About Pietro Stoneware. Pietro Stoneware range of beautiful garden accessories with unique designs bring a whole new dimension to indoor and outdoor decor. Pietro Stoneware, GFRC Garden Decor Manufacturer Please note: You are currently browsing img charming garden obelisks and ideas for spectacular garden that is 600x907px in size. This image is listed in garden decor manufacturers category. Pietro Stoneware, GFRC Garden Decor Manufacturer, 600x907 in 545.67 KB.