Gem Diamonds is a leading producer of high-value diamonds

The Group owns the Letšeng diamond mine in Lesotho and the Ghaghoo mine in Botswana, with Head Offices in the United Kingdom and Sales and Marketing capabilities in Belgium and Innovation Solutions in Cyprus.

The Letšeng mine is renowned for its production of large, top colour, exceptional white diamonds, making it the highest average dollar per carat kimberlite diamond mine in the world.


Key information


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Tailings management system

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Our strategy

Our strategy is underpinned by three key priorities which we believe will deliver maximum value for all stakeholders through our business cycle.

Our strategy


We transparently and succinctly report on our material sustainability matters, guided by the Global Reporting Initiative Standards. In 2021 we implemented the recommendations of the Task Force on Climate-related Financial Disclosures (TCFD) in our reporting for the first time.


Famous diamonds

The Letšeng Mine is also famous for its large top colour white diamonds and has produced four of the 20 largest white diamonds ever recorded since Gem Diamonds took the mine over in 2006.

Our famous diamonds

Gem Diamonds is a constituent of the FTSE4 Good Index Series

Gem Diamonds is a Strategic Partner of the Commonwealth Enterprise &
Investment Council