Gem Diamonds Limited, headquartered in Great Britain, is a prominent player in the diamond mining industry, renowned for its exceptional quality diamonds. Founded in 2007, the company has established a strong operational presence in Lesotho and Botswana, focusing on the exploration, mining, and sale of high-value diamonds.
Specialising in the extraction of large, high-quality diamonds, Gem Diamonds is particularly noted for its flagship asset, the Letšeng mine, which is celebrated for producing some of the world's largest and most valuable diamonds. The company’s commitment to sustainable practices and ethical sourcing further distinguishes it in the competitive landscape.
With a reputation for excellence, Gem Diamonds has achieved significant milestones, including the recovery of several notable diamonds, solidifying its position as a leader in the luxury diamond market.
+31 vs industry average
Gem Diamonds’s score of 56 is higher than 77% of the industry. This can give you a sense of how well the company is doing compared to its peers.
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Industry Intensity
Other Services has below-average carbon intensity
Industry performance
The Other Services industry has reduced its overall emissions by 5% since 2019
Emissions trajectory 2020 – 2028
Reported emissions
Scope 3 accounts for ••• of total emissions.
Gem Diamonds's reported carbon emissions
In 2025, Gem Diamonds reported total carbon emissions of approximately 50.7 million kg CO2e, comprising 14.9 million kg CO2e from Scope 1, 31.2 million kg CO2e from Scope 2, and 4.6 million kg CO2e from Scope 3 emissions. This marked a slight decrease from 2024, where total emissions were about 52.3 million kg CO2e, with Scope 1 at 17.6 million kg CO2e, Scope 2 at 29.3 million kg CO2e, and Scope 3 at 5.4 million kg CO2e. Gem Diamonds has committed to significant climate action, pledging to reduce its Scope 1 and 2 emissions by 30% by 2030, using 2021 as the baseline year. This commitment was reiterated in early 2023 and is part of their broader strategy to achieve near-zero emissions for both Scope 1 and Scope 2 by the mid-2020s. The company aims to align its operations with industry standards for sustainability and carbon reduction, reflecting a proactive approach to climate change mitigation. Overall, Gem Diamonds is focused on reducing its carbon footprint while maintaining operational efficiency, demonstrating a commitment to environmental responsibility within the diamond mining sector.
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Gem Diamonds’s Climate Goals (2030 & 2050)
4 goals2030
30% reduction in Scope 1
The Group has pledged to reduce Scope 1 and 2 emissions by 30% by 2030, using 2021 as the baseline.
2030
62% reduction in total GHG
Vs 2019 baseline. Validated by SBTi. Includes full supply chain.
2040
50% reduction in Scope 3 intensity
Across purchased goods and services and logistics.
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Scope 3 top emissions categories
No scope 3 category breakdown has been disclosed yet.
Emissions comparison with industry peers
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Gem Diamonds
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