Finally I'm done with my cabled cardigan!
The cables run from shoulder to bottom edge and gather in the waist both on front and back.
I chose vintage looking metal buttons to get the right look ;) . There's picot border around all the edges:
As I mentioned in a previous post I had problems with excess shoulder width, so I "cheated" a bit, there's a good 5 cm of the back piece hidden in parts of the side seams: