Diamond Stone Restorations Corp is a local, family-owned company that goes above and beyond on every job. In fact, we're known throughout Astoria, NY and beyond for our exceptional hardwood and marble polishing and refinishing services. With more than a decade of experience, our contractors have what it takes to complete projects of all types and sizes. We can turn your old, worn-out features into exquisite ones that you'll love and your neighbors will admire.