
14.61×9.74 mm
14.61×9.74 mm
6ct
15.05×10.03 mm
15.05×10.03 mm
6.5ct
15.45×10.3 mm
15.45×10.3 mm
7ct
15.83×10.55 mm
15.83×10.55 mm
7.5ct
16.2×10.8 mm
16.2×10.8 mm
8ct
16.56×11.04 mm
16.56×11.04 mm
8.5ct
16.89×11.26 mm
16.89×11.26 mm
9ct
17.22×11.48 mm
17.22×11.48 mm
9.5ct
17.54×11.69 mm
17.54×11.69 mm
10ct
17.84×11.89 mm
17.84×11.89 mm
11ct
18.41×12.27 mm
18.41×12.27 mm
12ct
18.95×12.63 mm
18.95×12.63 mm
13ct
19.46×12.97 mm
19.46×12.97 mm
14ct
19.95×13.3 mm
19.95×13.3 mm
15ct
20.42×13.61 mm
20.42×13.61 mm
16ct
20.85×13.9 mm
20.85×13.9 mm
17ct
21.29×14.19 mm
21.29×14.19 mm
18ct
21.69×14.46 mm
21.69×14.46 mm
19ct
22.08×14.72 mm
22.08×14.72 mm
20ct
22.47×14.98 mm
22.47×14.98 mm
22ct
23.19×15.46 mm
23.19×15.46 mm
24ct
23.88×15.92 mm
23.88×15.92 mm
26ct
24.53×16.35 mm
24.53×16.35 mm
28ct
25.13×16.75 mm
25.13×16.75 mm
30ct
25.71×17.14 mm
25.71×17.14 mm
33ct
26.55×17.7 mm
26.55×17.7 mm
36ct
27.33×18.22 mm
27.33×18.22 mm
40ct
28.31×18.87 mm
28.31×18.87 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 oval-cut Fluorite carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 5.22×3.48 mm |
| 0.5 ct | 6.57×4.38 mm |
| 0.75 ct | 7.52×5.01 mm |
| 1 ct | 8.28×5.52 mm |
| 1.25 ct | 8.91×5.94 mm |
| 1.5 ct | 9.48×6.32 mm |
| 1.75 ct | 9.98×6.65 mm |
| 2 ct | 10.43×6.95 mm |
| 2.5 ct | 11.24×7.49 mm |
| 3 ct | 11.94×7.96 mm |
| 3.5 ct | 12.57×8.38 mm |
| 4 ct | 13.14×8.76 mm |
| 4.5 ct | 13.67×9.11 mm |
| 5 ct | 14.16×9.44 mm |
| 5.5 ct | 14.61×9.74 mm |
| 6 ct | 15.05×10.03 mm |
| 6.5 ct | 15.45×10.3 mm |
| 7 ct | 15.83×10.55 mm |
| 7.5 ct | 16.2×10.8 mm |
| 8 ct | 16.56×11.04 mm |
| 8.5 ct | 16.89×11.26 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 17.22×11.48 mm |
| 9.5 ct | 17.54×11.69 mm |
| 10 ct | 17.84×11.89 mm |
| 11 ct | 18.41×12.27 mm |
| 12 ct | 18.95×12.63 mm |
| 13 ct | 19.46×12.97 mm |
| 14 ct | 19.95×13.3 mm |
| 15 ct | 20.42×13.61 mm |
| 16 ct | 20.85×13.9 mm |
| 17 ct | 21.29×14.19 mm |
| 18 ct | 21.69×14.46 mm |
| 19 ct | 22.08×14.72 mm |
| 20 ct | 22.47×14.98 mm |
| 22 ct | 23.19×15.46 mm |
| 24 ct | 23.88×15.92 mm |
| 26 ct | 24.53×16.35 mm |
| 28 ct | 25.13×16.75 mm |
| 30 ct | 25.71×17.14 mm |
| 33 ct | 26.55×17.7 mm |
| 36 ct | 27.33×18.22 mm |
| 40 ct | 28.31×18.87 mm |