New micro-set ruby engagement ring Europe and the new grandmother green zircon strip

Material: Alloy

Diameter

USA
UK
RU
FR
CA
BR
DE
circumference(mm)
mm
inch

5
J1/2
15.7
49.3
5
15.7
15.7
49.3
15.7
0.62

6
L1/2
16.5
51.9
6
16.5
16.5
51.9
16.5
0.65

7
N1/2(O)
17.3
54.4
7
17.3
17.3
54.4
17.3
0.68

8
P1/2(Q)
18.1
57
8
18.1
18.1
57
18.1
0.71

9
R1/2(S)
18.9
59.5
9
18.9
18.9
59.5
18.9
0.74

10
T1/2
19.8
62.1
10
19.8
19.8
62.1
19.8
0.78

11
V1/2
20.6
64.6
11
20.6
20.6
64.6
20.6
0.81

12
X1/2
21.4
67.2
12
21.4
21.4
67.2
21.4
0.84