Great location in the Diamond District, walking distance from Centraal train station and pretty much everything else in Antwerp. Sam sent a very thorough instructions on how to check in. The place is clean, cute, and on first floor with a few set of stairs in narrow hallway, which is typical for most places in Europe. Be mindful of that if you have heavy luggages.
It's in a crowded area, so it's bound to be noisy at night, especially on weekends. It felt safe though. Overall, highly recommended for a solo traveler!