Too bad I'm not wearing my 13 mm bangle to show you because it is very flat. The Sales lady warned me to be more careful with it. Your bangle does not look quite as flat so it should be ok. It is a matter of preference. I think this bangle you are thinking about is very pretty and has a pinkish tinge to it in some lighting. Do you like that it is flatter? I like more of a dome but again it's preference. It looks great on whoever is wearing it in the pics. Not too wide at all.
Ah you hit the nail on the head. I don't have any d shaped bangles and was worried about the durability of this flatter one since it's a. It less than 5mm thick. I was planning on wearing this very frequently.