The Riva Natural Stone Vessel SinkCarved by time. Refined by hand. This natural form shaped slowly by geological time, then brought into your home through careful, respectful craftsmanship. Hewn from a single piece of natural stone, the Riva Stone Vessel Sink retains a warm, terracotta toned patina raw, textured, and alive with subtle variation while its interior has been meticulously smoothed and polished into a soft, silvery gray surface that feels tactile, cool, and reassuringly