Top 10 Companies in the Global Gemstones Market | Industry Leaders 2026

The global gemstones market was USD 39.40 Billion in 2025, is expected to reach USD 73.27 Billion by 2035, growing at a 6.40% CAGR. As per the analysis by Expert Market Research, the market is expected to be driven by the increasing consumer disposable incomes and rising living standards, and advancements in technology leading to improved mining of precious metals and manufacturing of gemstones.

The high popularity of gemstones like Diamond, Jade, Sapphire, Rube, and Emerald, amongst others, is a key factor shaping the market dynamics globally.  Diamond holds a prominent market share in the global gemstones market. The top five countries for diamonds worldwide include the USA (50%), Japan (15%), Italy (5%), India (3%), and China (2%).

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Technological advancements are leading to innovations in the manufacturing process, thus strengthening the market growth. Significant breakthroughs in lab-grown diamond fabrication and rapid adoption of the same are accelerating sales. The rising popularity of lab-grown diamonds is encouraging several global players to diversify their product portfolio. In June 2026, Pandora expanded its lab-grown diamond collections into Spain and Italy, introducing the range through new flagship stores in Barcelona and Milan. The expansion strengthened Pandora’s presence in the European lab-grown diamond jewellery segment and supported its strategy of making diamond jewellery more accessible to a broader consumer base.

Latest Updates on Top Gemstone Companies Worldwide | Market Trends & Leaders

In August 2026, Gemfields reported results from its latest higher-quality rough emerald auction, continuing commercial sales from emeralds produced at the Kagem mine in Zambia.

In July 2026, Gem Diamonds recovered a high-quality 117.47-carat Type II white diamond from the Letšeng mine in Lesotho, adding another large stone to the mine's 2026 production.

In June 2026, Fura Gems held an auction of natural rough sapphires from its Australian operations, strengthening its international supply of responsibly mined coloured gemstones.

In May 2026, Botswana Diamonds advanced evaluation work on its Southern African diamond assets as the company continued developing exploration opportunities in Botswana and South Africa.

In March 2026, Debswana continued implementation of major mine-development programmes in Botswana, supporting longer-term production capacity at its Jwaneng and Orapa operations.

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Top 10 Gemstone Manufacturers Worldwide | Leading Suppliers & Brands

1. Gem Diamonds Limited

Gem Diamonds Limited is a leading global diamond producer of high-value diamonds. It is listed on the London Stock Exchange under the symbol GEMD. The company has offices in the UK, Belgium, Lesotho, Botswana, South Africa, and Cyprus. The company holds a 70% stake in the Letšeng mine in Lesotho, known for producing large, high-quality white diamonds. This mine boasts the highest dollar-per-carat value among kimberlite diamond mines globally. In May 2026, Gem Diamonds recovered a 99.31-carat Type II white diamond from Letšeng, continuing the mine's record of producing exceptional large diamonds.

2. Kiran Gems Private Limited

Kiran Gems Private Limited is the world’s largest manufacturer of natural polished diamonds and India’s leading diamantaire. The company is a De Beers Sightholder company and RJC Certified Member. The company operates in Mumbai, Surat, UAE, and the USA, serving top jewellery and watch brands. Their ethical sourcing from major mining companies and commitment to trust, and excellence resulted in 97% repeat customers.

3. Bric Jewels Co. Ltd.

BRIC is a Bangkok-based gemstone company, specialising in sourcing, calibrating, and distributing premium natural polished diamonds, rubies, and blue sapphires. The company offers high-quality rubies that come from Myanmar and Mozambique, while sapphires are sourced globally. With 60 years of combined experience, they serve jewellery manufacturers, wholesalers, exporters, retailers, traders, and individual buyers, offering a wide range of calibrated gemstones ready for use in various karat gold jewellery.

4. Gemfields Group Limited

Gemfields Group Limited (GGL) is a leading producer of gemstones like Emeralds, Rubies, Sapphires, and others. The company operates and owns 75% of the Kagem emerald mine in Zambia and the Montepuez ruby mine in Mozambique. The company also holds interests in other gemstone mining licenses in Zambia, Mozambique, Ethiopia, and Madagascar. Through its ownership of Fabergé, Gemfields enhances the positioning of coloured gemstones. It has developed a unique grading system and auction platform to ensure a consistent supply to markets. Gemfields is listed on the Johannesburg Stock Exchange and quoted on the London AIM Stock Exchange. In June 2026, Gemfields completed a mixed-quality ruby auction comprising material from the Montepuez Ruby Mining operation in Mozambique.

5. The Rare Gemstone Company

Rare Gemstone Company also known as RGC specialises in the finest Tanzanite, Tsavorite, and rare African gemstones. The company was founded in 1974. The company, comprising gemologists, jewellery designers, and gem specialists, offers in-house fine gem cutting and custom jewellery making. With over 100 years of combined cutting experience, RGC provides expertly crafted gemstones and bespoke jewellery.

6. PJSC ALROSA

ALROSA is a leading global diamond mining enterprise, focusing on geological exploration, mining, sales, and cutting and polishing of rough diamonds. The company operates in Russia's Republic of Sakha (Yakutia) and Arkhangelsk region.  It employs over 30,000 people. The company is listed on the Moscow Exchange, 34% of its shares are publicly traded, while 66% are owned by Russian governmental entities. The company upholds high corporate governance standards, is committed to sustainable development, and invests about 5% of its revenue in social initiatives.

7. Fura Gems INC

Fura Gems is a Dubai-based coloured gemstone mining and marketing company. The company mines emeralds in Colombia, rubies in Mozambique, and sapphires in Australia, ensuring sustainable and ethical practices. The company is committed to transparency. It also focuses on improving miner conditions, providing sustainable employment, and supporting local communities. In March 2026, Fura Gems presented a selection of premium coloured gemstones at international jewellery trade events, supporting wider market access for its Colombian emeralds and Australian sapphires.

8. Debswana Diamond Company (Pty) Limited

Debswana Diamond Company (Pty) Limited also known as Debswana is Botswana's largest private sector employer with about 5,527 staff and 5,000 contractors. The company mines diamonds at Orapa, Letlhakane, Damtshaa (OLDM), and Jwaneng. These mines have significantly contributed to Botswana's economic growth, transforming it from one of Africa's least developed countries to a middle-income nation. Debswana plays a crucial role in the national economy, with a small corporate office in Gaborone.

9. KGK Group

KGK Group is a global leader in the gems and jewellery industry with operations in 16 countries. The group excels in sourcing, manufacturing, and distributing coloured stones, diamonds, and jewellery. KGK's presence spans India, Hong Kong, China, Thailand, and various African nations. The company's retail brand, Entice, operates in international and Indian markets.

10. Botswana Diamonds PLC

Botswana Diamonds PLC is a diamond exploration and project development company with licenses in Botswana and South Africa. The company is listed on AIM under the symbol of BOD. It is also listed on the Botswana Stock Exchange. In July 2026, Botswana Diamonds announced progress across its exploration portfolio as it continued evaluating prospective diamond assets in Southern Africa.