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Dorse Gems International LTD > About

Dorse Gems International

Dorse Gems International is more than a mining and export company—we are custodians of knowledge passed down through generations of hands-on experience.
For over 30 years, we have worked directly with ethical mining communities across Kenya, Tanzania, Zambia, and the Democratic Republic of Congo. Our approach removes unnecessary middlemen, allowing us to offer better quality, transparent pricing, and complete traceability.

Why Choose us:

Sustainability, Practised Daily

Replanting programs, fair labor, and blockchain certification.

Unmatched Scale

100+ tons annual output, serving jewelers, collectors, and industries worldwide.

Trendsetters

First to market Kenyan Tsavorite and Mererani Tanzanite at scale.

Our Leadership

The People Behind the Stones
Dorse Gems International is guided by a leadership team with over 150 years of combined experience in mining, gemology, international trade, and regulatory consulting.
Each leader brings not just credentials—but lived experience from the field to the global market.
C.P. Mwangi
Co-Founder & Chairman
Chair, Kenya Chamber of Mines | 40+ years industry leadership

+254 720 730 100
Mary Mwangi
Executive Director
Tanzanite specialist with 35+ years hands-on expertise

+254 721 995 812
Samson A. Mwangi
Chief Executive
Officer GIA Graduate Gemologist | Mines Ministry Consultant

+254 737 310 074
Robert S. Mwangi
Head of North America
MBA | International exhibitions (Tucson, JCK Las Vegas)

+1 (404) 555-0199
Dorcas N. Mwangi
Company Secretary
UK lawyer; Digital/UK ops for millennials

+44 (20) 7946 0958

What our clients say is important to us

We’re obsessive about knowledge transfer, so whenever we’ve
developed a unique solution for your business.

``Dorse delivered 50kg flawless Tanzanite on time—best value in 15 years.``

Very Efficient
Jewelry Manufacturer, Thailand

``Seamless Coltan export to Asia; their FCO process is gold-standard.``

Excellent Quality
Tech Firm, South Korea

``Family expertise shines through—highly recommend for US buyers.``

Family Expertise
Atlanta Jeweler

You are so easy to work with and understand our aesthetic and direction so well.

Awesome company!! 😎
Eloise SmithUI/UX Developer

You are so easy to work with and understand our aesthetic and direction so well.

Excellent team!! 🤗
Ernest SmithSenior Analyst

Schedule an appointment with us to
discuss your needs.

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