The Electra Loft bikes and the Public C series bikes also tick most of the OP's boxes. Base models are a little over $500 though, and go up for an internally geared hub.
https://electra.trekbikes.com/us/en_...olorCode=green
https://publicbikes.com/collections/...ucts/public-c7

The Breezers in an earlier post sure look nice too.