Special Order Fine Jewelry by Mark Somers

Graduate Gemologist




Finger Size Diameter in millimeters
0.00 11.65
1/2 12.05
1 12.45
1 1/2 12.85
2 13.26
2 1/2 13.70
3 14.08
3 1/2 14.50
4 15.00
4 1/2 15.30
5 15.70
5 1/2 16.50
6 16.60
6 1/2 16.90
7 17.30
7 1/2 17.80
8 18.20
8 1/2 18.55
9 19.00
9 1/2 19.35
10 19.75
10 1/2 20.20
11 20.60
11 1/2 21.00
12 21.45
12 1/2 21.79
13 22.30
13 1/2 22.65
14 23.15
14 1/2 23.50
15 23.90
15 1/2 24.25
16 24.70