I had mine made byThe Sporran Shop Perth and highly recommend them. Beautifully made and very reasonable for the whole outfit. They came up with a few things other shops didn’t, like pleat sizing, and where the pleats are folded to pick out a certain colour in the tartan
As far as tartans go, you need to have a look through different sample books as all tartans vary slightly from manufacturer to manufacturer. There are also different versions of each tartan such as hunting, ancient, dress, muted etc.
A grey Argyll jacket will look smart, but also consider a black one which is OK for both daywear and evening