GR Stone sells, designs, fabricates and installs custom marble countertops. Based in Kenilworth, New Jersey, we service New York, Newark Elizabeth, Union, Summit, and Central New Jersey. We can help you source the best marble slabs for your new marble countertop. Our online catalog is designed to help you find colors you like prior to making a purchase. Our marble slab inventory changes daily so if you are searching for a particular color, please call us to confirm availability or visit our countertop showroom in Kenilworth.