I see 2013+ ones on Ebay regularly for around $135-150 each. The old 5 spoke ones (17") around $75. Check Craigslist and you might find a good deal
Another option is the steel Mopar Winter wheel or Grand Cherokee steel spare. It's a nice look, but adds 14lbs over the factory wheels. I have the part numbers if you want them.
I am going through the same process with my Conquerer Compact right now. I found some of the all black MOAB wheels that match my Jeep on ebay last week, but had to buy 4 when I only really needed 2. Keep in mind you will likely need wheel spacers because the Jeep wheel hub is very small compared to the cast brake drum.