Phillips Collection Gem Wall TilePrice Match Request Find this item cheaper? Send a screenshot and link to info@paynesgray. com. Available in a wide array of stones and configurations, not only are they powerful hung singly, they are a knock out when used to create a mosaic gallery wall configuration. This makes each of these one of a kind, which is why the decorative wall art is designated assorted. Just like a real gem, it is fastened with a brass setting. Glacier Charcoal: 7in W x