Gemfields releases updated ‘G-Factor for Natural Resources’ figures to 31 December 2025
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Date09 Apr 2026
Gemfields is pleased to confirm its ‘G-Factor for Natural Resources’ figures for the Kagem emerald mine in Zambia and Montepuez Ruby Mining in Mozambique, which now stand at 17% and 26% respectively for the 10-year period from 2016 through 2025. The ‘G-Factor for Natural Resources’ reveals the percentage of natural resource revenue paid to the government of the host country in the form of mineral royalties, corporation tax and, where the relevant government is a shareholder, dividends.
Auction Results: Mixed-Quality Rubies
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Date23 Feb 2026
Gemfields announces the results of an auction comprised of mixed-quality rough ruby held during the period 9 – 20 February 2026. Highlights – Mixed-Quality Ruby Auction – February 2026 Total auction revenues of USD 53 million. 121 of the 135 lots offered for sale were sold (90%). 214,509 carats were offered for sale with 189,620 carats sold (88%). Average sales price of USD 279 per carat. This is the first auction to include material from MRM’s second processing plant, underscoring the contribution it is already making ahead of full commissioning.
Auction Results: Commercial-Quality Emeralds
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Date05 Dec 2025
Gemfields announces the results of an auction comprised of commercial-quality rough emeralds held during the period 17 November – 4 December 2025. Highlights: December 2025 Commercial-Quality Emerald Auction Total auction revenues of USD 25.4 million 46 lots were offered for sale and 45 were sold (98%) Average price of USD 7.46 per carat The 53 auctions of Kagem gemstones held since July 2009 have generated USD 1.147 billion in total revenues
Two Mozambique police officers killed by illegal miners at MRM
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Date16 Oct 2025
On Wednesday 15 October 2025, a group of approximately 40 illegal miners marched on the mine gate at Montepuez Ruby Mining (“MRM”). They proceeded to attack Mozambican police officers present at the gate, killing two, one of whom was a commander of Mozambique’s Natural Resources Protection Force.
Auction Results: Mixed-Quality Rubies
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Date06 Oct 2025
Gemfields is pleased to announce the results of a mini-auction of Mozambican rough rubies from Montepuez Ruby Mining (“MRM”) held via online bidding after viewings in Bangkok, Thailand from 29 September to 3 October 2025. Highlights: Mini Mixed-Quality Ruby Auction – September – October 2025 Auction revenues of USD 11.0 million 26 of the 33 lots on offer were sold 62% of the 297,449 carats on offer were sold Average realised price of USD 59.43 per carat
Auction Results: Mixed-Quality Rubies
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Date16 Jun 2025
Gemfields announces the results of an auction comprised of mixed-quality rough ruby held during the period 2 – 13 June 2025. Highlights – Mixed-Quality Ruby Auction – June 2025 Total auction revenues of USD 31.7 million. 78 of the 90 lots offered for sale were sold (87%). 99,830 carats were offered for sale with 68,705 carats sold (69%). Average sales price of USD 461.48 per carat. The auction included rubies from a newer area of MRM which previously hasn’t been represented at auction in meaningful quantities, including a notable 36-carat ruby (pictured below) which sold well, becoming the third-most-valuable single-gemstone lot in MRM’s history. This auction follows a mini-auction of predominantly small-sized gemstones held in April 2025 that achieved auction... Read More →
Auction Results – MRM Rubies
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Date28 Apr 2025
Gemfields is pleased to announce the results of a mini auction of Mozambican rough rubies from Montepuez Ruby Mining (“MRM”) held in Bangkok, Thailand from 21 to 25 April 2025. Highlights – Mini MRM Ruby Auction – April 2025 Auction revenues of USD 7.2 million 20 of the 21 lots on offer were sold 72.8% of the 250,004 carats on offer were sold Average sales price of USD 39.47 per carat
Further update regarding Mozambique unrest
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Date27 Dec 2024
On 24 December 2024, Gemfields made an announcement regarding incidents occurring on 23 December 2024 and involving groups associated with illegal ruby mining taking advantage of the prevailing political unrest in Mozambique and setting fire, inter alia, to community buildings built by Montepuez Ruby Mining Limitada in Mozambique (“MRM”). These incidents took place in and around Namanhumbir, a village immediately adjacent to MRM’s principal residential infrastructure (“MRM Village”).
Update regarding Mozambique unrest
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Date24 Dec 2024
On Monday 23 December 2024, the Mozambican Constitutional Council issued its decision regarding the October 2024 election. News of the ruling has given rise to further unrest in Mozambique. Gemfields has several operations in Mozambique’s northernmost province of Cabo Delgado, the largest being Montepuez Ruby Mining Limitada in Mozambique (“MRM”) and which is 75% owned by Gemfields.
Strategic Update
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Date23 Dec 2024
Following Gemfields’ most recent emerald and ruby auctions (the results of which were published on 22 November and 12 December 2024 respectively), the Group announces that it has taken, and will continue to undertake, actions to cut costs and streamline business activity amid four key challenges being encountered concurrently, while maintaining focus on the Group’s principal growth project, completion of the second ruby processing plant at Montepuez Ruby Mining Limitada in Mozambique (“MRM”).