Absolute Black and Jet Black Granite Polished Slabs — Memorial Grade, Karnataka Origin
Mirror-polished. Engraving-ready. Block reference locked at sample approval. Supplied to UK monumental masons and French marbriers funéraires in full polished slabs and cut-to-size headstone blanks.
Key Features & Benefits
Origin: Karnataka, South India
Finish: Mirror Polish — High Gloss
Thickness: 20mm · 30mm · 75–100mm
Standard Slab: 240 × 120cm
Cut-to-Size: Available
MOQ: 1 × 20ft or 40ft FCL
Absolute Black Granite — What It Is and Why It Matters for Memorials
Absolute Black granite goes by several names in the trade. Jet Black. India Black. Karnataka Black. They all refer to the same stone — a deep, uniform black granite quarried from a specific geological belt in Karnataka, South India.
It is not grey-black. Not speckled black. Not dark grey that passes for black in low light. It is a solid, consistent, deep black — with zero visible mineral inclusions in premium grade. Under mirror polish, the surface becomes glass-like. Highly reflective. The surface that laser engraving and sandblast lettering shows in sharpest contrast against.
This is why it became the number one memorial granite colour in UK and France. Not because of marketing. Because it does the job better than anything else available at commercial scale.
One more thing worth knowing: Absolute Black granite at commercial export volume comes from one place in the world — Karnataka, South India. Not China. Not Brazil. Not Zimbabwe. The deposits exist elsewhere in small quantities, but the commercial-scale, export-grade Absolute Black that UK cemeteries have used since the 1980s, and that French marbriers specify as Noir Absolu, comes from Karnataka. That geographic exclusivity is not a claim we make — it is a geological fact that experienced memorial trade buyers already know.
The One Thing UK Masons and French Marbriers Cannot Afford to Get Wrong
Ask any UK monumental mason what their biggest sourcing fear is. The answer is almost always the same.
Two headstones. Same family. Same order. Same cemetery plot. Different shades of black when they are placed side by side.
It does not matter if the difference is subtle. The family sees it. The funeral director sees it. The mason’s reputation takes the damage — not the supplier who sent the mismatched slabs.
For French marbriers, the problem shows up differently but with the same consequence. The stèle, the dalle, and the soubassement are all installed in the same monument. All visible in the cemetery. If the pieces were cut from different blocks, the tonal difference is visible to anyone who looks. The marbrier installed it. The marbrier carries the reputation cost.
This is the problem that block reference locking solves.
At sample approval, we record the specific quarry block reference your sample came from. When your production order is confirmed, we source every slab in your shipment from that same block. Same geological origin. Same mineral composition. Same tone. Same surface character.
What you approved in the sample is what arrives at your port — every time.
This is not a premium upgrade. It is our standard process on every StoneCrest order.
Absolute Black and Jet Black Granite — Full Specifications
PRODUCT NAME OPTIONS (all refer to the same stone):
Absolute Black Granite | Jet Black Granite | India Black | Karnataka Black | Noir Absolu (France)
Deep, uniform jet black. Zero visible mineral inclusions in premium grade. Slight tonal variation
acceptable in commercial grade — specify at enquiry. Under mirror polish: glass-like, highly
reflective surface. No speckles. No veining. Consistent across the slab face.
FINISH:
Mirror Polish (High Gloss) — standard supply for memorial grade
Engraving-ready surface verified before dispatch
Honed finish available on specific request
THICKNESS AVAILABLE:
20mm — suitable for flat grave markers, thin plaques, lawn tablets
30mm — standard memorial monument grade
75mm to 100mm — UK upright headstone grade (thick tablet format)
Custom thickness available on request — specify at enquiry
STANDARD SLAB SIZE:
240 × 120cm (2400 × 1200mm) — standard export format
Larger format available on request
Cut-to-size available — see size tables below
GRADE:
Premium Grade — zero tonal variation, consistent deep black across the entire face
Commercial Grade — slight tonal variation acceptable
Specify grade required at enquiry. We confirm availability and pricing accordingly.
ORIGIN:
Karnataka, South India — Karnataka’s quarrying belt
The globally recognised origin for Absolute Black at commercial export scale
SURFACE QUALITY:
No cracks, no fissures, no structural defects in export grade
Edge integrity maintained through cutting and polishing process
Surface checked against approved sample at final inspection stage
MOQ:
1 × 20ft or 40ft FCL (Full Container Load)
No minimum for samples
LEAD TIME:
Confirmed at order stage based on current production schedule
Pre-shipment photographs provided before container departs
Mohs Hardness
3-4 (Moderate)
Finishes Available
Polished, Honed, Brushed
Standard UK Headstone and Memorial Granite Sizes We Supply
(Reference: NAMM and BS 8415 standard dimensions)
UK monumental masons work primarily in inches — with metric equivalents per NAMM guidance. All sizes below are standard StoneCrest supply dimensions for the UK memorial market. Custom dimensions available — send your workshop specifications.
UPRIGHT HEADSTONE BLANKS (most common UK supply format):
Single Standard:
24″ × 18″ × 4″ (610 × 457 × 102mm)
The most common single grave upright tablet in the UK market.
Larger Single:
30″ × 18″ × 4″ (762 × 457 × 102mm)
For larger single grave plots.
Compact Single:
24″ × 12″ × 4″ (610 × 305 × 102mm)
Narrower format for restricted plot widths.
Companion Width:
36″ × 18″ × 4″ (914 × 457 × 102mm)
For double plots — companion or double headstone format.
FLAT MARKERS AND CREMATION TABLETS:
Standard Cremation Tablet:
24″ × 18″ × 2″ (610 × 457 × 51mm)
Lawn Marker:
24″ × 12″ × 2″ (610 × 305 × 51mm)
LEDGER SLABS (full grave cover):
Standard:
900mm × 600mm × 75–100mm thickness
NAMM Standard:
900mm × 864mm × 76–152mm thickness
FULL POLISHED SLABS (buyer cuts to headstone dimensions in workshop):
Standard Export Slab:
240 × 120cm (2400 × 1200mm)
This is our default supply format. UK masons are familiar with Indian standard slab dimensions — they cut to their required headstone blanks from the full slab.
NOTE FOR UK BUYERS:
We supply both full polished slabs AND cut-to-size blanks to your exact NAMM dimensions. Specify your requirement at enquiry and we confirm supply and lead time. If you have dimensions outside the above — send them. We cut to spec.
Standard French Memorial Granite Sizes — Stèle, Dalle, Soubassement
(For marbriers funéraires and grossistes funéraires)
French marbriers work entirely in metric — all dimensions in mm or cm. Every monument component is cut individually and assembled on-site at the cemetery. All pieces for one monument are cut from the same quarry block and the same polishing run to guarantee colour uniformity across the assembled monument.
STÈLE FUNÉRAIRE (upright headstone — the primary visible element):
Standard Rectangulaire:
Hauteur 60–100cm × Largeur 40–70cm × Épaisseur 80–100mm minimum
The most commonly ordered stèle format in France.
Grande Format:
Hauteur 85–92cm × Largeur up to 85–92cm × Épaisseur 80–100mm
For larger plot or family monuments.
Monument Cinéraire:
Smaller format — approximately 40–60cm height
For cremation memorial installations.
Épaisseur minimum: 80mm
Required for outdoor durability and frost resistance. We do not supply stèles below 80mm
thickness — this is a safety and durability standard, not a cost choice.
DALLE FUNÉRAIRE / TOMBALE (flat grave slab covering the plot):
Standard avec pente:
800 × 1550mm (0.80m × 1.55m) — the most commonly ordered dalle in France
Grande Format:
1000 × 2000mm (1.00m × 2.00m)
Épaisseur options:
5/7cm | 6/8cm | 7/9cm | 8/10cm
(French standard notation — minimum / maximum thickness per slab)
SOUBASSEMENT, SEMELLES, PLINTHES (base pieces):
Cut-to-size per concession dimensions
Every cemetery plot in France has individual measurements — the marbrier measures the concession before ordering. Send us your concession dimensions and we cut to spec.
FULL POLISHED SLABS:
Standard Export Slab: 240 × 120cm
French marbriers cut all pieces from standard slabs to their concession dimensions.
Cut-to-size also available — specify your requirements at enquiry.
NOTE POUR LES MARBRIERS:
Nous découpons aux dimensions exactes de votre concession — stèles, dalles, soubassements, semelles. Envoyez-nous vos dimensions habituelles et nous confirmons les délais et les tarifs. Toutes les pièces d’un monument sont découpées dans le même bloc pour garantir l’uniformité de couleur au cimetière.
Evaluate the Quality in Your Own Workshop Before You Commit
The biggest barrier in granite sourcing is simple: how do you know the quality before you commit to a container?
We solve it with a sample.
A small polished piece of Absolute Black or Jet Black granite — approximately 20×20cm to 30×30cm — is available before any container order. It is the same grade and polish as your production order. Not a showroom piece selected for appearance.
It is free of charge. You cover only the shipping cost — approximately USD 15–25 via FedEx or DHL to your location in UK or France.
What to do with it:
Hold it. Check the colour depth against your current standard. Test the mirror polish under your workshop lighting. Run it under your engraving or sandblasting equipment. See how the lettering appears in contrast against the black surface. Then decide.
If the sample matches your standard — or exceeds it — we move to a conversation about your specifications and container requirements.
If it does not match, you have spent USD 15–25 to find that out before committing to an FCL order.
That is the point.
To arrange a sample:
WhatsApp or Call: +91-7676463030
gulmohar@nexacrestinternational.com
Or use the request form below. We will confirm dispatch within one working day.
What Happens Between Your Sample Approval and Your Container Departure
Six stages. Every order. No exceptions.
STAGE 1 — Pre-Production: Quarry block evaluated against your approved sample reference. Colour tone and grade confirmed before a single slab is cut.
STAGE 2 — Random Production: Slabs pulled mid-production and checked against the approved reference. Any block variation caught before the full run is complete.
STAGE 3 — In-Line Review: Mirror polish quality and surface consistency checked during the polishing process.
STAGE 4 — Final Inspection: Every slab in your order inspected against your approved sample. Thickness verified. Dimensions confirmed. Finish checked.
STAGE 5 — Third-Party Inspection: Independent inspector arranged on request. Certificate provided.
STAGE 6 — Logistics Check: Correct packing, adequate protection, correct labelling, documentation match confirmed. Pre-shipment photographs taken and sent to you.
The container does not move until you have seen the photographs and confirmed.
Questions Buyers Often Have Before a First Order
“Will the colour be the same as the sample?”
Yes — because we lock the block reference at your sample approval and source your entire order from that block. This is the specific answer to that specific fear. We do not say “quality will be consistent.” We tell you exactly how we achieve it.
“Can you match the shade I currently source from another supplier?”
Yes. Send us a sample piece of your current standard. Our sourcing team selects blocks to match your approved colour reference before confirming any production. You do not have to trust our description. You trust your own eyes.
“I have had bad experiences with Indian granite suppliers before.”
That is the most common thing we hear — and it is the reason StoneCrest was built the way it was. The frustration is almost always about colour that does not hold batch to batch, and communication that stops after the payment. We address both with specific processes — not promises. Block reference locking for colour. Six-stage QC and pre-shipment photographs for verification. Direct communication before, during, and after every shipment.
“I already have an Indian supplier I trust.”
That is a good position to be in. Having a verified second-source supplier protects your supply chain when your primary supplier has capacity issues, production delays, or quality variation on a specific order. We are happy to be that second source. Send us a sample of your current standard and we will show you what we can match.
Absolute Black and Jet Black Granite — Frequently Asked Questions
What is the difference between Absolute Black and Jet Black granite?
In the trade, Absolute Black and Jet Black refer to the same stone — deep black granite quarried from Karnataka, South India. Different suppliers and different markets use different names. UK buyers often use Jet Black. Some European buyers use Absolute Black. French marbriers specify it as Noir Absolu.
The stone is the same. The geological origin is the same. The colour, finish, and memorial application are identical. When you see Absolute Black, Jet Black, India Black, or Karnataka Black on a supplier’s listing — they are all describing the same granite.
Is Absolute Black granite suitable for memorial headstones and funerary monuments?
Yes — and it is specifically the preferred granite for memorial use in UK and France for two reasons.
First, the colour. Deep, uniform jet black is the most widely requested memorial granite colour in both markets. Zero visible mineral inclusions in premium grade means the surface reads as pure black — which takes engraving and lettering in maximum contrast.
Second, the surface. Mirror polish on Absolute Black produces a glass-like reflective surface that holds the engraving or sandblast lettering with exceptional clarity. The contrast between the polished black surface and the engraved white lettering is sharper on Absolute Black than on any other natural stone variety at this price point.
What thickness is Absolute Black granite for UK memorial headstones?
The most common thicknesses for UK memorial use:
75mm to 100mm for upright headstone tablets — this is the standard thick-format UK upright that most masons work with.
30mm for standard monument grade slabs.
20mm for flat grave markers and cremation tablets.
UK NAMM dimensions: the standard single upright blank is 24″×18″×4″ (102mm thickness).
Larger uprights at 30″×18″×4″. Cremation tablets at 24″×12″×2″ (51mm).
All thicknesses available from StoneCrest. Specify at enquiry.
How many polished granite slabs fit in a 20ft FCL container?
A standard 20ft container holds approximately 18–22 tonnes of polished granite slabs depending on thickness. At 30mm thickness in 240×120cm slab format, that is approximately 80–100 slabs per 20ft container.
A 40ft container holds approximately 22–26 tonnes — roughly double the slab count.
Exact quantities depend on your specified thickness, slab size, and whether the shipment is full slabs, cut-to-size blanks, or a combination. We confirm exact quantities at enquiry stage based on your specifications.
What is the price of Absolute Black granite polished slabs from India?
Pricing depends on: grade (premium or commercial), thickness, finish, quantity (FCL size), and whether you require full polished slabs or cut-to-size blanks.
We do not publish fixed pricing on the website — granite pricing moves with quarry availability, processing costs, and shipping rates. What we can tell you is that we price on a per-order basis with full transparency on what drives the cost.
Send us your specifications — variety, grade, thickness, size, destination, and volume — and we will come back with a clear, itemised quotation.
+91-7676463030 | stone.export@nexacrestinternational.com
Which part of India is Absolute Black granite quarried from?
Karnataka, South India. Specifically from Karnataka’s granite quarrying belt — a region that has supplied Absolute Black to UK, French, and European memorial markets since the 1980s.
The deposits are geologically specific to this region. Commercial-scale, consistent, export-grade Absolute Black comes from Karnataka. Other regions of India produce black granite, but not Absolute Black at the colour consistency and commercial volume that the UK and France memorial trade requires.
StoneCrest sources directly from Karnataka’s quarrying and processing network.
What is Noir Absolu and is it the same as Absolute Black granite?
Yes. Noir Absolu is the French name for Absolute Black granite. French marbriers funéraires specify it as Noir Absolu — particularly for stèles, dalles, and soubassements.
It is the same Karnataka-origin stone, to the same mirror-polish finish, in the same memorial-grade quality. When French buyers ask for Noir Absolu, they are asking for Absolute Black granite from India — specifically from Karnataka.
StoneCrest supplies Noir Absolu / Absolute Black to French marbriers and grossistes funéraires in standard slab format and cut-to-size per concession dimensions.
Also Available from StoneCrest
Tan Brown Granite — Memorial and Export Grade
Warm brown with black, grey, and burgundy mineral crystals. Mirror-polished.
Popular across UK and European memorial markets as a premium alternative to Absolute Black.
View Tan Brown Granite →
Custom Fabrication — Shaped Memorial Pieces
Upright scroll headstones and shaped monument components fabricated at our Bengaluru
processing facility. For buyers sourcing finished pieces rather than raw slabs.
Enquire About Custom Fabrication →
Ready to Source Absolute Black Granite for Your Memorial Work?
Send us your specifications and we come back to you within one working day with:
— Product details and slab photographs
— Confirmation of grade and thickness availability
— A sample offer — free granite, you cover shipping only
— Lead time and FCL volume information
No commitment required at this stage. Just the right information to help you decide.