Necklaces can be perfectly paired with dresses. You can go big or small and still look great. Don’t shy away from doing your research; a nice statement necklace can be a serious investment piece.
It doesn’t have to be gemstones! There are many more casual necklaces that will go great with a day dress, you just have to wear your necklaces confidently.
Keep it simple. Although elaborate necklace designs have their time a place, minimalist designs can be equally dashing if comboed correctly.