Yes! Any of the rare exceptions will be explicitly noted in the item’s description. However, handwashing is recommended as it will enhance the longevity of the piece. As with any product in the microwave, use care when removing heated ceramics. Stoneware is even oven safe! The oven’s heat is significantly lower than the temperature to which pots are fired in a kiln. The key to using any stoneware in an oven is to put the dish in a cold oven so that the dish and the oven heat together.
See "How to Care for Ceramics" in the Blog posts.