GMDMF (Gem Diamonds) ROCE %: -47.50% (As of Dec. 2025)


What is Gem Diamonds ROCE %?

Gem Diamonds GMDMF ROCE % is -47.50% as of Dec. 2025. The stock has 5 warning signs investors should review.

ROCE % measures how well a company generates profits from its capital. It is calculated as EBIT divided by Capital Employed, where Capital Employed is calculated as Total Assets minus Total Current Liabilities. Gem Diamonds's annualized ROCE % for the quarter that ended in Dec. 2025 was -47.50%.

Gem Diamonds  (OTCPK:GMDMF) ROCE % Explanation

ROCE % can be especially useful when comparing the performance of capital-intensive companies. Unlike ROE %, which indicates the profitability of Shareholders Equity, ROCE % also considers long-term debt in Capital Employed. This can be helpful when analyzing companies with significant debt, as the result is neutralized by taking debt into consideration.

Generally speaking, a higher ROCE % indicates a stonger profitability for a company. Moreover, it is important to look at the ratio from a long term perspective. Investors tend to favor companies with stable and rising ROCE % trend over those with volatile ones.

Gem Diamonds ROCE % Related Terms

Gem Diamonds ROCE % Historical Data

* Premium members only.

The historical data trend for Gem Diamonds's ROCE % 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 ROCE % Chart

Gem Diamonds Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
ROCE %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 13.31 9.65 2.84 5.57 -30.18

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
ROCE % 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 1.95 8.65 2.27 -10.55 -47.50

Gem Diamonds ROCE % Calculation

Gem Diamonds's annualized ROCE % for the fiscal year that ended in Dec. 2025 is calculated as:

ROCE %=EBIT/( (Capital Employed+Capital Employed)/ count )
(A: Dec. 2025 )  (A: Dec. 2024 )(A: Dec. 2025 )
=EBIT/( ( (Total Assets - Total Current Liabilities)+(Total Assets - Total Current Liabilities) )/ count )
(A: Dec. 2025 )  (A: Dec. 2024 )(A: Dec. 2025 )
=-87.146/( ( (349.101 - 25.427) + (279.804 - 25.978) )/ 2 )
=-87.146/( (323.674+253.826)/ 2 )
=-87.146/288.75
=-30.18 %

Gem Diamonds's ROCE % of for the quarter that ended in Dec. 2025 is calculated as:

ROCE %=EBIT (1)/( (Capital Employed+Capital Employed)/ count )
(Q: Dec. 2025 )  (Q: Jun. 2025 )(Q: Dec. 2025 )
=EBIT/( ( (Total Assets - Total Current Liabilities)+(Total Assets - Total Current Liabilities) )/ count )
(Q: Dec. 2025 )  (Q: Jun. 2025 )(Q: Dec. 2025 )
=-139.61/( ( (350.104 - 16.076) + (279.804 - 25.978) )/ 2 )
=-139.61/( ( 334.028 + 253.826 )/ 2 )
=-139.61/293.927
=-47.50 %

(1) Note: The EBIT data used here is two times the semi-annual (Dec. 2025) EBIT data.

* 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 ROCE % →
What does a ROCE % of -47.50% mean?
Gem Diamonds (GMDMF) has a ROCE % of -47.50% as of Dec. 2025.
Is Gem Diamonds' ROCE % too high?
Gem Diamonds' current ROCE % is -47.50%.
How does Gem Diamonds' ROCE % compare to HL?
Gem Diamonds' ROCE % of -47.50% can be compared against companies in the Metals & Mining industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROCE % for a Metals & Mining company?
A good ROCE % depends on the Metals & Mining industry context. However, ROCE % 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 ROCE % mean?
A high ROCE % can signal that a stock is expensive relative to its fundamentals. Gem Diamonds's current ROCE % is -47.50%. 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 ROCE % is -47.50%. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROCE % calculated?
ROCE % is calculated from a company's financial statements. For Gem Diamonds (GMDMF), the current ROCE % is -47.50% 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.