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.
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.
Petra DiamondsCHIX:PDLL +14.01% 3-Year Book Growth Rate is -40.50% as of Dec. 2025. The stock has 2 warning signs investors should review. Among 2,189 Metals & Mining companies, Petra Diamonds ranks worse than 87.44% on this metric.
During the past 12 months, Petra Diamonds's average Book Value per Share Growth Rate was -103.40% per year.
During the past 3 years, the average Book Value per Share Growth Rate was -40.50% per year.
During the past 5 years, the average Book Value per Share Growth Rate was -21.10% per year.
During the past 10 years, the average Book Value per Share Growth Rate was -37.80% per year.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.
During the past 13 years, the highest 3-Year average Book Value per Share Growth Rate of Petra Diamonds was 330.50% per year. The lowest was -66.00% per year. And the median was -3.80% per year.
Petra Diamonds (CHIX:PDLl) 3-Year Book Growth Rate Explanation
Book Value per Share is the ratio of equity available to common shareholders divided by the shares outstanding. Book value per share effectively indicates a firm's net asset value on a per-share basis. It can be used by investors to gauge whether a stock price is undervalued by comparing it to the firm's market value per share. Theoretically, it is what the shareholders will receive if the company is liquidated.
Petra Diamonds 3-Year Book Growth Rate Related Terms
CHIX:PDLL vs HL: 3-Year Book Growth Rate Comparison
For the Other Precious Metals & Mining subindustry, Petra Diamonds's 3-Year Book Growth Rate, along with its competitors' market caps and 3-Year Book Growth Rate 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.
Petra Diamonds 3-Year Book Growth Rate vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Petra Diamonds's 3-Year Book Growth Rate distribution charts can be found below:
* The bar in red indicates where Petra Diamonds's 3-Year Book Growth Rate falls into.
Petra Diamonds 3-Year Book Growth Rate Calculation
This is the 3-year average growth rate of Book Value per Share. The growth rate is calculated using exponential compounding based on the latest four year annual data.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.
What does a 3-Year Book Growth Rate of -40.50% mean?
Petra Diamonds (CHIX:PDLL) has a 3-Year Book Growth Rate of -40.50% as of Dec. 2025. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Petra Diamonds and its competitors. According to the industry distribution chart, Petra Diamonds ranks #1914 out of 2189 companies in the Metals & Mining industry, placing it in the top 87.4%.
Is Petra Diamonds' 3-Year Book Growth Rate too high?
Petra Diamonds' current 3-Year Book Growth Rate is -40.50%. Based on the distribution chart, Petra Diamonds ranks #1914 out of 2189 companies in the Metals & Mining industry, which is in the bottom quartile relative to peers.
How does Petra Diamonds' 3-Year Book Growth Rate compare to HL?
According to the Metals & Mining industry distribution chart, Petra Diamonds ranks #1914 out of 2189 companies for 3-Year Book Growth Rate. This places Petra 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 3-Year Book Growth Rate for a Metals & Mining company?
A good 3-Year Book Growth Rate depends on the Metals & Mining industry context. However, 3-Year Book Growth Rate 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 3-Year Book Growth Rate mean?
A high 3-Year Book Growth Rate can signal that a stock is expensive relative to its fundamentals. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Petra Diamonds and its competitors. Petra Diamonds's current 3-Year Book Growth Rate is -40.50%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Petra Diamonds stock overvalued right now?
Based on GuruFocus' analysis, Petra Diamonds (CHIX:PDLL) is currently considered Possible Value Trap. The stock's GF Value™ is £0.26, compared to a current price of £0.07 — trading 73.1% below its estimated fair value. The current 3-Year Book Growth Rate is -40.50%. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Book Growth Rate calculated?
3-Year Book Growth Rate is calculated from a company's financial statements. For Petra Diamonds (CHIX:PDLL), the current 3-Year Book Growth Rate is -40.50% 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.
Petra Diamonds Ltd is an independent diamond mining company. It focuses on the upstream segment of the diamond pipeline, which includes mining, processing, sorting, and selling rough diamonds. It operates in Southern Africa, with mines such as Cullinan and Finsch producing high-quality white and rare blue diamonds. Its operating and geographical segments are: a) Mining: The extraction and sale of rough diamonds from mining operations in South Africa and Tanzania, b) Corporate: Administrative activities in the United Kingdom, c) Beneficiation: Beneficiation activities in South Africa. The majority of revenue is generated from the sale of rough diamonds.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
CHIX:PDLL has been successfully added to your 
