Nicolock R- BEL BS Belvedere Wall Bluestone allows you to enhance any landscape or hardscape with a long-lasting organic look. The six different sizes and shapes of the Belvedere wall stones mimic the irregular look of genuine quarry stones, but at a lower price point. Because of our precise engineering, the stones fit perfectly together and are remarkably durable. Our dynamic Belvedere Wall System is fast to install as freestanding or retaining walls.