What type of necklace with this dress/tunic?

[mm123]

Yet another question from the style challenged here!

I was in Old Navy yesterday, looking for some work tops. I happened to try on this dress/tunic, and was shocked that it actually fit and was somewhat flattering (I’m a different size on top/bottom, so dresses don’t usually fit me properly). I got it in black and burgundy:

https://oldnavy.gapcanada.ca/browse/...xt=Swing+dress

https://oldnavy.gapcanada.ca/browse/...xt=Swing+dress

I work in a very casual environment, so I imagine I’ll usually be wearing it with tights/leggings with tall boots or flats or booties. I’m often sitting on the floor with kids, or on tiny kindergarten chairs, so I will NOT be going bare legs like the models :-).

Most of my sweaters and tops are patterned, so I’ve never bothered with necklaces, and don’t really own any. Because these are so plain, I know they need something, just not sure what kind and what length? Long and dangly, wide and chunky, single strand, multi strand, pendant, no pendant...I really have no idea. I prefer silver to gold toned, if that matters. Not looking to spend a lot.

Would a scarf also be an option in the colder weather? Can I top it with a denim jacket in the Fall?

My work is near an Ardene, and a Banana Republic, but I’m open to any and all suggestions for necklaces to go with this.

https://www.ardene.com/ca/en/necklaces

https://bananarepublic.gap.com/brows...clink=15682852

I know this seems like such a basic question, but I REALLY am clueless when it comes to all things style related!!