Top 10 Companies in the Rough Diamonds Industry (2025): Market Leaders Shaping Global Jewelry and Industrial Applications

In Business Insights
June 06, 2025


The Global Rough Diamonds Market was valued at USD 832 million in 2023 and is projected to reach USD 1080.20 million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 3.80% during the forecast period. This steady expansion is driven by surging jewelry demand and industrial applications, alongside strategic mining developments across key diamond-producing regions.

As technological innovations revolutionize diamond exploration and ethical sourcing becomes imperative, industry giants continue to dominate global supply chains. This report profiles the Top 10 Companies in the Rough Diamonds Industry – mining powerhouses, trading specialists, and sustainability leaders defining the future of this glittering sector.


🔟 1. De Beers Group

Headquarters: London, United Kingdom
Key Offering: Rough diamond mining and distribution

The industry’s most recognized name controls approximately 30% of global rough diamond supply through operations in Botswana, Canada, Namibia, and South Africa. De Beers’ blockchain platform (Tracr) provides unprecedented supply chain transparency.

Sustainability Initiatives:

  • Carbon-neutral mining operations by 2030
  • $10M annual investment in synthetic diamond detection
  • Construction of world’s largest solar plant for diamond mining in Botswana

Download FREE Sample Report: Rough Diamonds Market – View in Detailed Research Report


9️⃣ 2. Alrosa PJSC

Headquarters: Mirny, Russia
Key Offering: 95% of Russia’s diamond production

This state-controlled enterprise operates 11 mines in Yakutia and Arkhangelsk, contributing nearly 30% of global rough diamond production by volume. Alrosa maintains strong trading relationships in Asian markets despite geopolitical challenges.

Core Strengths:

  • Largest known diamond reserves (650 million carats)
  • Full vertical integration from mining to cutting

8️⃣ 3. Rio Tinto Diamonds

Headquarters: London, United Kingdom
Key Offering: Premium colored diamonds

While ceasing operations at Australia’s legendary Argyle mine in 2020, Rio Tinto remains influential through its 60% stake in Canada’s Diavik mine and exploration projects in India and Australia.

Sustainability Initiatives:

  • 95% water recycling efficiency
  • 20%+ Indigenous workforce participation

7️⃣ 4. Dominion Diamond Mines

Headquarters: Yellowknife, Canada
Key Offering: Ethically-sourced Canadian diamonds

Operating Canada’s Ekati mine and holding 40% of Diavik, Dominion is renowned for fully traceable diamonds that command premium prices in luxury markets.

Key Differentiators:

  • Proprietary diamond sorting technology
  • Direct partnerships with First Nations communities

Download FREE Sample Report: Rough Diamonds Market – View in Detailed Research Report


6️⃣ 5. Petra Diamonds Limited

Headquarters: St Helier, Jersey
Key Offering: Premium white diamonds

Operating South Africa’s legendary Cullinan mine (source of the 3,106-carat Cullinan Diamond), Petra specializes in high-value white gem diamonds representing 1% of global supply.

Operational Highlights:

  • $122M invested in mine digitization
  • 85% reduction in water consumption since 2019

5️⃣ 6. Lucara Diamond Corp

Headquarters: Vancouver, Canada
Key Offering: Large, high-value diamonds (+10.8 carat)

Lucara’s innovative XRT technology at Botswana’s Karowe Mine has yielded multiple record-breaking diamonds, including the 1,758-carat Sewelô.

Technological Advantages:

  • Proprietary diamond detection systems
  • AI-powered valuation models

4️⃣ 7. Gem Diamonds

Headquarters: Saint Helier, Jersey
Key Offering: Large, high-value diamonds

Operating Lesotho’s Letseng mine (highest dollar-per-carat yield globally), Gem Diamonds specializes in rare Type IIa diamonds averaging $2,000+ per carat.

Market Position:

  • Record 910-carat Lesotho Legend sold for $40M
  • Contracts with leading luxury brands

3️⃣ 8. Murowa Diamonds

Headquarters: Harare, Zimbabwe
Key Offering: Industrial-grade rough diamonds

This RioZim-Rio Tinto joint venture is Africa’s fastest-growing producer, with plans to triple output by 2026. Specializes in high-quality industrial diamonds.

Expansion Plans:

  • $300M processing facility investment
  • New underground mining development

Download FREE Sample Report: Rough Diamonds Market – View in Detailed Research Report


2️⃣ 9. Stornoway Diamond Corporation

Headquarters: Longueuil, Canada
Key Offering: Quebec’s first commercial diamonds

Operating the Renard Mine in northern Quebec, Stornoway pioneered cold-weather diamond mining, producing high-quality stones favored by eco-conscious buyers.

Environmental Leadership:

  • First carbon-neutral diamond mine
  • Zero process water discharge

1️⃣ 10. Lucapa Diamond Company

Headquarters: West Perth, Australia
Key Offering: Rare pink diamonds

Notable for Angola’s remarkable 404-carat “4th February Stone”, Lucapa combines advanced exploration tech with ethical mining across African operations.

Innovation Focus:

  • Drone-based exploration
  • Blockchain provenance tracking

Get Full Report Here: Rough Diamonds Market – View in Detailed Research Report


💎 Outlook: The Future of Rough Diamonds Is Transparent and Tech-Driven

The industry stands at a pivotal juncture, balancing traditional mining with cutting-edge technologies and rising demand for ethical sourcing.

📈 Key Trends Reshaping the Market:

  • Blockchain adoption for supply chain transparency
  • Advanced sorting tech reducing processing losses by 15-20%
  • Strategic shift toward Canadian and Australian production
  • Growing premium for fully traceable diamonds

Get Full Report Here: Rough Diamonds Market – View in Detailed Research Report

These market leaders aren’t just extracting Earth’s treasures – they’re redefining responsible mining for the digital age.