I have to go into Chicago a lot, so in an effort to stay legal I've piled up a bunch of <2.5" options over the years. I used to just carry whatever, but after having one of my customer's employees get railroaded by Chicago police for having a Leatherman in his backpack I decided to quit taking the unnecessary (and very real, however improbable) risk of running into a cop that wanted an excuse to jam me up.
My most carried are the Spyderco Cat, Olamic Busker, Cold Steel Tuff Lite and recently the Bestech Goblin (the knife that hilariously ended my "don't buy any knives in 2018" New Year's resolution a few days into the year).
I have piles of small Spyderco knives, and the Cat with custom scales added to it is my favorite, though if I was buying another knife that size from Spyderco today I'd have to try the Lil Native, it looks like it would be very nice. My Cat looks like this:
The Tuff Lite is cheap, plastic, and an absolute beast in use. IMO it soundly spanks all of my small Spydies when it comes to actual use, though it's not the prettiest thing and I always sand off all the rough edges on the plastic handles and break the edges of the spine with a file when I get a new one. These things are a hell of a knife, budget considered or not:
If you want a gorgeous small knife with a million options and don't mind spending for it, I couldn't recommend the Olamic Busker more. I love mine, and it's a fun knife to fondle. That said, the finger choil at the start of the blade/pivot area of the handle is not nearly so pronounced as on some other knives this size which IMO makes this knife prettier, but I suppose also potentially slightly less safe to use with a full four finger grip. I use mine all the time and have never cut myself, but if you're looking for a deep half-circle index finger choil you won't find it on the Busker. Mine looks like this: