GMDMF (Gem Diamonds) FCF Margin %: 19.16% (As of Dec. 2025)


What is Gem Diamonds FCF Margin %?

Gem Diamonds GMDMF FCF Margin % is 19.16% as of Dec. 2025. The stock has 5 warning signs investors should review. Among 847 Metals & Mining companies, Gem Diamonds ranks worse than 58.91% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Gem Diamonds's Free Cash Flow for the six months ended in Dec. 2025 was $10.16 Mil. Gem Diamonds's Revenue for the six months ended in Dec. 2025 was $53.05 Mil. Therefore, Gem Diamonds's FCF Margin % for the quarter that ended in Dec. 2025 was 19.16%.

As of today, Gem Diamonds's current FCF Yield % is -102.10%.

The historical rank and industry rank for Gem Diamonds's FCF Margin % or its related term are showing as below:

GMDMF' s FCF Margin % Range Over the Past 10 Years
Min: -15.78   Med: -0.38   Max: 25.04
Current: -8.32

During the past 13 years, the highest FCF Margin % of Gem Diamonds was 25.04%. The lowest was -15.78%. And the median was -0.38%.

GMDMF's FCF Margin % is ranked worse than
58.91% of 847 companies
in the Metals & Mining industry
Industry Median: -2.17 vs GMDMF: -8.32

Gem Diamonds FCF Margin % Related Terms

Gem Diamonds FCF Margin % Historical Data

* Premium members only.

The historical data trend for Gem Diamonds's FCF Margin % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Gem Diamonds FCF Margin % Chart

Gem Diamonds Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
FCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.29 1.67 -15.77 15.00 -8.32

Gem Diamonds Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
FCF Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -26.00 19.34 10.56 -40.44 19.16

GMDMF vs HL: FCF Margin % Comparison

For the Other Precious Metals & Mining subindustry, Gem Diamonds's FCF Margin %, along with its competitors' market caps and FCF Margin % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.

Gem Diamonds FCF Margin % vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Gem Diamonds's FCF Margin % distribution charts can be found below:

* The bar in red indicates where Gem Diamonds's FCF Margin % falls into.


Gem Diamonds FCF Margin % Calculation

FCF margin is the ratio of Free Cash Flow divided by net sales or Revenue, usually presented in percent.

Gem Diamonds's FCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=-8.186/98.414
=-8.32 %

Gem Diamonds's FCF Margin for the quarter that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=10.163/53.045
=19.16 %

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about FCF Margin % →
What does a FCF Margin % of 19.16% mean?
Gem Diamonds (GMDMF) has a FCF Margin % of 19.16% as of Dec. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Gem Diamonds and its competitors. According to the industry distribution chart, Gem Diamonds ranks #499 out of 847 companies in the Metals & Mining industry, placing it in the top 58.9%.
Is Gem Diamonds' FCF Margin % too high?
Gem Diamonds' current FCF Margin % is 19.16%. Based on the distribution chart, Gem Diamonds ranks #499 out of 847 companies in the Metals & Mining industry, which is below the industry midpoint.
How does Gem Diamonds' FCF Margin % compare to HL?
According to the Metals & Mining industry distribution chart, Gem Diamonds ranks #499 out of 847 companies for FCF Margin %. This places Gem Diamonds in the lower half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for a Metals & Mining company?
A good FCF Margin % depends on the Metals & Mining industry context. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Gem Diamonds and its competitors. Gem Diamonds's current FCF Margin % is 19.16%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Gem Diamonds stock overvalued right now?
Based on GuruFocus' analysis, Gem Diamonds (GMDMF) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.03, compared to a current price of $0.04 — trading 43.8% above its estimated fair value. The current FCF Margin % is 19.16%. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Gem Diamonds (GMDMF), the current FCF Margin % is 19.16% as of Dec. 2025. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Gem Diamonds Business Description

Other Exchanges GEMDl:UKGEMD:UKZVW:Germany
Address 2 Eaton Gate, London, GBR, SW1W 9BJ
Gem Diamonds Ltd is a United Kingdom-based company engaged in the exploration and development of diamond mines. The company's geographical segments include Lesotho (diamond mining activities); Belgium (sales, marketing, and manufacturing of diamonds); and BVI, RSA, the UK, and Cyprus (technical and administrative services) and Botswana (diamond mining activities, currently on care and maintenance). It generates maximum revenue from the Belgium region. Its projects include Letseng Diamond mine and Ghaghoo Diamond mine. The company's revenue is derived from mining activities, polished manufacturing margins, and diamond analysis and manufacturing services.