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Shaping Stones, Shaping Futures

Karrisa Gems Limited is your trusted partner in gemstone value addition, mining, trading, and exports.

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About Us

Karrisa Gems Limited is a licensed Tanzanian company primarily engaged in the extraction of minerals and their export to international markets. We focus on building sustainable partnerships with local miners and global buyers, ensuring transparency, authenticity, and ethical business practices.

In addition to mining and trading, we invest in value addition through a dedicated workshop for cutting, polishing, heating, and certification of natural gemstones. This initiative supports skills development, enhances product value, and contributes to positioning Tanzania as a regional hub for gemstones.

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Our Core Services

Extraction of Minerals

We specialize in responsible extraction of Tanzanite and other minerals under licensed operations in Mererani, ensuring sustainability and safety at every step.

Buying & Selling (Exporting)

Licensed exports with full compliance to Tanzanian and international trade regulations, connecting local miners with global buyers.

Value Addition

Our lapidary services include cutting, heating, and polishing—maximizing gemstone beauty and economic worth for international markets.

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Mining Plant
Mining Plant

Higher production,
stronger cash flows
and key growth
projects on track

Karrisa Gems delivered a strong performance by increasing production of gold, tanzanite, and other gemstones, growing free cash flow, and advancing its pipeline of Tier One projects — all while returning more capital to shareholders.

Certifications & Partners


We take pride in our licenses, certifications, and collaborations with reputable global buyers to ensure trust, quality, and authenticity.

Licensed Mining

Certified and licensed by Tanzanian authorities for responsible mineral extraction and trade.

Quality Certification

All gemstones undergo rigorous quality checks and certification to meet international standards.

Global Partners

We collaborate with trusted buyers and distributors worldwide, ensuring seamless and ethical trade.

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