The 2025 figures show contrasting results for the two operations due to varying market and operational conditions.

Gemfields Group Ltd has released its updated figures as of December 31, 2025, for its two primary mining operations: the Kagem emerald mine in Zambia and Montepuez Ruby Mining (MRM) in Mozambique.

Stands at 26% for the 10-year period (2016–2025).

Stands at 17% for the 10-year period (2016–2025).

The G-Factor is a transparency metric that calculates the percentage of a mine's total revenue paid to the host government through mineral royalties, corporation taxes, dividends, and export levies.