Cabochon-cut Kyanite Size Chart
Carat to mm size chart for cabochon-cut Kyanite, 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:
Kyanite Size Chart (Cabochon Cut)
0.25ct
4.44×2.96 mm
4.44×2.96 mm
0.5ct
5.58×3.72 mm
5.58×3.72 mm
0.75ct
6.39×4.26 mm
6.39×4.26 mm
1ct
7.04×4.69 mm
7.04×4.69 mm
1.25ct
7.58×5.05 mm
7.58×5.05 mm
1.5ct
8.06×5.37 mm
8.06×5.37 mm
1.75ct
8.48×5.65 mm
8.48×5.65 mm
2ct
8.87×5.91 mm
8.87×5.91 mm
2.5ct
9.56×6.37 mm
9.56×6.37 mm
3ct
10.16×6.77 mm
10.16×6.77 mm
3.5ct
10.68×7.12 mm
10.68×7.12 mm
4ct
11.18×7.45 mm
11.18×7.45 mm
4.5ct
11.61×7.74 mm
11.61×7.74 mm
5ct
12.03×8.02 mm
12.03×8.02 mm
5.5ct
12.42×8.28 mm
12.42×8.28 mm
6ct
12.78×8.52 mm
12.78×8.52 mm
6.5ct
13.13×8.75 mm
13.13×8.75 mm
7ct
13.46×8.97 mm
13.46×8.97 mm
7.5ct
13.77×9.18 mm
13.77×9.18 mm
8ct
14.07×9.38 mm
14.07×9.38 mm
8.5ct
14.36×9.57 mm
14.36×9.57 mm
9ct
14.64×9.76 mm
14.64×9.76 mm
9.5ct
14.91×9.94 mm
14.91×9.94 mm
10ct
15.17×10.11 mm
15.17×10.11 mm
11ct
15.65×10.43 mm
15.65×10.43 mm
12ct
16.11×10.74 mm
16.11×10.74 mm
13ct
16.55×11.03 mm
16.55×11.03 mm
14ct
16.97×11.31 mm
16.97×11.31 mm
15ct
17.36×11.57 mm
17.36×11.57 mm
16ct
17.73×11.82 mm
17.73×11.82 mm
17ct
18.09×12.06 mm
18.09×12.06 mm
18ct
18.44×12.29 mm
18.44×12.29 mm
19ct
18.78×12.52 mm
18.78×12.52 mm
20ct
19.1×12.73 mm
19.1×12.73 mm
22ct
19.71×13.14 mm
19.71×13.14 mm
24ct
20.3×13.53 mm
20.3×13.53 mm
26ct
20.85×13.9 mm
20.85×13.9 mm
28ct
21.36×14.24 mm
21.36×14.24 mm
30ct
21.87×14.58 mm
21.87×14.58 mm
33ct
22.58×15.05 mm
22.58×15.05 mm
36ct
23.24×15.49 mm
23.24×15.49 mm
40ct
24.06×16.04 mm
24.06×16.04 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 cabochon-cut Kyanite carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 4.44×2.96 mm |
| 0.5 ct | 5.58×3.72 mm |
| 0.75 ct | 6.39×4.26 mm |
| 1 ct | 7.04×4.69 mm |
| 1.25 ct | 7.58×5.05 mm |
| 1.5 ct | 8.06×5.37 mm |
| 1.75 ct | 8.48×5.65 mm |
| 2 ct | 8.87×5.91 mm |
| 2.5 ct | 9.56×6.37 mm |
| 3 ct | 10.16×6.77 mm |
| 3.5 ct | 10.68×7.12 mm |
| 4 ct | 11.18×7.45 mm |
| 4.5 ct | 11.61×7.74 mm |
| 5 ct | 12.03×8.02 mm |
| 5.5 ct | 12.42×8.28 mm |
| 6 ct | 12.78×8.52 mm |
| 6.5 ct | 13.13×8.75 mm |
| 7 ct | 13.46×8.97 mm |
| 7.5 ct | 13.77×9.18 mm |
| 8 ct | 14.07×9.38 mm |
| 8.5 ct | 14.36×9.57 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 14.64×9.76 mm |
| 9.5 ct | 14.91×9.94 mm |
| 10 ct | 15.17×10.11 mm |
| 11 ct | 15.65×10.43 mm |
| 12 ct | 16.11×10.74 mm |
| 13 ct | 16.55×11.03 mm |
| 14 ct | 16.97×11.31 mm |
| 15 ct | 17.36×11.57 mm |
| 16 ct | 17.73×11.82 mm |
| 17 ct | 18.09×12.06 mm |
| 18 ct | 18.44×12.29 mm |
| 19 ct | 18.78×12.52 mm |
| 20 ct | 19.1×12.73 mm |
| 22 ct | 19.71×13.14 mm |
| 24 ct | 20.3×13.53 mm |
| 26 ct | 20.85×13.9 mm |
| 28 ct | 21.36×14.24 mm |
| 30 ct | 21.87×14.58 mm |
| 33 ct | 22.58×15.05 mm |
| 36 ct | 23.24×15.49 mm |
| 40 ct | 24.06×16.04 mm |