Check out our range of Kartell Stone bathroom stools and bedside tables from only $290.00. They come in different colors accents from transparent crystal to smoke to suit your bathroom design needs. This stool is perfect for indoor and outdoor use. It's materials are durable and the diamond cut pattern reflects light from many different angles. It's a fun piece to use for a stool or a side table. Since it comes in three colors you can mix it up and use several of them in one space without being stale. Kartell design Stone Stool on sale. Stone Stool in Crystal by Kartell designed by Marcel Wanders 110% PRICE MATCH. Stardust offers the Kartell Stone Stool and the best in modern design from Kartell with free shipping.