Pear-cut Spinel Size Chart
Carat to mm size chart for pear-cut Spinel, from 0.25ct to 40ct (at an L/W ratio of 1.66). 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:
Spinel Size Chart (Pear Cut)
0.25ct
5.54×3.34 mm
5.54×3.34 mm
0.5ct
6.99×4.21 mm
6.99×4.21 mm
0.75ct
8×4.82 mm
8×4.82 mm
1ct
8.81×5.31 mm
8.81×5.31 mm
1.25ct
9.5×5.72 mm
9.5×5.72 mm
1.5ct
10.08×6.07 mm
10.08×6.07 mm
1.75ct
10.61×6.39 mm
10.61×6.39 mm
2ct
11.11×6.69 mm
11.11×6.69 mm
2.5ct
11.95×7.2 mm
11.95×7.2 mm
3ct
12.7×7.65 mm
12.7×7.65 mm
3.5ct
13.38×8.06 mm
13.38×8.06 mm
4ct
13.98×8.42 mm
13.98×8.42 mm
4.5ct
14.54×8.76 mm
14.54×8.76 mm
5ct
15.06×9.07 mm
15.06×9.07 mm
5.5ct
15.55×9.37 mm
15.55×9.37 mm
6ct
16×9.64 mm
16×9.64 mm
6.5ct
16.43×9.9 mm
16.43×9.9 mm
7ct
16.85×10.15 mm
16.85×10.15 mm
7.5ct
17.25×10.39 mm
17.25×10.39 mm
8ct
17.61×10.61 mm
17.61×10.61 mm
8.5ct
17.98×10.83 mm
17.98×10.83 mm
9ct
18.33×11.04 mm
18.33×11.04 mm
9.5ct
18.66×11.24 mm
18.66×11.24 mm
10ct
18.97×11.43 mm
18.97×11.43 mm
11ct
19.59×11.8 mm
19.59×11.8 mm
12ct
20.17×12.15 mm
20.17×12.15 mm
13ct
20.72×12.48 mm
20.72×12.48 mm
14ct
21.23×12.79 mm
21.23×12.79 mm
15ct
21.73×13.09 mm
21.73×13.09 mm
16ct
22.19×13.37 mm
22.19×13.37 mm
17ct
22.64×13.64 mm
22.64×13.64 mm
18ct
23.09×13.91 mm
23.09×13.91 mm
19ct
23.51×14.16 mm
23.51×14.16 mm
20ct
23.9×14.4 mm
23.9×14.4 mm
22ct
24.68×14.87 mm
24.68×14.87 mm
24ct
25.41×15.31 mm
25.41×15.31 mm
26ct
26.1×15.72 mm
26.1×15.72 mm
28ct
26.74×16.11 mm
26.74×16.11 mm
30ct
27.37×16.49 mm
27.37×16.49 mm
33ct
28.25×17.02 mm
28.25×17.02 mm
36ct
29.08×17.52 mm
29.08×17.52 mm
40ct
30.13×18.15 mm
30.13×18.15 mm
Length-to-width ratio: 1.66, 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 pear-cut Spinel carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 5.54×3.34 mm |
| 0.5 ct | 6.99×4.21 mm |
| 0.75 ct | 8×4.82 mm |
| 1 ct | 8.81×5.31 mm |
| 1.25 ct | 9.5×5.72 mm |
| 1.5 ct | 10.08×6.07 mm |
| 1.75 ct | 10.61×6.39 mm |
| 2 ct | 11.11×6.69 mm |
| 2.5 ct | 11.95×7.2 mm |
| 3 ct | 12.7×7.65 mm |
| 3.5 ct | 13.38×8.06 mm |
| 4 ct | 13.98×8.42 mm |
| 4.5 ct | 14.54×8.76 mm |
| 5 ct | 15.06×9.07 mm |
| 5.5 ct | 15.55×9.37 mm |
| 6 ct | 16×9.64 mm |
| 6.5 ct | 16.43×9.9 mm |
| 7 ct | 16.85×10.15 mm |
| 7.5 ct | 17.25×10.39 mm |
| 8 ct | 17.61×10.61 mm |
| 8.5 ct | 17.98×10.83 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 18.33×11.04 mm |
| 9.5 ct | 18.66×11.24 mm |
| 10 ct | 18.97×11.43 mm |
| 11 ct | 19.59×11.8 mm |
| 12 ct | 20.17×12.15 mm |
| 13 ct | 20.72×12.48 mm |
| 14 ct | 21.23×12.79 mm |
| 15 ct | 21.73×13.09 mm |
| 16 ct | 22.19×13.37 mm |
| 17 ct | 22.64×13.64 mm |
| 18 ct | 23.09×13.91 mm |
| 19 ct | 23.51×14.16 mm |
| 20 ct | 23.9×14.4 mm |
| 22 ct | 24.68×14.87 mm |
| 24 ct | 25.41×15.31 mm |
| 26 ct | 26.1×15.72 mm |
| 28 ct | 26.74×16.11 mm |
| 30 ct | 27.37×16.49 mm |
| 33 ct | 28.25×17.02 mm |
| 36 ct | 29.08×17.52 mm |
| 40 ct | 30.13×18.15 mm |