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Discussing our governance context
In this Q&A, Mike provides insight into the progress made with regard to the Group’s governance and sustainability objectives during the year.
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Our business context
The mine lease renewal granted by the Government of the Kingdom of Lesotho signals the continuation of a long-standing, mutually beneficial partnership between Gem Diamonds and the people of Lesotho.
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Discussing our operational context
In this Q&A, Brandon provides insight into the progress made concerning the Group's operational and sustainability objectives during the year.
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Case studies
Being an employer of choice, Ensuring long-term environmental well-being, Optimising positive social outcomes.
Our sustainability principles
Creating a safe and healthy working environment
Improving resource use efficiencies
Upholding Business Integrity
Prioritising environmental protection
Optimising socio-economic benefit
Prioritising the development and well-being of our employees
Creating a safe & healthy working environment
Gem Diamonds promotes a culture of zero harm and responsible care through effective risk management that prioritises our workforce.
Improving resource use efficiencies
Gem Diamonds is committed to continuously working towards minimising wasteful usage of the resources required to conduct business. Improving resource use efficiencies through innovation and capital efficiency will improve the long term sustainability of the organisation and protect non-renewable natural resources.
Upholding Business Integrity
Gem Diamonds is committed to meeting our responsibilities as an ethical and accountable organisation through a strong culture of corporate integrity and robust governance.
Prioritising environmental protection
Gem Diamonds is committed to minimising the impact our operations have on the natural environment by mitigating potential environmental impacts, responsibly managing natural resources and rehabilitating the environment at mine closure.
Optimising socio-economic benefit
We believe it is our moral obligation to contribute to the sustainable socio-economic growth of the areas in which we operate.
Prioritising the development and well-being of our employees.
Gem Diamonds aims to foster respectful and mutually beneficial relationships with our employees, by prioritising their development and well-being and the promotion of equality and diversity in our workforce.
Downloads and archives

Our pillars overview
Financial and operational
Our pillars overview
Financial and operational
PRINCIPLES
- PRIORITISING THE DEVELOPMENT AND WELL-BEING OF OUR EMPLOYEES
- UPHOLDING BUSINESS INTEGRITY
- OPTIMISING SOCIO-ECONOMIC BENEFIT
- IMPROVING RESOURCE USE EFFICIENCIES
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US$182 million in revenue (2018: US$267 million).
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US$41 million underlying EBITDA (earnings before interest, tax, depreciation and amortisation). (2018: US$82 million underlying pre-exceptional EBITDA).
RELATED UN SDGs
GOVERNANCE AND ETHICS
Our pillars overview
Governance and Ethics
PRINCIPLES
- CREATING A SAFE AND HEALTHY WORK ENVIRONMENT
- PRIORITISING THE DEVELOPMENT AND WELL-BEING OF OUR EMPLOYEES
- OPTIMISING SOCIO-ECONOMIC BENEFIT
- PRIORITISING ENVIRONMENTAL PROTECTION
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Every rough diamond recovered is certified through the Kimberley Process.
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Fully compliant with all government regulations and relevant voluntary codes concerning product and service information labelling.
Related UN SDGs
EMPLOYEES
Our pillars overview
Employees
PRINCIPLES
- CREATING A SAFE AND HEALTHY WORKING ENVIRONMENT
- PRIORITISING THE DEVELOPMENT AND WELL-BEING OF OUR EMPLOYEES
- OPTIMISING SOCIO-ECONOMIC BENEFIT
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One fatality (2018: Zero).
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Seven lost time injuries (LTIs) have been recorded (2018: Four).
RELATED UN SDGs
SOCIAL
Our pillars overview
Social
PRINCIPLES
- PRIORITISING ENVIRONMENTAL PROTECTION
- Optimising socio-economic benefit
- Prioritising the development and well-being of our employees
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US$0.8 million invested in social projects (2018: US$0.8 million)
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US$164.6 million spent on local procurement (2018: US$159.3 million).
RELATED UN SDGs
ENVIRONMENTAL
Our pillars overview
Environmental
PRINCIPLES
- IMPROVING RESOURCE USE EFFICIENCIES
- PRIORITISING ENVIRONMENTAL PROTECTION
- Increasing community benefit
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Zero major environmental incidents for the eleventh consecutive year.
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Zero significant environmental incidents for the sixth consecutive year