General
  • Gemfields is a world-leading responsible miner and marketer of coloured gemstones.
  • We have mining operations in Zambia for emeralds and in Mozambique for ruby and pink sapphire.
  • We have a proven track record of delivering a consistent supply of professionally sorted and graded rough coloured gemstones through a programme of private auctions.
Mozambique
  • The Montepuez ruby deposit is located in the northeast of Mozambique within the Cabo Delgado Province.
  • MRM is widely recognised as the single largest producing ruby mine in the world.
  • MRM produced 1.56 million carats of ruby and corundum and 40,006 of premium ruby during 2024.
  • MRM has generated total cumulative auction sales revenue of USD1.2 billion since June 2014.
Zambia
  • Kagem is an emerald mine in the “Copperbelt” region of northern Zambia, estimated to produce around a quarter of the world’s emeralds.
  • Kagem is a world-leading emerald mine.
  • Kagem produced 40.3 million carats of emerald and beryl and 159,351 of premium emeralds during 2024.
  • Kagem has generated total cumulative auction sales revenue of USD1.1 billion since July 2009.

MONTEPUEZ
RUBY MINE

EXPLORE

KAGEM
EMERALD MINE

EXPLORE

Key Information

Recent Financial Information

Analyst Reports

Modern Slavery Statements

Interim Report Released

The company’s Interim Report for the six months to 30 June 2025 is now available:

Click To View

Gemfields Group is covered by the following brokers:

– Panmure Liberum
– SBG Securities

For a full list of GGL’s research reports, please click here.

As required under section 54 of the Modern Slavery Act 2015, Gemfields produces a yearly Modern Slavery Statement (the “Statement”).

The 2024 Statement, as well as historical statements, can be found here.