In2stone
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Sea Wave Cosmic Granite

Granite

Sea Wave Cosmic

25+ Years Experience
1,500+ Projects Completed
4.9 from 100+ Reviews
Free No-Obligation Quote

Full Service — Installation

Our granite range is available with full supply, templating, fabrication and installation across Portsmouth, Fareham, Gosport, Havant, Waterlooville, Chichester, Southampton and the surrounding area, with our services extending to Hampshire, Sussex, Surrey, Dorset and Berkshire . The reach of our installation service depends on the type of project — contact us to discuss your requirements.

Supply & Fabrication — UK Wide

Outside our installation area? We can fabricate granite to your supplied template, or supply the stone directly as-is — anywhere in the UK . Learn more .

The Stone

See the natural beauty of Sea Wave Cosmic up close — the surface texture, colour depth, and veining that make this granite unique.

Style:

Veined Exotic Polished

Brazilian exotic with bold horizontal grey-white wave veining across a deep charcoal-black polished base.

Sea Wave Cosmic granite is the polished sibling of Sea Wave Cosmic Caress, quarried from the same Brazilian geological formation but finished to a high-gloss polish that maximises the contrast between the dark base and luminous veining. The slab presents a deep charcoal-to-black base with prominent horizontal and undulating veining in pale grey-white and mid-grey, ranging from fine thread-like lines to broader wavy bands and splotchy formations. The lighter veins display a subtle granular texture and sparkling speckling, and the polished finish gives the entire surface a reflective depth.

Where Sea Wave Cosmic Caress incorporates a caressed finish element, the standard Sea Wave Cosmic commits fully to high-gloss polish. This choice amplifies the drama — the dark base becomes deeper and more mirror-like, the lighter veins become more luminous, and the sparkling crystalline inclusions catch light more intensely. The layered horizontal wave pattern creates a sense of geological movement that sweeps across the slab like ocean currents frozen in stone. Performance is standard Brazilian granite: Mohs 6–7 hardness, excellent heat resistance, and the dense igneous composition that ensures long-term durability.

In2Stone recommends Sea Wave Cosmic for clients who want maximum visual impact from a dark veined granite. The polished finish delivers the most dramatic expression of the wave pattern, making it ideal for feature islands and long worktop runs where reflective depth and sweeping movement can be fully appreciated. Pair with simple monochromatic cabinetry to let the stone command the room.

Performance

How This Stone Performs

Hardness

4 out of 5

Stain Resistance

3 out of 5

UV Resistance

5 out of 5

Heat Resistance

5 out of 5

Scratch Resistance

4 out of 5

Interested in Sea Wave Cosmic?

Love this stone?

Get a free, no-obligation quote for Sea Wave Cosmic granite. From template to installation, In2stone handles everything — so you can enjoy your new surface without the stress.

Sea Wave Cosmic Granite slab

Frequently Asked

Questions About Sea Wave Cosmic

What is the difference between Sea Wave Cosmic and Sea Wave Cosmic Caress?
Both come from the same Brazilian geological formation, but Sea Wave Cosmic has a full high-gloss polished finish while Sea Wave Cosmic Caress has a caressed finish — a slightly textured surface that retains some tactile quality. The polished version has higher contrast, more reflective depth, and more visible sparkle. The caressed version is softer, more contemporary, and shows fewer fingerprints.
Is the wave pattern horizontal?
Predominantly horizontal with undulating movement — the veining flows across the slab in layered wave-like bands rather than in random or diagonal directions. This horizontal emphasis creates a sense of calm, sweeping movement that works particularly well on long worktop runs and kitchen islands.
What creates the sparkle in the veins?
The sparkling speckling within the lighter veined areas comes from crystalline mineral inclusions — likely mica or feldspar crystals — that reflect light at different angles. The polished finish maximises this effect, creating a dynamic shimmer that changes subtly as lighting conditions shift.
Where is Sea Wave Cosmic quarried?
Sea Wave Cosmic comes from Brazil, which produces many of the world's most visually dramatic dimension stones. The specific geological conditions that create the layered wave pattern and crystalline sparkle are characteristic of certain Brazilian quarrying regions with complex tectonic and metamorphic histories.
Will the polished finish show fingerprints?
Dark polished granite can show fingerprints and water marks, particularly under directional lighting. The bold veining helps to break these up visually, but regular wiping with a microfibre cloth keeps the surface looking its best. If fingerprints are a significant concern, consider the caressed version.
★★★★★
"We decided to get bespoke granite work tops for our new kitchen and have to say that we are over the moon with them. From the outset, Ian was very professional when selecting the stone, he listened to what we wanted, went through all of the possibilities that we could have for our worktops and went through the process in detail once we had made a decision. The templateing and fitting was carried out by an incredibly professional and helpful team run by Kev, who knew exactly what they were doing and just got on and made my kitchen look amazing. I would highly recommend In2stone for a helpful, knowledgeable and professional service from start to finish."
— Nicky HavardGoogle Review

Why Choose Us

Why In2stone

Invisible Joins & Ogee Edging

The edge profiles and seamless joins other suppliers say they can't do? We do them every week.

"Other quartz suppliers weren't able to offer the ogee edging I wanted — In2stone could."

Olivia Tett

The Quote Is the Price

No hidden costs, no surprises. We consistently beat competitor quotes — even online discounters decline to match us.

"Beat 6 other companies by a mile. Even an online company that claims to beat any quote declined to."

Dean Fitzpatrick

Ian Answers the Phone

No answering machines or sales scripts. You'll speak to the people who'll actually work on your project.

"Ian always answered the phone or called me back — and that was before we even decided to use him."

Carly Rielly