Oval-cut Kyanite Size Chart
Carat to mm size chart for oval-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 (Oval Cut)
0.25ct
4.97×3.31 mm
4.97×3.31 mm
0.5ct
6.26×4.17 mm
6.26×4.17 mm
0.75ct
7.16×4.77 mm
7.16×4.77 mm
1ct
7.89×5.26 mm
7.89×5.26 mm
1.25ct
8.49×5.66 mm
8.49×5.66 mm
1.5ct
9.03×6.02 mm
9.03×6.02 mm
1.75ct
9.5×6.33 mm
9.5×6.33 mm
2ct
9.93×6.62 mm
9.93×6.62 mm
2.5ct
10.7×7.13 mm
10.7×7.13 mm
3ct
11.37×7.58 mm
11.37×7.58 mm
3.5ct
11.97×7.98 mm
11.97×7.98 mm
4ct
12.51×8.34 mm
12.51×8.34 mm
4.5ct
13.02×8.68 mm
13.02×8.68 mm
5ct
13.49×8.99 mm
13.49×8.99 mm
5.5ct
13.92×9.28 mm
13.92×9.28 mm
6ct
14.33×9.55 mm
14.33×9.55 mm
6.5ct
14.72×9.81 mm
14.72×9.81 mm
7ct
15.08×10.05 mm
15.08×10.05 mm
7.5ct
15.44×10.29 mm
15.44×10.29 mm
8ct
15.77×10.51 mm
15.77×10.51 mm
8.5ct
16.1×10.73 mm
16.1×10.73 mm
9ct
16.4×10.93 mm
16.4×10.93 mm
9.5ct
16.7×11.13 mm
16.7×11.13 mm
10ct
16.98×11.32 mm
16.98×11.32 mm
11ct
17.54×11.69 mm
17.54×11.69 mm
12ct
18.05×12.03 mm
18.05×12.03 mm
13ct
18.54×12.36 mm
18.54×12.36 mm
14ct
19.01×12.67 mm
19.01×12.67 mm
15ct
19.44×12.96 mm
19.44×12.96 mm
16ct
19.86×13.24 mm
19.86×13.24 mm
17ct
20.27×13.51 mm
20.27×13.51 mm
18ct
20.66×13.77 mm
20.66×13.77 mm
19ct
21.03×14.02 mm
21.03×14.02 mm
20ct
21.41×14.27 mm
21.41×14.27 mm
22ct
22.1×14.73 mm
22.1×14.73 mm
24ct
22.74×15.16 mm
22.74×15.16 mm
26ct
23.36×15.57 mm
23.36×15.57 mm
28ct
23.94×15.96 mm
23.94×15.96 mm
30ct
24.5×16.33 mm
24.5×16.33 mm
33ct
25.29×16.86 mm
25.29×16.86 mm
36ct
26.03×17.35 mm
26.03×17.35 mm
40ct
26.96×17.97 mm
26.96×17.97 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 oval-cut Kyanite carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 4.97×3.31 mm |
| 0.5 ct | 6.26×4.17 mm |
| 0.75 ct | 7.16×4.77 mm |
| 1 ct | 7.89×5.26 mm |
| 1.25 ct | 8.49×5.66 mm |
| 1.5 ct | 9.03×6.02 mm |
| 1.75 ct | 9.5×6.33 mm |
| 2 ct | 9.93×6.62 mm |
| 2.5 ct | 10.7×7.13 mm |
| 3 ct | 11.37×7.58 mm |
| 3.5 ct | 11.97×7.98 mm |
| 4 ct | 12.51×8.34 mm |
| 4.5 ct | 13.02×8.68 mm |
| 5 ct | 13.49×8.99 mm |
| 5.5 ct | 13.92×9.28 mm |
| 6 ct | 14.33×9.55 mm |
| 6.5 ct | 14.72×9.81 mm |
| 7 ct | 15.08×10.05 mm |
| 7.5 ct | 15.44×10.29 mm |
| 8 ct | 15.77×10.51 mm |
| 8.5 ct | 16.1×10.73 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 16.4×10.93 mm |
| 9.5 ct | 16.7×11.13 mm |
| 10 ct | 16.98×11.32 mm |
| 11 ct | 17.54×11.69 mm |
| 12 ct | 18.05×12.03 mm |
| 13 ct | 18.54×12.36 mm |
| 14 ct | 19.01×12.67 mm |
| 15 ct | 19.44×12.96 mm |
| 16 ct | 19.86×13.24 mm |
| 17 ct | 20.27×13.51 mm |
| 18 ct | 20.66×13.77 mm |
| 19 ct | 21.03×14.02 mm |
| 20 ct | 21.41×14.27 mm |
| 22 ct | 22.1×14.73 mm |
| 24 ct | 22.74×15.16 mm |
| 26 ct | 23.36×15.57 mm |
| 28 ct | 23.94×15.96 mm |
| 30 ct | 24.5×16.33 mm |
| 33 ct | 25.29×16.86 mm |
| 36 ct | 26.03×17.35 mm |
| 40 ct | 26.96×17.97 mm |