If I was looking for a $1000ish (so maybe an $800-1200) 1911, there are a few manufacturers I'd look to. I won't suggest specific models since this is a pretty general question, and models would differ depending upon what features a buyer wants. Also, for me, I don't carry 1911s anymore or use them for home defense. For a defensive handgun I'd rather not have to use an external safety and rely on a DA first trigger pull or at least a striker fired gun. So, reliability isn't as big a consideration for me as accuracy, fit and finish (and other overall workmanship), looks, etc.
I'd look mainly to three makers, with another honorable mention...
Colt. They are the original so they are more collectible (even just my own pride of ownership of having the 'real deal'), and if you get a good one, they are beautiful guns.
Springfield Armory. I've always liked their 1911s. Great blend of accuracy, beauty and reliability.
Kimber. I know they aren't as good, or as popular, as they were before the Kimber II changes almost 20 years ago. Still, they are some of the prettiest guns in their price range, they are well put together (fit and finish, not necessarily quality control and reliability) and accurate. Since it will never be a defensive gun for me and "just" a range toy, I'm OK with needing to clear a malfunction once or twice in a range session for a very accurate and good looking gun.
Honorable Mention: S&W
I have a 1st gen S&W 1911SC. Love the gun. 100% reliable, very accurate, well made. The finish on the 1st gen leaves a little to be desired, but it doesn't matter. The main reason it is an honorable mention and not on my main list... S&W makes so many other guns that (like many) their 1911s seem like they were just jumping on the 1911 bandwagon when they introduced them (same reason SIG 1911s and the Ruger 1911 aren't on my list either). Colt is the original, Kimber and SA really cut their teeth on 1911s, they are a major part of their lineup even today, and they did as much as Colt (actually more) for the 1911 reawakening a couple decades ago.