Special Order Fine Jewelry by Mark Somers
Graduate Gemologist
| Carat Weight |
Round mm |
Pear mm |
Marquise mm |
Oval mm |
Octagon mm |
Heart mm |
Trillion mm |
Square mm |
| .005 |
1.0 |
|
|
|
|
|
|
|
| .0067 |
1.1 |
|
|
|
|
|
|
|
| .0075 |
1.2 |
|
|
|
|
|
|
|
| .01 |
1.3 |
|
|
|
|
|
|
|
| .012 |
1.4 |
|
|
|
|
|
|
|
| .015 |
1.5 |
|
|
|
|
|
|
|
| .017 |
1.6 |
|
|
|
|
|
|
|
| .02 |
1.7 |
|
|
|
|
|
|
|
| .025 |
1.8 |
|
|
|
|
|
|
|
| .027 |
1.9 |
|
|
|
|
|
|
|
| .03 |
2.0 |
|
|
|
|
|
|
1.5 x 1.5 |
| .035 |
2.1 |
|
2.5 x 1.25 |
|
|
|
|
|
| .04 |
2.2 |
|
3 x 1.5 |
|
|
|
|
1.75 x 1.75 |
| .045 |
2.3 |
|
|
|
|
|
|
|
| .05 |
2.4 |
|
|
|
|
|
|
|
| .06 |
2.5 |
|
3.5 x 1.75 |
|
|
|
|
2 x 2 |
| .065 |
2.6 |
|
|
|
|
|
|
|
| .07 |
2.7 |
|
3.5 x 2 |
|
|
|
|
2.25 x 2.25 |
| .08 |
2.8 |
|
|
|
2.8 x 2.1 |
|
|
|
| .09 |
2.9 |
3 x 2.5 |
4 x 2 |
|
|
|
|
|
| .10 |
3.0 |
|
|
|
|
|
3 x 3 x 3 |
2.5 x 2.5 |
| .11 |
3.1 |
|
4.25 x 2.25 |
|
|
|
|
|
| .12 |
3.2 |
4 x 2.5 |
|
|
3.3 x 2.5 |
3 x 3 |
|
|
| .14 |
3.3 |
4 x 3 |
4.5 x 2.5 |
|
|
|
3.5 x 3.5 x 3.5 |
2.75 x 2.75 |
| .15 |
3.4 |
|
5 x 2.5 |
|
3.5 x 2.6 |
|
|
|
| .16 |
3.5 |
4.5 x 3 |
|
|
|
|
|
|
| .17 |
3.6 |
|
|
|
|
|
|
3 x 3 |
| .18 |
3.7 |
|
|
|
|
|
4 x 4 x 4 |
|
| .20 |
3.8 |
5 x 3 |
5 x 3 |
4 x 3 |
3.9 x 2.9 |
3.5 x 3.5 |
|
3.25 x 3.25 |
| .22 |
3.9 |
|
|
|
|
|
|
|
| .23 |
4.0 |
|
|
|
|
|
|
3.5 x 3.5 |
| .25 |
4.1 |
|
6 x 3 |
5 x 3 |
4.2 x 3.1 |
4 x 4 |
4.5 x 4.5 x 4.5 |
|
| .30 |
4.2 |
5.5 x 3.5 |
6 x 3.5 |
|
|
|
|
3.75 x 3.75 |
| .33 |
4.4 |
|
|
|
5 x 3 |
|
5 x 5 x 5 |
|
| .38 |
4.6 |
|
7 x 3.5 |
5 x 4 |
|
4.5 x 4.5 |
|
|
| .40 |
4.8 |
|
|
|
|
|
5.5 x 5.5 x 5.5 |
4 x 4 |
| .47 |
5.0 |
|
|
|
|
|
|
|
| .50 |
5.2 |
6 x 4 |
8 x 4 |
6 x 4 |
5.2 x 3.9 |
5 x 5 |
|
4.5 x 4.5 |
| .60 |
5.4 |
|
|
|
|
|
|
|
| .65 |
5.6 |
|
|
|
5.5 x 5.5 |
|
|
|
| .75 |
5.8 |
7 x 5 |
9 x 4.5 |
|
6 x 4 |
6 x 6 |
|
5 x 5 |
| .80 |
6.0 |
|
|
|
6 x 4.5 |
|
|
|
| .95 |
6.4 |
|
|
|
|
|
|
|
| 1.0 |
6.5 |
8 x 5 |
10 x 5 |
7 x 5 |
7 x 5 |
6.5 x 6.5 |
7 x 7 x 7 |
5.5 x 5.5 |
| 1.1 |
6.6 |
|
|
|
|
|
|
|
| 1.17 |
6.8 |
|
|
|
|
|
|
|
| 1.25 |
7.0 |
|
|
7.5 x 5.5 |
|
|
8 x 8 x 8 |
6 x 6 |
| 1.33 |
7.2 |
|
|
|
|
|
|
|
| 1.5 |
7.4 |
9 x 6 |
11 x 5.5 |
8 x 6 |
8 x 6 |
7 x 7 |
9 x 9 x 9 |
6.5 x 6.5 |
| 1.6 |
7.6 |
|
|
|
|
|
|
|
| 1.75 |
7.8 |
|
|
|
|
|
|
|
| 1.9 |
8.0 |
|
|
|
|
|
|
|
| 2.0 |
8.2 |
10 x 7 |
12 x 6 |
8.5 x 6.5 |
8.5 x 6.5 |
8 x 8 |
10 x 10 x 10 |
7.5 x 7.5 |
| 2.15 |
8.4 |
|
|
|
|
|
|
|
| 2.25 |
8.6 |
|
|
|
|
|
|
|
| 2.5 |
8.8 |
12 x 7 |
13 x 6.5 |
9 x 7 |
9 x 7 |
8.5 x 8.5 |
|
8 x 8 |
| 2.85 |
9.2 |
|
|
|
|
|
|
|
| 3.0 |
9.4 |
12 x 8 |
14 x 7 |
10 x 8 |
10 x 8 |
9 x 9 |
|
8.5 x 8.5 |
| 3.15 |
9.6 |
|
|
|
|
|
|
|
| 3.35 |
9.8 |
|
|
|
|
|
|
|
| 3.5 |
10.0 |
13 x 8 |
14 x 7.5 |
10 x 8.5 |
|
9.5 x 9.5 |
|
|
| 3.75 |
10.2 |
|
|
|
|
|
|
|
| 4.0 |
10.4 |
14 x 8 |
16 x 8 |
11 x 9 |
11 x 9 |
10 x 10 |
|
9 x 9 |
| 4.25 |
10.6 |
|
|
|
|
|
|
|
| 4.5 |
10.8 |
14.5 x 9 |
|
11 x 9.5 |
|
10.5 x 10.5 |
|
|
| 4.75 |
11.0 |
|
|
|
|
|
|
|
| 5.0 |
11.2 |
15 x 9 |
16 x 8.5 |
12 x 10 |
12 x 10 |
11 x 11 |
|
9.5 x 9.5 |