In2stone
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Sapien Stone Black Diamond Porcelain

Sapien Stone · Porcelain

Black Diamond

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

Full Service — Installation

Our porcelain 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 porcelain to your supplied template, or supply the stone directly as-is — anywhere in the UK . Learn more .

The Stone

See the natural beauty of Black Diamond up close — the surface texture, colour depth, and veining that make this porcelain unique.

Colour:

Black Grey Brown

A deep, atmospheric dark stone porcelain with warm brown undertones and subtle mineral veining.

Black Diamond conjures a moody, atmospheric depth through its rich charcoal-grey surface punctuated by cloudy lighter patches and fine mineral veining. The base is a deep, complex dark charcoal with warm brown undertones that prevent it from reading as merely grey or black. Patches of lighter grey-brown create soft, cloud-like transitions across the surface, lending an almost weathered quality. Very fine white hairline veins and golden-brown mineral traces thread through the stone, catching light and adding geological authenticity. This is a surface with genuine depth ??? each section reveals different tonal subtleties depending on the light. A sophisticated choice for kitchen islands and feature walls where the warm, layered darkness creates an enveloping, luxurious atmosphere.

Performance

How This Stone Performs

Hardness

7 out of 5

Stain Resistance

5 out of 5

UV Resistance

5 out of 5

Heat Resistance

5 out of 5

Scratch Resistance

5 out of 5

Interested in Black Diamond?

Love this stone?

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

Sapien Stone Black Diamond Porcelain slab

Frequently Asked

Questions About Black Diamond

Is Black Diamond a true black or something more complex?
Black Diamond is more complex than a true black. The deep charcoal-grey base has warm brown undertones and features cloudy lighter patches, creating a surface with atmospheric depth and tonal variation rather than a flat, uniform black. Fine mineral veining adds further geological detail.
What makes Black Diamond different from Basalt Black or Noir?
Black Diamond has the most visual complexity of the three dark surfaces. Where Noir is a warm, plain near-black and Basalt Black has subtle volcanic striations, Black Diamond offers cloudy lighter patches, warm brown undertones, and fine hairline mineral veining ??? making it the most layered and atmospheric dark surface.
Does the warm brown undertone in Black Diamond affect what colours pair with it?
Yes, positively. The warm brown undertones mean Black Diamond coordinates beautifully with natural timber, leather, warm metallics like brass and copper, and earthy neutral tones. It avoids the cold, stark quality of a pure black surface, making it easier to design around.
Will the lighter patches in Black Diamond be noticeable at arm's length?
The lighter patches are subtle ??? they create a gentle sense of depth and cloud-like tonal variation rather than obvious colour differences. At arm's length, the surface reads as a rich, deep charcoal with warm atmospheric depth. The patches become more apparent and interesting at close range.
Is Black Diamond suitable for a home bar or drinks area?
Absolutely. The moody, atmospheric depth of Black Diamond creates an ideal ambiance for bar settings. The dark palette with warm undertones evokes luxury and sophistication, and the non-porous porcelain surface handles spills from wine, spirits, and cocktails without staining.
★★★★★
"Excellent Service and Beautiful Results - Highly Recommended! I recently had In2stone install new quartz worktops in my kitchen, and I couldn't be happier with the results. From start to finish, the experience was completely stress-free. The team was not only competitively priced but also incredibly friendly and professional throughout the entire process. They handled everything seamlessly - removing the existing sink, hob, and old laminate worktops before fitting the new quartz surfaces. The finished worktops are absolutely beautiful and have transformed my kitchen into a modern, minimalist space that I love spending time in. The quality of workmanship is outstanding, and the attention to detail really shows. I'm a very satisfied customer and would highly recommend In2stone to anyone considering new worktops. Well done to the entire team - you've exceeded my expectations!"
— Ashley ChapmanGoogle 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