Oval-cut Almandine Size Chart
Carat to mm size chart for oval-cut Almandine, 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:
Almandine Size Chart (Oval Cut)
0.25ct
4.82×3.21 mm
4.82×3.21 mm
0.5ct
6.06×4.04 mm
6.06×4.04 mm
0.75ct
6.93×4.62 mm
6.93×4.62 mm
1ct
7.64×5.09 mm
7.64×5.09 mm
1.25ct
8.22×5.48 mm
8.22×5.48 mm
1.5ct
8.75×5.83 mm
8.75×5.83 mm
1.75ct
9.2×6.13 mm
9.2×6.13 mm
2ct
9.62×6.41 mm
9.62×6.41 mm
2.5ct
10.37×6.91 mm
10.37×6.91 mm
3ct
11.01×7.34 mm
11.01×7.34 mm
3.5ct
11.6×7.73 mm
11.6×7.73 mm
4ct
12.12×8.08 mm
12.12×8.08 mm
4.5ct
12.6×8.4 mm
12.6×8.4 mm
5ct
13.05×8.7 mm
13.05×8.7 mm
5.5ct
13.49×8.99 mm
13.49×8.99 mm
6ct
13.88×9.25 mm
13.88×9.25 mm
6.5ct
14.25×9.5 mm
14.25×9.5 mm
7ct
14.61×9.74 mm
14.61×9.74 mm
7.5ct
14.94×9.96 mm
14.94×9.96 mm
8ct
15.27×10.18 mm
15.27×10.18 mm
8.5ct
15.59×10.39 mm
15.59×10.39 mm
9ct
15.89×10.59 mm
15.89×10.59 mm
9.5ct
16.17×10.78 mm
16.17×10.78 mm
10ct
16.46×10.97 mm
16.46×10.97 mm
11ct
16.98×11.32 mm
16.98×11.32 mm
12ct
17.48×11.65 mm
17.48×11.65 mm
13ct
17.96×11.97 mm
17.96×11.97 mm
14ct
18.41×12.27 mm
18.41×12.27 mm
15ct
18.83×12.55 mm
18.83×12.55 mm
16ct
19.25×12.83 mm
19.25×12.83 mm
17ct
19.64×13.09 mm
19.64×13.09 mm
18ct
20.01×13.34 mm
20.01×13.34 mm
19ct
20.37×13.58 mm
20.37×13.58 mm
20ct
20.73×13.82 mm
20.73×13.82 mm
22ct
21.39×14.26 mm
21.39×14.26 mm
24ct
22.02×14.68 mm
22.02×14.68 mm
26ct
22.62×15.08 mm
22.62×15.08 mm
28ct
23.19×15.46 mm
23.19×15.46 mm
30ct
23.73×15.82 mm
23.73×15.82 mm
33ct
24.5×16.33 mm
24.5×16.33 mm
36ct
25.22×16.81 mm
25.22×16.81 mm
40ct
26.12×17.41 mm
26.12×17.41 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 Almandine carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 4.82×3.21 mm |
| 0.5 ct | 6.06×4.04 mm |
| 0.75 ct | 6.93×4.62 mm |
| 1 ct | 7.64×5.09 mm |
| 1.25 ct | 8.22×5.48 mm |
| 1.5 ct | 8.75×5.83 mm |
| 1.75 ct | 9.2×6.13 mm |
| 2 ct | 9.62×6.41 mm |
| 2.5 ct | 10.37×6.91 mm |
| 3 ct | 11.01×7.34 mm |
| 3.5 ct | 11.6×7.73 mm |
| 4 ct | 12.12×8.08 mm |
| 4.5 ct | 12.6×8.4 mm |
| 5 ct | 13.05×8.7 mm |
| 5.5 ct | 13.49×8.99 mm |
| 6 ct | 13.88×9.25 mm |
| 6.5 ct | 14.25×9.5 mm |
| 7 ct | 14.61×9.74 mm |
| 7.5 ct | 14.94×9.96 mm |
| 8 ct | 15.27×10.18 mm |
| 8.5 ct | 15.59×10.39 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 15.89×10.59 mm |
| 9.5 ct | 16.17×10.78 mm |
| 10 ct | 16.46×10.97 mm |
| 11 ct | 16.98×11.32 mm |
| 12 ct | 17.48×11.65 mm |
| 13 ct | 17.96×11.97 mm |
| 14 ct | 18.41×12.27 mm |
| 15 ct | 18.83×12.55 mm |
| 16 ct | 19.25×12.83 mm |
| 17 ct | 19.64×13.09 mm |
| 18 ct | 20.01×13.34 mm |
| 19 ct | 20.37×13.58 mm |
| 20 ct | 20.73×13.82 mm |
| 22 ct | 21.39×14.26 mm |
| 24 ct | 22.02×14.68 mm |
| 26 ct | 22.62×15.08 mm |
| 28 ct | 23.19×15.46 mm |
| 30 ct | 23.73×15.82 mm |
| 33 ct | 24.5×16.33 mm |
| 36 ct | 25.22×16.81 mm |
| 40 ct | 26.12×17.41 mm |