Me too! I, also, won't own a cheap holster because it just never turns out to be worth it and, usually sooner rather than later, ends up being thrown into the, 'holster barrel'.
Anyway, just so you know what one of the best holsters in the world for any Glock is, here's what a lot of people consider to be the, 'gold standard' for Model 19 concealed carry:
Kramer Handgun Leather, IWB #3. Kramer Handgun Leather