Pear-cut Diamond Size Chart
Carat to mm size chart for pear-cut Diamond, 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:
Diamond Size Chart (Pear Cut)
0.25ct
5.69×3.43 mm
5.69×3.43 mm
0.5ct
7.19×4.33 mm
7.19×4.33 mm
0.75ct
8.22×4.95 mm
8.22×4.95 mm
1ct
9.05×5.45 mm
9.05×5.45 mm
1.25ct
9.74×5.87 mm
9.74×5.87 mm
1.5ct
10.36×6.24 mm
10.36×6.24 mm
1.75ct
10.91×6.57 mm
10.91×6.57 mm
2ct
11.4×6.87 mm
11.4×6.87 mm
2.5ct
12.28×7.4 mm
12.28×7.4 mm
3ct
13.05×7.86 mm
13.05×7.86 mm
3.5ct
13.73×8.27 mm
13.73×8.27 mm
4ct
14.36×8.65 mm
14.36×8.65 mm
4.5ct
14.94×9 mm
14.94×9 mm
5ct
15.47×9.32 mm
15.47×9.32 mm
5.5ct
15.97×9.62 mm
15.97×9.62 mm
6ct
16.43×9.9 mm
16.43×9.9 mm
6.5ct
16.88×10.17 mm
16.88×10.17 mm
7ct
17.31×10.43 mm
17.31×10.43 mm
7.5ct
17.71×10.67 mm
17.71×10.67 mm
8ct
18.09×10.9 mm
18.09×10.9 mm
8.5ct
18.46×11.12 mm
18.46×11.12 mm
9ct
18.82×11.34 mm
18.82×11.34 mm
9.5ct
19.16×11.54 mm
19.16×11.54 mm
10ct
19.49×11.74 mm
19.49×11.74 mm
11ct
20.12×12.12 mm
20.12×12.12 mm
12ct
20.72×12.48 mm
20.72×12.48 mm
13ct
21.28×12.82 mm
21.28×12.82 mm
14ct
21.81×13.14 mm
21.81×13.14 mm
15ct
22.31×13.44 mm
22.31×13.44 mm
16ct
22.79×13.73 mm
22.79×13.73 mm
17ct
23.26×14.01 mm
23.26×14.01 mm
18ct
23.7×14.28 mm
23.7×14.28 mm
19ct
24.14×14.54 mm
24.14×14.54 mm
20ct
24.55×14.79 mm
24.55×14.79 mm
22ct
25.35×15.27 mm
25.35×15.27 mm
24ct
26.1×15.72 mm
26.1×15.72 mm
26ct
26.81×16.15 mm
26.81×16.15 mm
28ct
27.47×16.55 mm
27.47×16.55 mm
30ct
28.1×16.93 mm
28.1×16.93 mm
33ct
29.02×17.48 mm
29.02×17.48 mm
36ct
29.88×18 mm
29.88×18 mm
40ct
30.94×18.64 mm
30.94×18.64 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 Diamond carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 5.69×3.43 mm |
| 0.5 ct | 7.19×4.33 mm |
| 0.75 ct | 8.22×4.95 mm |
| 1 ct | 9.05×5.45 mm |
| 1.25 ct | 9.74×5.87 mm |
| 1.5 ct | 10.36×6.24 mm |
| 1.75 ct | 10.91×6.57 mm |
| 2 ct | 11.4×6.87 mm |
| 2.5 ct | 12.28×7.4 mm |
| 3 ct | 13.05×7.86 mm |
| 3.5 ct | 13.73×8.27 mm |
| 4 ct | 14.36×8.65 mm |
| 4.5 ct | 14.94×9 mm |
| 5 ct | 15.47×9.32 mm |
| 5.5 ct | 15.97×9.62 mm |
| 6 ct | 16.43×9.9 mm |
| 6.5 ct | 16.88×10.17 mm |
| 7 ct | 17.31×10.43 mm |
| 7.5 ct | 17.71×10.67 mm |
| 8 ct | 18.09×10.9 mm |
| 8.5 ct | 18.46×11.12 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 18.82×11.34 mm |
| 9.5 ct | 19.16×11.54 mm |
| 10 ct | 19.49×11.74 mm |
| 11 ct | 20.12×12.12 mm |
| 12 ct | 20.72×12.48 mm |
| 13 ct | 21.28×12.82 mm |
| 14 ct | 21.81×13.14 mm |
| 15 ct | 22.31×13.44 mm |
| 16 ct | 22.79×13.73 mm |
| 17 ct | 23.26×14.01 mm |
| 18 ct | 23.7×14.28 mm |
| 19 ct | 24.14×14.54 mm |
| 20 ct | 24.55×14.79 mm |
| 22 ct | 25.35×15.27 mm |
| 24 ct | 26.1×15.72 mm |
| 26 ct | 26.81×16.15 mm |
| 28 ct | 27.47×16.55 mm |
| 30 ct | 28.1×16.93 mm |
| 33 ct | 29.02×17.48 mm |
| 36 ct | 29.88×18 mm |
| 40 ct | 30.94×18.64 mm |