Marquise-cut Almandine Size Chart
Carat to mm size chart for marquise-cut Almandine, from 0.25ct to 40ct (at an L/W ratio of 2). 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:
Almandine Size Chart (Marquise Cut)
0.25ct
6.1×3.05 mm
6.1×3.05 mm
0.5ct
7.68×3.84 mm
7.68×3.84 mm
0.75ct
8.8×4.4 mm
8.8×4.4 mm
1ct
9.68×4.84 mm
9.68×4.84 mm
1.25ct
10.44×5.22 mm
10.44×5.22 mm
1.5ct
11.08×5.54 mm
11.08×5.54 mm
1.75ct
11.66×5.83 mm
11.66×5.83 mm
2ct
12.2×6.1 mm
12.2×6.1 mm
2.5ct
13.14×6.57 mm
13.14×6.57 mm
3ct
13.96×6.98 mm
13.96×6.98 mm
3.5ct
14.7×7.35 mm
14.7×7.35 mm
4ct
15.38×7.69 mm
15.38×7.69 mm
4.5ct
15.98×7.99 mm
15.98×7.99 mm
5ct
16.56×8.28 mm
16.56×8.28 mm
5.5ct
17.1×8.55 mm
17.1×8.55 mm
6ct
17.6×8.8 mm
17.6×8.8 mm
6.5ct
18.08×9.04 mm
18.08×9.04 mm
7ct
18.52×9.26 mm
18.52×9.26 mm
7.5ct
18.96×9.48 mm
18.96×9.48 mm
8ct
19.36×9.68 mm
19.36×9.68 mm
8.5ct
19.76×9.88 mm
19.76×9.88 mm
9ct
20.14×10.07 mm
20.14×10.07 mm
9.5ct
20.5×10.25 mm
20.5×10.25 mm
10ct
20.86×10.43 mm
20.86×10.43 mm
11ct
21.54×10.77 mm
21.54×10.77 mm
12ct
22.16×11.08 mm
22.16×11.08 mm
13ct
22.76×11.38 mm
22.76×11.38 mm
14ct
23.34×11.67 mm
23.34×11.67 mm
15ct
23.88×11.94 mm
23.88×11.94 mm
16ct
24.4×12.2 mm
24.4×12.2 mm
17ct
24.9×12.45 mm
24.9×12.45 mm
18ct
25.38×12.69 mm
25.38×12.69 mm
19ct
25.84×12.92 mm
25.84×12.92 mm
20ct
26.28×13.14 mm
26.28×13.14 mm
22ct
27.14×13.57 mm
27.14×13.57 mm
24ct
27.92×13.96 mm
27.92×13.96 mm
26ct
28.68×14.34 mm
28.68×14.34 mm
28ct
29.4×14.7 mm
29.4×14.7 mm
30ct
30.08×15.04 mm
30.08×15.04 mm
33ct
31.06×15.53 mm
31.06×15.53 mm
36ct
31.98×15.99 mm
31.98×15.99 mm
40ct
33.12×16.56 mm
33.12×16.56 mm
Length-to-width ratio: 2, 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 marquise-cut Almandine carat weights to their approximate millimeter (mm) sizes:
| Carat Weight | MM Size |
|---|---|
| 0.25 ct | 6.1×3.05 mm |
| 0.5 ct | 7.68×3.84 mm |
| 0.75 ct | 8.8×4.4 mm |
| 1 ct | 9.68×4.84 mm |
| 1.25 ct | 10.44×5.22 mm |
| 1.5 ct | 11.08×5.54 mm |
| 1.75 ct | 11.66×5.83 mm |
| 2 ct | 12.2×6.1 mm |
| 2.5 ct | 13.14×6.57 mm |
| 3 ct | 13.96×6.98 mm |
| 3.5 ct | 14.7×7.35 mm |
| 4 ct | 15.38×7.69 mm |
| 4.5 ct | 15.98×7.99 mm |
| 5 ct | 16.56×8.28 mm |
| 5.5 ct | 17.1×8.55 mm |
| 6 ct | 17.6×8.8 mm |
| 6.5 ct | 18.08×9.04 mm |
| 7 ct | 18.52×9.26 mm |
| 7.5 ct | 18.96×9.48 mm |
| 8 ct | 19.36×9.68 mm |
| 8.5 ct | 19.76×9.88 mm |
| Carat Weight | MM Size |
|---|---|
| 9 ct | 20.14×10.07 mm |
| 9.5 ct | 20.5×10.25 mm |
| 10 ct | 20.86×10.43 mm |
| 11 ct | 21.54×10.77 mm |
| 12 ct | 22.16×11.08 mm |
| 13 ct | 22.76×11.38 mm |
| 14 ct | 23.34×11.67 mm |
| 15 ct | 23.88×11.94 mm |
| 16 ct | 24.4×12.2 mm |
| 17 ct | 24.9×12.45 mm |
| 18 ct | 25.38×12.69 mm |
| 19 ct | 25.84×12.92 mm |
| 20 ct | 26.28×13.14 mm |
| 22 ct | 27.14×13.57 mm |
| 24 ct | 27.92×13.96 mm |
| 26 ct | 28.68×14.34 mm |
| 28 ct | 29.4×14.7 mm |
| 30 ct | 30.08×15.04 mm |
| 33 ct | 31.06×15.53 mm |
| 36 ct | 31.98×15.99 mm |
| 40 ct | 33.12×16.56 mm |