GMDMF (Gem Diamonds) EV-to-EBIT: -1.13 (As of Aug. 04, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

What is Gem Diamonds EV-to-EBIT?

Gem Diamonds GMDMF EV-to-EBIT is -1.13 as of Aug. 04, 2026. The stock has 5 warning signs investors should review. Among 668 Metals & Mining companies, Gem Diamonds ranks worse than 149700.45% on this metric.

EV-to-EBIT is calculated as Enterprise Value divided by its EBIT. As of today, Gem Diamonds's Enterprise Value is $98.62 Mil. Gem Diamonds's EBIT for the trailing twelve months (TTM) ended in Dec. 2025 was $-87.15 Mil. Therefore, Gem Diamonds's EV-to-EBIT for today is -1.13.

The historical rank and industry rank for Gem Diamonds's EV-to-EBIT or its related term are showing as below:

GMDMF' s EV-to-EBIT Range Over the Past 10 Years
Min: -2.32   Med: 3.93   Max: 14.32
Current: -1.14

During the past 13 years, the highest EV-to-EBIT of Gem Diamonds was 14.32. The lowest was -2.32. And the median was 3.93.

GMDMF's EV-to-EBIT is ranked worse than
100% of 668 companies
in the Metals & Mining industry
Industry Median: 11.7 vs GMDMF: -1.14

Joel Greenblatt calls the inversion of this ratio Earnings Yield (Joel Greenblatt) %. Gem Diamonds's Enterprise Value for the quarter that ended in Dec. 2025 was $94.36 Mil. Gem Diamonds's EBIT for the trailing twelve months (TTM) ended in Dec. 2025 was $-87.15 Mil. Gem Diamonds's Earnings Yield (Joel Greenblatt) % for the quarter that ended in Dec. 2025 was -92.36%.


Gem Diamonds  (OTCPK:GMDMF) EV-to-EBIT Explanation

This is a more accurate valuation of companies' operation because it considers the debt and cash on its balance sheet, and non-operating items such as interest payment, tax, and one-time items are not included in the Operating Income.

Joel Greenblatt calls the inversion of this ratio Earnings Yield (Joel Greenblatt) %.

Gem Diamonds's Earnings Yield (Joel Greenblatt) % for the quarter that ended in Dec. 2025 is calculated as:

Earnings Yield (Joel Greenblatt) % (Q: Dec. 2025 ) =EBIT / Enterprise Value (Q: Dec. 2025 )
=-87.146/94.3580606
=-92.36 %

Gem Diamonds's Enterprise Value for the quarter that ended in Dec. 2025 was $94.36 Mil.
For company reported semi-annually, GuruFocus uses latest annual data as the TTM data. Gem Diamonds's EBIT for the trailing twelve months (TTM) ended in Dec. 2025 was $-87.15 Mil.

* 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 EV-to-EBIT Related Terms


Gem Diamonds EV-to-EBIT Historical Data

* Premium members only.

The historical data trend for Gem Diamonds's EV-to-EBIT 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 EV-to-EBIT Chart

Gem Diamonds Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
EV-to-EBIT
Get a 7-Day Free Trial Premium Member Only Premium Member Only 3.41 4.18 13.99 6.22 -1.13

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
EV-to-EBIT 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 13.99 0.00 6.22 0.00 -1.13

GMDMF vs HL: EV-to-EBIT Comparison

For the Other Precious Metals & Mining subindustry, Gem Diamonds's EV-to-EBIT, along with its competitors' market caps and EV-to-EBIT 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 EV-to-EBIT vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Gem Diamonds's EV-to-EBIT distribution charts can be found below:

* The bar in red indicates where Gem Diamonds's EV-to-EBIT falls into.



Gem Diamonds EV-to-EBIT Calculation

Gem Diamonds's EV-to-EBIT for today is calculated as:

EV-to-EBIT=Enterprise Value (Today)/EBIT (TTM)
=98.622/-87.146
=-1.13

Gem Diamonds's current Enterprise Value is $98.62 Mil.
For company reported semi-annually, GuruFocus uses latest annual data as the TTM data. Gem Diamonds's EBIT for the trailing twelve months (TTM) ended in Dec. 2025 was $-87.15 Mil.

* 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 EV-to-EBIT →
What does a EV-to-EBIT of -1.13 mean?
Gem Diamonds (GMDMF) has a EV-to-EBIT of -1.13 as of Aug. 04, 2026. EV to EBIT ratio is the inverse of Joel Greenblatt's earnings yield definition. View historical data on Gem Diamonds and its competitors. According to the industry distribution chart, Gem Diamonds ranks #999999 out of 668 companies in the Metals & Mining industry.
Is Gem Diamonds' EV-to-EBIT too high?
Gem Diamonds' current EV-to-EBIT is -1.13. Based on the distribution chart, Gem Diamonds ranks #999999 out of 668 companies in the Metals & Mining industry, which is in the bottom quartile relative to peers.
How does Gem Diamonds' EV-to-EBIT compare to HL?
According to the Metals & Mining industry distribution chart, Gem Diamonds ranks #999999 out of 668 companies for EV-to-EBIT. This places Gem Diamonds in the lower half of its industry. The industry median EV-to-EBIT is 11.70. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good EV-to-EBIT for a Metals & Mining company?
The median EV-to-EBIT among Metals & Mining companies is 11.70, based on 668 companies in the industry. Companies in the top quartile (top 25%) have a EV-to-EBIT significantly above this median, while those in the bottom quartile fall well below. However, EV-to-EBIT 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 EV-to-EBIT mean?
A high EV-to-EBIT can signal that a stock is expensive relative to its fundamentals. EV to EBIT ratio is the inverse of Joel Greenblatt's earnings yield definition. View historical data on Gem Diamonds and its competitors. For the Metals & Mining industry, the median EV-to-EBIT is 11.70 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Gem Diamonds's current EV-to-EBIT is -1.13. 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 $0.05 — trading 66.7% above its estimated fair value. The current EV-to-EBIT is -1.13. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EV-to-EBIT calculated?
EV-to-EBIT is calculated from a company's financial statements. For Gem Diamonds (GMDMF), the current EV-to-EBIT is -1.13 as of Aug. 04, 2026. 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.