Diamond Stone

What Diamond Stone does

Diamond Stone Industries (صنایع سنگ دیاموند / Sanaye Sang Diamond) is a privately held, founder-owned Iranian natural stone processor founded in 1951 (1330 Iranian calendar). The company began with mining activity at the Qala Cham and Dagon Qom quarries, established its first processing plant in Fedayian Islam, Tehran in 1961, and consolidated operations at the Shams Abad Industrial Town complex (Km 45 Tehran-Qom Highway) built in 2011. Since 2016, Diamond Stone has operated multiple specialized production collections covering marble, travertine, marblemet, tranix, and granite, with a marketed portfolio of 13 marble varieties — white crystalline marbles (Azna, Aligudarz, Bianco, Persian Silk, Maron White, Ciel White), colored varieties (Cream Dehbid, Persian Scatto), and dark/luxury stones (Pietra Gray/Lashtar, Blue Ocean, Agata Black, Symon, Neyriz) — supplied in slabs, tiles, book match, form match, and raw formats.

Technical capabilities center on cutting, super polishing, and finishing in polished, chiseled, and matte variants, including the production of book match and form match slabs for luxury interiors. The company publishes technical specifications for signature stones, such as Pietra Gray (Lashtar) with water absorption of 0.42%, specific gravity 2.77, porosity 0.44%, and compressive strength of 1,360, and highlights dense-texture products like Blue Ocean Marble for very low water absorption. Value-added services include expert design consultation, layout planning, and specialized installation executed by in-house teams.

Diamond Stone operates a sales-led, direct-to-customer model with quotation-based pricing — no public price list is provided. Customer engagement runs through the corporate website (diamondstone.ir), Instagram (@diamondstone.ir), WhatsApp, phone, and email, supplemented by a 9-page digital product catalog. The company serves both domestic and international markets, targeting luxury residential, commercial, hospitality, and exhibition construction projects.

Name

Diamond Stone

Legal name

Diamond Stone Industries

Website

https://diamondstone.ir

Company type

Private

Founded year

1951

Operating status

Operating

Headcount range

11–50 employees

Short description

Diamond Stone Industries is a privately held Iranian natural stone processor founded in 1951, extracting and finishing 13 marble varieties — including white, colored, and dark luxury stones — in slabs, tiles, book match, and form match formats for residential, commercial, hospitality, and export construction markets via direct sales.

Ownership category

akta.pro rank

Product category

Natural Stone / Building Stone Materials

NAICS

Cut Stone and Stone Product Manufacturing (327991), Dimension Stone Mining and Quarrying (212311)

SIC

Cut Stone & Stone Products (3281), Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400)

akta.pro primary industry

Marble Quarrying & Dimension Stone Fabrication (IMAKAHAE)

akta.pro secondary industry

Granite Quarrying & Dimension Stone Fabrication (IMAKAHAD)

Keywords

• Natural stone processing
• Marble manufacturing
• Stone slab supply
• Travertine processing
• Building stone materials

Headquarters

HQ city

Tehran

HQ country

Iran

HQ region

Middle East

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Marketing or Sales

Revenue model

1. Natural Stone Products: Sale of processed natural stones including marble, travertine, marblemet, granite in various forms (slabs, tiles, book match). Revenue generated from domestic sales and export of construction stones.
2. Specialized Stone Services: Professional design consultation, proper layout planning, and specialized project execution services for stone installation.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Diamond Stone Industries is an Iranian natural stone processor that quarries, cuts, and finishes marble, travertine, granite, and marblemet products and sells them in slabs, tiles, book match, form match, and raw stone formats. The company complements its product sales with professional design consultation, layout planning, and specialized stone installation services for construction projects. Its core portfolio includes 13 distinct marble varieties spanning white, cream, gray, and dark-toned stones for residential, commercial, and luxury architectural applications.

Product overview

Diamond Stone Industries is a natural stone processor and manufacturer offering a portfolio of marble and crystalline marble products for the construction industry. The core product portfolio consists of 13 distinct marble varieties including white marbles (Azna, Aligudarz, Maron White, Ciel White, Bianco, Persian Silk), colored marbles (Cream Dehbid, Persian Scatto), dark marbles (Pietra Gray, Agata Black, Blue Ocean, Neyriz), and specialty stone (Symon). Products are offered in multiple formats including slabs, tiles, book match, form match, and raw stone. The company complements its product sales with value-added services including expert design and layout services, specialized project execution, and custom stone product design.

Differentiator

Problem solved

Functional benefit

Products and services

• Azna Marble (سنگ ازنا) White marble with black and gray veins, one of the highest quality crystalline marbles in the world. Known for high polishability, low water absorption, low staining, and high compressive strength. Processed mainly as slabs and large sizes, including book match and form match patterns.
• Aligudarz Marble (سنگ الیگودرز) One of the most famous and oldest crystalline marble stones in Iran, with a white background featuring irregular black, gray, and sometimes yellow veins. Used in residential and commercial flooring, bathrooms, and interior/exterior facades.
• Maron White Marble (سنگ سفید مارون) White marble stone from the Maron region, used in building applications.
• Ciel White Marble (سنگ سفید سیل) White marble stone with distinctive visual characteristics, included in the company's white marble product portfolio.
• Symon Marble (سنگ سایمون) Distinctive white marble with blue-colored lines and streaks, unique among crystalline marbles. Known for low water absorption, high quality, and unique dimensions and color. Recognized in the market as a suitable alternative to foreign stones in luxury projects.
• Persian Scatto Marble (سنگ ایرانی اسکاتو) White marble with gray and black lines, similar to Italian Erbescato marble. A variety of Aligudarz crystalline marble featuring white background with gray and black veins. Known for negligible water absorption, very high density and polishability, and ability to create book match and form match sheets used in luxury projects.
• Cream Dehbid Marble (سنگ کرم رنگ دهبید) One of the highest quality marble stones with cream color. Features high strength, high abrasion resistance, unique color and pattern, low water absorption due to high molecular density, excellent polishability, and unparalleled translucency.
• Persian Silk Marble (سنگ پرشین سیلک) Unique marble stone with attractive appearance and neutral color, suitable for interior decoration of homes and residential and commercial buildings.
• Bianco Marble (سنگ بیانکو) White marble with delicate, irregular gray-colored veins, extracted from the Aligudarz region. Similar in appearance to its Italian counterpart, also known as Persian Bianco marble.
• Blue Ocean Marble (سنگ آبی اقیانوس) One of the most luxurious and beautiful crystalline/china marbles in Iran, with black background and white wave-like patterns and fine and coarse white veins. Known for excellent polishability and very low water absorption due to dense texture. Used for flooring and wall covering in luxury buildings such as hotels, exhibitions, and restaurants.
• Agata Black Marble (سنگ سیاه آگاتا) Marble with black background and wide white and yellow veins appearing as beautiful waves on its surface. One of the special stones from the china stone family, processed in both wavy and non-wavy forms.
• Pietra Gray Marble (سنگ خاکستری پیترا) Lashtar marble with international name Pietra Gray, a luxury and high-demand marble. One of the most popular and important dark-toned export stones from Iran. Features high impact resistance, high abrasion resistance, high compressive strength, high durability and longevity, excellent polishability, low water absorption, high strength, and dense bone-like texture.
• Neyriz Marble (سنگ نیریز) Building stone with white color theme along with dark gray veins and lines. China stone or Neyriz crystal, popular among white stones due to its reasonable price. Known for resistance with low water absorption, versatile and economical, used in floors, walls, and stairs. Processed in various finishes from polished and glossy to chiseled and matte.
• Design and Layout Services Expert design and proper arrangement services by company specialists based on available space, offered to construction buyers as a value-added consultative service.
• Specialized Project Execution Services Specialized project execution using Diamond Stone's dedicated installation team for stone installation in construction projects.
• Specialized Stone Product Design Services Specialized design services for custom stone products offered to construction and architectural buyers.

Quantifiable outcome

• Water absorption as low as 0.42% for Pietra Gray marble
• +2 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators3 records

Recent moves8 records

Expansion highlights5 records

Regional players

• Karni Group: Indian natural stone company processing marble, granite, sandstone, and slate for export. Comparable product portfolio (multi-variety natural stone slabs and tiles) and international B2B focus, though operating primarily from India rather than Iran — a regional peer in the global natural stone export market.
• Pokarna Limited: Indian processor and exporter of granite and stone products for international construction and monument markets. Comparable as a vertically integrated stone processor with international exports and multiple product formats (slabs, tiles, cut-to-size).

Broad incumbents

• Polycor: North America's largest natural stone manufacturer, quarrying and fabricating granite, marble, and limestone for construction and architectural projects. Comparable as an integrated quarry-to-finished-stone producer serving commercial/residential construction with multiple stone varieties.
• Antolini Luigi & C: Italian global leader in natural stone processing and distribution. Antolini processes marble, onyx, travertine into slabs and bespoke finished products for luxury projects — directly comparable to Diamond Stone's premium slab processing, book match capabilities, and luxury construction customer base, but at vastly larger scale and global reach.

Direct peers

• Coldspring: US-based natural stone quarrier and fabricator producing granite, marble, and limestone for architectural and construction applications. Comparable in integrated quarry-to-finished-product operations, multi-variety portfolio, and value-added processing for commercial/residential projects.
• Mumal Marbles: Indian marble processor and exporter with a wide portfolio of imported and domestic marble varieties for international markets. Comparable as a multi-variety stone processor focused on export markets and luxury construction segments similar to Diamond Stone's positioning.
• Levantina y Asociados de Minerales: Spain's largest natural stone producer, quarrying and processing marble, granite, and other stones for international export. Directly comparable in business model (quarry + processing + export of multiple stone varieties for construction) and customer overlap with Diamond Stone's international B2B buyer base.

Emerging players

• Bestone Industrial Co. China-based natural stone processor producing marble and engineered stone slabs for global construction markets. Comparable as a marble slab exporter with book match capabilities and value-added processing serving commercial/residential construction.

Market position

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Instagraminstagram.com/diamondstone.ir
• LinkedInlinkedin.com/company/diamondstone

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Diamond Stone