Gemfields
Gemfields Group Ltd (formerly Pallinghurst Resources Limited) is a natural resources company incorporated in Guernsey and headquartered in London, United Kingdom, and is a supplier of responsibly-sourced coloured gemstones. The company specializes in the mining, processing and sale of coloured gemstones, in particular emeralds and rubies. The group owns the Kagem emerald mine in Zambia and the Montepuez ruby mine in Mozambique. Gemfields produces around 25% of the world's emerald supply and around 50% of the world's ruby supply.

Gemfields owns Fabergé and holds additional stakes in companies based in Zambia, Mozambique, Ethiopia and Madagascar. It also has minority stakes in platinum-group metals producer Sedibelo Platinum Mines Limited and a steelmaking materials producer Jupiter Mines Limited. During April 2019, the Company announced it had agreed to sell its holding in Jupiter to a third party, with the transaction due to complete in November 2019.

In May 2017, the company's board (under the name of Pallinghurst Resources Limited) announced the terms of an offer to acquire the entire issued, and to be issued, share capital of Gemfields Ltd (then as Gemfields plc and listed on AIM), other than the Gemfields Ltd shares already held by the company – approximately 47%. Under the terms of the offer, each Gemfields Ltd shareholder was entitled to receive 1.91 Gemfields Group Ltd shares for each Gemfields Ltd share. The acquisition completed in late 2017 and Gemfields Ltd is now a 100% subsidiary of Gemfields Group Limited.

In July 2009, Gemfields Ltd commenced a formal auction programme for Zambian emeralds mined at Kagem. To date, the company has held 32 auctions of rough emerald and beryl produced from Kagem which have generated revenues totalling $589 million.

In June 2014, Gemfields Ltd held a ruby and corundum auction in Singapore. To date, the company has held 12 auctions of ruby and corundum produced from Montepuez Ruby Mining Limitada (MRM) which have generated revenues totalling $513 million.

The company has traceability of its stones.

Gemfields Authorised Auction Partner 

Gemfields do have a special certification for auctioneers who visit & and have a successful winning bids at the auction. These companies are given the status of "Gemfields Authorised Auction Partner" which can only be used with bilateral agreements between Gemfields and the company. The companies can use the branding & identity in promotional materials for the individual companies.

Mines

Kagem Emerald Mine 

Gemfields owns the Kagem emerald mine in Zambia which is responsible for approximately 25% of the world's emerald supply. The pit is around  deep, exposing one concordant and four discordant pegmatites over a strike length of . Gemfields own 75% of the mine while the remaining 25% stake is held by the government in Lusaka.

The Kagem mine is the first emerald mine in the world to be assessed against Eco-Age’s Green Carpet Challenge (GCC) Principles of Sustainable Excellence.

Montepuez Ruby Deposit 

Gemfields Ltd acquired a 75% stake in the Montepuez ruby deposit in Mozambique in February 2012. The Monepuez ruby deposit is located in the northeast of Mozambique in the Cabo Delgado Province. Covering approximately .

Large rubies of note found in the Montepuez deposit are the Rhino Ruby (40.23 carats), and the Eyes of the Dragon (45 carats).

Subsidiaries

Fabergé

Gemfields Ltd acquired Fabergé Limited on 28 January 2013. This valued the brand at approximately $142 million. In a statement, the company said that Fabergé will provide Gemfields with direct control over "a high-end luxury goods platform and a global brand with an exceptional heritage".

Oriental Mining 
Gemfields owns Oriental Mining SARL, a company incorporated in Madagascar. Oriental has 15 exploration licences covering emeralds, rubies, sapphires, tourmalines and garnets in Madagascar.

Ethiopia 
Gemfields owns 75% of Web Gemstone Mining plc (“WGM”), a company that holds a 200-square-kilometre emerald exploration licence in southern Ethiopia. Exploration activity began in June 2015 in an area to the north of the licence, called the Dogogo Block. The area was selected based on favourable geological settings and evidence of past artisanal activity.

Corporate responsibility 
Gemfields aims to operate at the highest mining standards and to contribute to global development by aligning their localised community projects to the broader strategic aims of the United
Nations Sustainable Development Goals. Gemfields focuses on projects that help to alleviate hunger (through developing farming and other food-security projects), health and well-being (through medical assistance and infrastructure such as clinics), education (through adult learning, scholarships and school infrastructure) and life on land (through conservation partnerships).

During the mining process, the mines are getting prepared for backfilling, to reduce the environmental impact and allow for faster ecological restoration.

Shareholders

 Dr Christo Wiese – 11.4%
 Fidelity International – 10.1%
 NGPMR (Cayman) L.P. - 9.8%
 OVMK N.V. – 7.4%
 Gemfields Group Limited - 6.8%
 Oasis – 6.7%