Welcome to Ruby International Ltd, a beacon of excellence in
the gemstone mining industry.

Registered in Tanzania, we are a company with a laser-focused mission: to mine and deliver gemstones of exceptional durability, beauty, and rarity. Our commitment goes beyond mere aesthetics; we are dedicated to ethical sourcing practices that uplift and empower local communities, ensuring that every gemstone we offer contributes to a greater good.

Founded in 2014 by our visionary CEO, Salim Almass, Ruby International was born from a dream to establish a mining entity that not only excels in its field but also serves as a catalyst for positive change. Salim’s ambition was clear: to create a company that would raise the standard of living in his home community by providing employment opportunities, socio-economic growth, and educational advancement.

At the heart of our operations is a steadfast dedication to being a responsible miner and marketer of Tanzania’s vibrant colored gemstones. We are committed to responsible mining practices, ensuring transparency, legitimacy, and integrity in every facet of our operations. Respect for the environment and the communities we operate in forms the cornerstone of our approach.

OUR Jouney

Our journey is one of collaboration and respect. We engage deeply with our stakeholders, embracing their values, interests, and concerns.

This collaborative spirit is the cornerstone of our strategy to evolve Ruby International into a globally recognized mining powerhouse, renowned for its ethical approach and commitment to excellence.

Join us in our quest to bring the heart of Tanzania’s earth to the world’s stage, where every gem tells a story of quality, care, and community. 
Ruby International Limited — where mining meets purpose.

Our Vision

Ruby’s vision is to be the global leader in African gemstones while maintaining a balanced focus on profit, people and the environment.

Our Mission

To responsibly mine and market Tanzania’s finest gemstones, enriching communities and ecosystems alike through transparency and ethical practices.

Our Values

At Ruby International,
we adhere to a set of values

Integrity

Ruby has a Do the right thing attitude. We have set up policies that help steer our direction and aid in honest decision making in all of our practices.

Safety

Ruby has a Zero Harm policy. We research, consider and address risks before proceeding with any activity.

Advancement

Ruby aims to improve every day. To ensure development and socio-economic benefits to the community, we invest in training, research and constant improvement because we believe these build the path to development.

Alignment

If Ruby succeeds, we all succeed. This culture is embedded in our leaders, our employees and the community at large and it enables everyone to contribute to Ruby thriving and striving for
greater heights.

Transparency

Ruby strives to ensure transparent practices. We believe that complete visibility across our business and processes will enable to create trust and allow our customers to make informed decisions to partner with us.