Pear-cut Diopside Size Chart
Carat to mm size chart for pear-cut Diopside, 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:
Diopside Size Chart (Pear Cut)
0.25ct
5.71×3.44 mm
5.71×3.44 mm
0.5ct
7.2×4.34 mm
7.2×4.34 mm
0.75ct
8.23×4.96 mm
8.23×4.96 mm
1ct
9.06×5.46 mm
9.06×5.46 mm
1.25ct
9.76×5.88 mm
9.76×5.88 mm
1.5ct
10.38×6.25 mm
10.38×6.25 mm
1.75ct
10.92×6.58 mm
10.92×6.58 mm
2ct
11.42×6.88 mm
11.42×6.88 mm
2.5ct
12.3×7.41 mm
12.3×7.41 mm
3ct
13.08×7.88 mm
13.08×7.88 mm
3.5ct
13.76×8.29 mm
13.76×8.29 mm
4ct
14.39×8.67 mm
14.39×8.67 mm
4.5ct
14.97×9.02 mm
14.97×9.02 mm
5ct
15.5×9.34 mm
15.5×9.34 mm
5.5ct
16×9.64 mm
16×9.64 mm
6ct
16.48×9.93 mm
16.48×9.93 mm
6.5ct
16.92×10.19 mm
16.92×10.19 mm
7ct
17.35×10.45 mm
17.35×10.45 mm
7.5ct
17.75×10.69 mm
17.75×10.69 mm
8ct
18.13×10.92 mm
18.13×10.92 mm
8.5ct
18.51×11.15 mm
18.51×11.15 mm
9ct
18.86×11.36 mm
18.86×11.36 mm
9.5ct
19.21×11.57 mm
19.21×11.57 mm
10ct
19.54×11.77 mm
19.54×11.77 mm
11ct
20.17×12.15 mm
20.17×12.15 mm
12ct
20.77×12.51 mm
20.77×12.51 mm
13ct
21.31×12.84 mm
21.31×12.84 mm
14ct
21.86×13.17 mm
21.86×13.17 mm
15ct
22.36×13.47 mm
22.36×13.47 mm
16ct
22.84×13.76 mm
22.84×13.76 mm
17ct
23.32×14.05 mm
23.32×14.05 mm
18ct
23.77×14.32 mm
23.77×14.32 mm
19ct
24.2×14.58 mm
24.2×14.58 mm
20ct
24.62×14.83 mm
24.62×14.83 mm
22ct
25.41×15.31 mm
25.41×15.31 mm
24ct
26.16×15.76 mm
26.16×15.76 mm
26ct
26.86×16.18 mm
26.86×16.18 mm
28ct
27.54×16.59 mm
27.54×16.59 mm
30ct
28.17×16.97 mm
28.17×16.97 mm
33ct
29.08×17.52 mm
29.08×17.52 mm
36ct
29.95×18.04 mm
29.95×18.04 mm
40ct
31.01×18.68 mm
31.01×18.68 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 Diopside carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 5.71×3.44 mm |
| 0.5 ct | 7.2×4.34 mm |
| 0.75 ct | 8.23×4.96 mm |
| 1 ct | 9.06×5.46 mm |
| 1.25 ct | 9.76×5.88 mm |
| 1.5 ct | 10.38×6.25 mm |
| 1.75 ct | 10.92×6.58 mm |
| 2 ct | 11.42×6.88 mm |
| 2.5 ct | 12.3×7.41 mm |
| 3 ct | 13.08×7.88 mm |
| 3.5 ct | 13.76×8.29 mm |
| 4 ct | 14.39×8.67 mm |
| 4.5 ct | 14.97×9.02 mm |
| 5 ct | 15.5×9.34 mm |
| 5.5 ct | 16×9.64 mm |
| 6 ct | 16.48×9.93 mm |
| 6.5 ct | 16.92×10.19 mm |
| 7 ct | 17.35×10.45 mm |
| 7.5 ct | 17.75×10.69 mm |
| 8 ct | 18.13×10.92 mm |
| 8.5 ct | 18.51×11.15 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 18.86×11.36 mm |
| 9.5 ct | 19.21×11.57 mm |
| 10 ct | 19.54×11.77 mm |
| 11 ct | 20.17×12.15 mm |
| 12 ct | 20.77×12.51 mm |
| 13 ct | 21.31×12.84 mm |
| 14 ct | 21.86×13.17 mm |
| 15 ct | 22.36×13.47 mm |
| 16 ct | 22.84×13.76 mm |
| 17 ct | 23.32×14.05 mm |
| 18 ct | 23.77×14.32 mm |
| 19 ct | 24.2×14.58 mm |
| 20 ct | 24.62×14.83 mm |
| 22 ct | 25.41×15.31 mm |
| 24 ct | 26.16×15.76 mm |
| 26 ct | 26.86×16.18 mm |
| 28 ct | 27.54×16.59 mm |
| 30 ct | 28.17×16.97 mm |
| 33 ct | 29.08×17.52 mm |
| 36 ct | 29.95×18.04 mm |
| 40 ct | 31.01×18.68 mm |