Wedding ring approx weights for polished court bands

  Shown below are the weights of two finger sizes for each ring, prior to finishing.

Platinum

1.4mm wall
2.0mm 2.8gms/size J 3.3gms/size Q
2.5mm 3.5gms/size J 4.1gms/size Q
3.0mm 4.2gms/size J 4.8gms/size Q
4.0mm 5.2gms/size J 6.0gms/size Q
4.0mm 6.5gms/size U 6.8gms/size X
5.0mm 7.6gms/size S 8.1gms/size W
6.0mm 8.9gms/size R 9.7gms/size V
Platinum 1.6mm wall
2.0mm 3.4gms/size M 3.8gms/size Q
2.5mm 4.1gms/size J 4.7gms/size Q
3.0mm 5.0gms/size J 5.6gms/size Q
4.0mm 6.1gms/size J 7.0gms/size Q
4.0mm 7.7gms/size U 8.1gms/size X
5.0mm 9.0gms/size S 10.0gms/size Z
6.0mm 10.6gms/size R 11.3gms/size V

18ct white

1.4mm wall
2.0mm 2.2gms/size J 2.6gms/size Q
2.5mm 2.7gms/Size J 3.2gms/size Q
3.0mm 3.3gms/size J 3.9gms/size Q
4.0mm 4.1gms/size J 4.8gms/size Q
4.0mm 5.2gms/size U 5.5gms/size X
5.0mm 6.0gms/size S 6.5gms/size W
6.0mm 7.1gms/size R 7.7gms/size V

18ct white

1.6mm wall
2.0mm 2.6gms/size J 3.0gms/size Q
2.5mm 3.2gms/size J 3.7gms/size Q
3.0mm 3.9gms/size J 4.5gms/size Q
4.0mm 4.9gms/size J 6.7gms/size Q
4.0mm 6.1gms/size U 6.5gms/size X
5.0mm 7.1gms/size S 7.7gms/size W
6.0mm 8.4gms/size R 9.1gms/size V
9ct white 1.4mm wall
2.0mm 1.7gms/size J 2.0gms/size Q
2.5mm 2.1gms/size J 2.4gms/size Q
3.0mm 2.5gms/size J 3.0gms/size Q
4.0mm 3.1gms/size J 3.7gms/size Q
4.0mm 4.0gms/size U 4.2gms/size X
5.0mm 4.6gms/size S 4.9gms/size W
6.0mm 5.4gms/size R 5.9gms/size V

9ct white 

1.6mm wall
2.0mm 2.0gms/size J 2.5gms/size Q
2.5mm 2.5gms/size J 2.9gms/size Q
3.0mm 3.0gms/size J 3.5gms/size Q
4.0mm 3.7gms/size J 4.3gms/size Q
4.0mm 4.7gms/size U 5.0gms/size X
5.0mm 5.4gms/size S 5.9gms/size W
6.0mm 6.5gms/size R 7.0gms/size V

18ct yellow

1.4mm wall
2.0mm 2.1gms/size J 2.5gms/size Q
2.5mm 2.7gms/size J 3.1gms/size Q
3.0mm 3.2gms/size J 3.7gms/size Q
4.0mm 4.0gms/size J 4.6gms/size Q
4.0mm 5.0gms/size U 5.2gms/size X
5.0mm 5.8gms/size S 6.2gms/size W
6.0mm 6.8gms/size R 7.4gms/size V

18ct yellow

1.6mm wall
2.0mm 2.6gms/size M 2.9gms/size Q
2.5mm 3.1gms/size J 3.6gms/size Q
3.0mm 3.8gms/size J 4.3gms/size Q
4.0mm 4.7gms/size J 5.4gms/size Q
4.0mm 5.9gms/size U 6.2gms/size X
5.0mm 6.9gms/size S 7.7gms/size Z
6.0mm 8.1gms/size R 8.7gms/size V

9ct yellow

1.4mm wall
2.0mm  1.5gms/size J 1.8gms/size Q
2.5mm 1.9gms/size J 2.2gms/size Q  
3.0mm 2.3gms/size J 2.7gms/size Q
4.0mm 2.8gms/size J 3.4gms/size Q
4.0mm 3.6gms/size U 3.8gms/size X
5.0mm 4.2gms/size S 4.7gms/size Z
6.0mm 5.0gms/size R 5.3gms/size V

9ct yellow

1.6mm wall
2.0mm 1.8gms/size J 2.1gms/size Q
2.5mm 2.2gms/size J 2.6gms/size Q
3.0mm 2.7gms/size J 3.2gms/size Q
4.0mm 3.4gms/size J 4.0gms/size Q
4.0mm 4.2gms/size U 4.5gms/size X
5.0mm 4.9gms/size S 5.6gms/size Z
6.0mm 5.9gms/size R 6.3gms/size V