Baguette-cut Diamond Size Chart
Carat to mm size chart for baguette-cut Diamond, 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:
Diamond Size Chart (Baguette Cut)
0.25ct
4.56×3.04 mm
4.56×3.04 mm
0.5ct
5.75×3.83 mm
5.75×3.83 mm
0.75ct
6.57×4.38 mm
6.57×4.38 mm
1ct
7.23×4.82 mm
7.23×4.82 mm
1.25ct
7.79×5.19 mm
7.79×5.19 mm
1.5ct
8.28×5.52 mm
8.28×5.52 mm
1.75ct
8.72×5.81 mm
8.72×5.81 mm
2ct
9.11×6.07 mm
9.11×6.07 mm
2.5ct
9.81×6.54 mm
9.81×6.54 mm
3ct
10.43×6.95 mm
10.43×6.95 mm
3.5ct
10.98×7.32 mm
10.98×7.32 mm
4ct
11.48×7.65 mm
11.48×7.65 mm
4.5ct
11.94×7.96 mm
11.94×7.96 mm
5ct
12.36×8.24 mm
12.36×8.24 mm
5.5ct
12.77×8.51 mm
12.77×8.51 mm
6ct
13.14×8.76 mm
13.14×8.76 mm
6.5ct
13.5×9 mm
13.5×9 mm
7ct
13.83×9.22 mm
13.83×9.22 mm
7.5ct
14.16×9.44 mm
14.16×9.44 mm
8ct
14.46×9.64 mm
14.46×9.64 mm
8.5ct
14.76×9.84 mm
14.76×9.84 mm
9ct
15.05×10.03 mm
15.05×10.03 mm
9.5ct
15.32×10.21 mm
15.32×10.21 mm
10ct
15.59×10.39 mm
15.59×10.39 mm
11ct
16.08×10.72 mm
16.08×10.72 mm
12ct
16.56×11.04 mm
16.56×11.04 mm
13ct
17.01×11.34 mm
17.01×11.34 mm
14ct
17.43×11.62 mm
17.43×11.62 mm
15ct
17.84×11.89 mm
17.84×11.89 mm
16ct
18.23×12.15 mm
18.23×12.15 mm
17ct
18.6×12.4 mm
18.6×12.4 mm
18ct
18.96×12.64 mm
18.96×12.64 mm
19ct
19.31×12.87 mm
19.31×12.87 mm
20ct
19.64×13.09 mm
19.64×13.09 mm
22ct
20.27×13.51 mm
20.27×13.51 mm
24ct
20.87×13.91 mm
20.87×13.91 mm
26ct
21.42×14.28 mm
21.42×14.28 mm
28ct
21.96×14.64 mm
21.96×14.64 mm
30ct
22.47×14.98 mm
22.47×14.98 mm
33ct
23.19×15.46 mm
23.19×15.46 mm
36ct
23.88×15.92 mm
23.88×15.92 mm
40ct
24.74×16.49 mm
24.74×16.49 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 baguette-cut Diamond carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 4.56×3.04 mm |
| 0.5 ct | 5.75×3.83 mm |
| 0.75 ct | 6.57×4.38 mm |
| 1 ct | 7.23×4.82 mm |
| 1.25 ct | 7.79×5.19 mm |
| 1.5 ct | 8.28×5.52 mm |
| 1.75 ct | 8.72×5.81 mm |
| 2 ct | 9.11×6.07 mm |
| 2.5 ct | 9.81×6.54 mm |
| 3 ct | 10.43×6.95 mm |
| 3.5 ct | 10.98×7.32 mm |
| 4 ct | 11.48×7.65 mm |
| 4.5 ct | 11.94×7.96 mm |
| 5 ct | 12.36×8.24 mm |
| 5.5 ct | 12.77×8.51 mm |
| 6 ct | 13.14×8.76 mm |
| 6.5 ct | 13.5×9 mm |
| 7 ct | 13.83×9.22 mm |
| 7.5 ct | 14.16×9.44 mm |
| 8 ct | 14.46×9.64 mm |
| 8.5 ct | 14.76×9.84 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 15.05×10.03 mm |
| 9.5 ct | 15.32×10.21 mm |
| 10 ct | 15.59×10.39 mm |
| 11 ct | 16.08×10.72 mm |
| 12 ct | 16.56×11.04 mm |
| 13 ct | 17.01×11.34 mm |
| 14 ct | 17.43×11.62 mm |
| 15 ct | 17.84×11.89 mm |
| 16 ct | 18.23×12.15 mm |
| 17 ct | 18.6×12.4 mm |
| 18 ct | 18.96×12.64 mm |
| 19 ct | 19.31×12.87 mm |
| 20 ct | 19.64×13.09 mm |
| 22 ct | 20.27×13.51 mm |
| 24 ct | 20.87×13.91 mm |
| 26 ct | 21.42×14.28 mm |
| 28 ct | 21.96×14.64 mm |
| 30 ct | 22.47×14.98 mm |
| 33 ct | 23.19×15.46 mm |
| 36 ct | 23.88×15.92 mm |
| 40 ct | 24.74×16.49 mm |