Emerald-cut Benitoite Size Chart
Carat to mm size chart for emerald-cut Benitoite, from 0.25ct to 40ct (at an L/W ratio of 1.35). 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:
Benitoite Size Chart (Emerald Cut)
0.25ct
4.14×3.07 mm
4.14×3.07 mm
0.5ct
5.22×3.87 mm
5.22×3.87 mm
0.75ct
5.98×4.43 mm
5.98×4.43 mm
1ct
6.59×4.88 mm
6.59×4.88 mm
1.25ct
7.09×5.25 mm
7.09×5.25 mm
1.5ct
7.53×5.58 mm
7.53×5.58 mm
1.75ct
7.94×5.88 mm
7.94×5.88 mm
2ct
8.29×6.14 mm
8.29×6.14 mm
2.5ct
8.94×6.62 mm
8.94×6.62 mm
3ct
9.49×7.03 mm
9.49×7.03 mm
3.5ct
9.99×7.4 mm
9.99×7.4 mm
4ct
10.45×7.74 mm
10.45×7.74 mm
4.5ct
10.87×8.05 mm
10.87×8.05 mm
5ct
11.26×8.34 mm
11.26×8.34 mm
5.5ct
11.62×8.61 mm
11.62×8.61 mm
6ct
11.96×8.86 mm
11.96×8.86 mm
6.5ct
12.29×9.1 mm
12.29×9.1 mm
7ct
12.6×9.33 mm
12.6×9.33 mm
7.5ct
12.89×9.55 mm
12.89×9.55 mm
8ct
13.16×9.75 mm
13.16×9.75 mm
8.5ct
13.43×9.95 mm
13.43×9.95 mm
9ct
13.69×10.14 mm
13.69×10.14 mm
9.5ct
13.95×10.33 mm
13.95×10.33 mm
10ct
14.19×10.51 mm
14.19×10.51 mm
11ct
14.65×10.85 mm
14.65×10.85 mm
12ct
15.07×11.16 mm
15.07×11.16 mm
13ct
15.48×11.47 mm
15.48×11.47 mm
14ct
15.86×11.75 mm
15.86×11.75 mm
15ct
16.24×12.03 mm
16.24×12.03 mm
16ct
16.59×12.29 mm
16.59×12.29 mm
17ct
16.93×12.54 mm
16.93×12.54 mm
18ct
17.25×12.78 mm
17.25×12.78 mm
19ct
17.56×13.01 mm
17.56×13.01 mm
20ct
17.87×13.24 mm
17.87×13.24 mm
22ct
18.44×13.66 mm
18.44×13.66 mm
24ct
18.99×14.07 mm
18.99×14.07 mm
26ct
19.51×14.45 mm
19.51×14.45 mm
28ct
19.99×14.81 mm
19.99×14.81 mm
30ct
20.45×15.15 mm
20.45×15.15 mm
33ct
21.11×15.64 mm
21.11×15.64 mm
36ct
21.74×16.1 mm
21.74×16.1 mm
40ct
22.52×16.68 mm
22.52×16.68 mm
Length-to-width ratio: 1.35, 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 emerald-cut Benitoite carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 4.14×3.07 mm |
| 0.5 ct | 5.22×3.87 mm |
| 0.75 ct | 5.98×4.43 mm |
| 1 ct | 6.59×4.88 mm |
| 1.25 ct | 7.09×5.25 mm |
| 1.5 ct | 7.53×5.58 mm |
| 1.75 ct | 7.94×5.88 mm |
| 2 ct | 8.29×6.14 mm |
| 2.5 ct | 8.94×6.62 mm |
| 3 ct | 9.49×7.03 mm |
| 3.5 ct | 9.99×7.4 mm |
| 4 ct | 10.45×7.74 mm |
| 4.5 ct | 10.87×8.05 mm |
| 5 ct | 11.26×8.34 mm |
| 5.5 ct | 11.62×8.61 mm |
| 6 ct | 11.96×8.86 mm |
| 6.5 ct | 12.29×9.1 mm |
| 7 ct | 12.6×9.33 mm |
| 7.5 ct | 12.89×9.55 mm |
| 8 ct | 13.16×9.75 mm |
| 8.5 ct | 13.43×9.95 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 13.69×10.14 mm |
| 9.5 ct | 13.95×10.33 mm |
| 10 ct | 14.19×10.51 mm |
| 11 ct | 14.65×10.85 mm |
| 12 ct | 15.07×11.16 mm |
| 13 ct | 15.48×11.47 mm |
| 14 ct | 15.86×11.75 mm |
| 15 ct | 16.24×12.03 mm |
| 16 ct | 16.59×12.29 mm |
| 17 ct | 16.93×12.54 mm |
| 18 ct | 17.25×12.78 mm |
| 19 ct | 17.56×13.01 mm |
| 20 ct | 17.87×13.24 mm |
| 22 ct | 18.44×13.66 mm |
| 24 ct | 18.99×14.07 mm |
| 26 ct | 19.51×14.45 mm |
| 28 ct | 19.99×14.81 mm |
| 30 ct | 20.45×15.15 mm |
| 33 ct | 21.11×15.64 mm |
| 36 ct | 21.74×16.1 mm |
| 40 ct | 22.52×16.68 mm |