Gem DiamondsGMDMF EBITDA Margin % is -90.62% as of Dec. 2025. The stock has 5 warning signs investors should review. Among 841 Metals & Mining companies, Gem Diamonds ranks worse than 76.58% on this metric.
EBITDA Margin % is calculated as EBITDA divided by its Revenue. Gem Diamonds's EBITDA for the
six
months ended in Dec. 2025 was $-48.07 Mil. Gem Diamonds's Revenue for the
six
months ended in Dec. 2025 was $53.05 Mil. Therefore, Gem Diamonds's EBITDA margin for the quarter that ended in Dec. 2025 was -90.62%.
EBITDA Margin % is the ratio of EBITDA divided by net sales or Revenue. It is an performance metric measuring company's operating profitability. EBITDA Margin takes depreciation and amortization, interest expense and tax into account, which makes it easy to compare the relative profitability of companies of different sizes in the same industry.
Gem Diamonds EBITDA Margin % Related Terms
Gem Diamonds EBITDA Margin % Historical Data
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The historical data trend for Gem Diamonds's EBITDA 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.
For the Other Precious Metals & Mining subindustry, Gem Diamonds's EBITDA Margin %, along with its competitors' market caps and EBITDA 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 EBITDA Margin % vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Gem Diamonds's EBITDA Margin % distribution charts can be found below:
* The bar in red indicates where Gem Diamonds's EBITDA Margin % falls into.
* 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 (GMDMF) has a EBITDA Margin % of -90.62% as of Dec. 2025. EBITDA Margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent. View historical data on Gem Diamonds and its competitors. According to the industry distribution chart, Gem Diamonds ranks #644 out of 841 companies in the Metals & Mining industry, placing it in the top 76.6%.
Is Gem Diamonds' EBITDA Margin % too high?
Gem Diamonds' current EBITDA Margin % is -90.62%. Based on the distribution chart, Gem Diamonds ranks #644 out of 841 companies in the Metals & Mining industry, which is in the bottom quartile relative to peers.
How does Gem Diamonds' EBITDA Margin % compare to HL?
According to the Metals & Mining industry distribution chart, Gem Diamonds ranks #644 out of 841 companies for EBITDA Margin %. This places Gem Diamonds in the lower half of its industry. The industry median EBITDA Margin % is 8.89. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good EBITDA Margin % for a Metals & Mining company?
The median EBITDA Margin % among Metals & Mining companies is 8.89, based on 841 companies in the industry. Companies in the top quartile (top 25%) have a EBITDA Margin % significantly above this median, while those in the bottom quartile fall well below. However, EBITDA 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 EBITDA Margin % mean?
A high EBITDA Margin % can signal that a stock is expensive relative to its fundamentals. EBITDA Margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent. View historical data on Gem Diamonds and its competitors. For the Metals & Mining industry, the median EBITDA Margin % is 8.89 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Gem Diamonds's current EBITDA Margin % is -90.62%. 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 EBITDA Margin % is -90.62%. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EBITDA Margin % calculated?
EBITDA Margin % is calculated from a company's financial statements. For Gem Diamonds (GMDMF), the current EBITDA Margin % is -90.62% 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 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.
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