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Conceptual rendering of modern kitchen with polished Granite countertops

Polished Granite Countertops

What Are Polished Granite Countertops?

Polished granite countertops are natural stone surfaces made from quarried granite, finished with a high-gloss surface through a multi-stage mechanical grinding and buffing process. Granite ranks 6 to 7 on the Mohs hardness scale, making it one of the hardest, most scratch-resistant natural stones available for residential and commercial use. Polished granite countertops are well suited to both indoor and outdoor applications, are among the most UV-stable natural stones available, and are offered in four surface finishes: polished, honed, leathered, and specialty.

The polished finish reduces the stone's natural surface porosity, helping to create a stain-resistant surface while amplifying its natural color depth and mineral patterns. Each granite slab tends to vary in veining, crystal structure, and color distribution, which means most installations carry a look that is unique to that particular slab. At Nova Tile and Stone, polished granite slabs for countertops are sourced from premium quarries and selected to meet strict standards for structural integrity, surface consistency, and visual quality.

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Why Granite Is a Durable, Long-Term Countertop Investment


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Granite's enduring popularity is rooted in its material performance. At 6 to 7 on the Mohs hardness scale, it is a scratch-resistant natural stone that holds up well against knives, utensils, and everyday kitchen use, and is significantly harder than marble. It is also stain-resistant when properly sealed, as its mineral composition of quartz, feldspar, and mica does not react readily with common household acids, making it more resistant to acid etching than calcium-based stones such as marble, limestone, and travertine.

As an igneous rock formed under extreme heat and pressure, granite is also heat-resistant and can withstand temperatures beyond what typical kitchen cookware produces. That said, repeated direct contact from very hot pans can degrade the surface sealer over time, so using trivets as standard practice is recommended. The polished finish reinforces these properties further by reducing surface porosity, improving resistance to staining from oils, wine, and other common liquids, and making polished granite a practical, lower-maintenance option for kitchen and bathroom use.

Available OptionsIndoor and Outdoor Applications

Available Options

One of the most important, and often overlooked, decisions when selecting granite countertops is the surface finish. Nova Tile and Stone offers granite slabs for custom countertops in four distinct finish options, each suited to different design goals and performance requirements.

  • Polished is the most popular choice, producing a high-gloss, mirror-like surface that amplifies natural color depth and is the most resistant to staining among the four finishes. It is well suited to kitchens and bathrooms where both aesthetics and practicality are priorities. 
  • Honed offers a matte, satin-smooth surface with a quieter, more contemporary feel, though it is more porous than polished and requires sealing every six months. 
  • Leathered is created by running diamond-tipped brushes across a honed surface, producing a subtle tactile texture with a low-to-medium sheen. It hides fingerprints and water marks effectively and requires sealing at a frequency comparable to polished granite. 
  • Specialty finishes, including brushed, sandblasted, and flamed, are designed for specific functional outcomes. Flamed granite, produced by applying intense heat to the surface, creates a highly textured, slip-resistant finish well suited to outdoor and high-traffic applications.

Indoor and Outdoor Applications

Granite is well suited to both indoor and outdoor environments. Indoors, polished granite countertops work well in kitchen installations, bathroom vanities, bar tops, fireplace surrounds, and feature walls. Outdoors, it is commonly used for outdoor kitchen countertops, alfresco dining surfaces, pool coping, and garden feature walls.

Its natural density and low water absorption rate make it resistant to moisture penetration and freeze-thaw cycling. Granite is also among the most UV-stable natural stones available, tending to resist UV-related fading more consistently than engineered quartz composites and many manufactured surfaces. That said, granite may show some degree of color variation after many years of intense direct sun exposure, and applying a UV-resistant penetrating sealer can help slow this process. For outdoor installations, granite varieties with tighter grain structures and lower porosity generally deliver the best weather performance.

Granite Countertop Maintenance and Care

Granite countertops are relatively easy to maintain and can retain their beauty for many years with proper care. Regular cleaning with a soft cloth and a pH-neutral natural stone cleaner is generally sufficient for everyday upkeep. Avoid using harsh chemicals, acidic cleaners, or abrasive pads, as these can damage the surface and dull the finish.

Because granite is a natural stone, periodic sealing is recommended to help protect against moisture absorption and staining. This is especially important for outdoor applications and for honed or leathered finishes, which may be more porous than polished surfaces. Using a penetrating stone sealer helps preserve the countertop’s durability, stain resistance, and overall appearance over time.

Frequently Asked Questions

Polished has a high-gloss, mirror-like surface that provides the strongest stain resistance of the four finishes. Honed offers a matte, satin look with a quieter aesthetic but requires sealing every six months. Leathered has a subtle tactile texture, hides fingerprints and water marks well, and requires sealing at a frequency comparable to polished. Specialty finishes such as flamed, brushed, and sandblasted are designed for specific functional outcomes, with flamed being a popular choice for outdoor and high-traffic surfaces.

Yes, granite is well suited to outdoor use. Its natural density and low water absorption rate make it resistant to moisture, temperature fluctuations, and physical wear, making it a practical choice for outdoor kitchen countertops, pool surrounds, and patio surfaces. Select varieties with tighter grain structures and lower porosity for best results, and apply a penetrating sealer regularly.

Granite is among the more UV-stable natural stones available and tends to resist fading more consistently than engineered quartz and many manufactured surfaces. Some degree of color variation may occur after many years of intense direct sun exposure, particularly in darker slabs, but applying a UV-resistant penetrating sealer can help slow this process.

For high-use indoor kitchens where stain resistance is a priority, a polished finish is generally the best choice. For outdoor areas or spaces where a textured, organic feel is preferred, leathered or specialty finishes may be more appropriate. Viewing full slabs in person at our showroom is recommended, as natural variation means a full slab can look quite different from a small sample.

Yes, finish type affects sealing frequency. Polished granite generally requires sealing once a year, while honed granite needs sealing every six months due to its more open surface. Leathered granite is comparable to polished in sealing frequency, and specialty finishes such as flamed and brushed benefit from more frequent sealing, particularly in outdoor settings.

Browse Polished Granite for Your Next Custom Stone Project

Nova Tile and Stone supplies premium polished granite slabs for custom countertops across a wide range of residential and commercial applications. Whether you are sourcing material for a kitchen renovation, a bathroom vanity, an outdoor kitchen, or a commercial project, our slab inventory is selected to support projects of any scale and design direction.

Our showroom features an extensive selection of full-size granite slabs for countertops, as well as polished marble slabs and other premium natural stone surfaces. Our design specialists are available to help you assess options, answer questions, and guide you through the slab selection process. Visit our showroom today, request a consultation, or browse our online gallery to get started.