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Petra Diamonds Ltd (PDL) fair value: what the stock is really worth

As of Sep 28, 2026: fair value of Petra Diamonds Ltd £0.07, price £0.06, upside +13.0%, quality 20 out of 100. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.

  1. Fair value above price? Yes
  2. Good quality? No
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Basic Materials · GB · ISIN BMG702782084

PD Thin data Sep 27, 2026

Petra Diamonds Ltd

PDL · LSE

SpeculativeUpside exists, but weak quality makes the signal speculative.

✓Fair value £0.0671 · Undervalued (+13.0%)
!Quality 20/100
!Weak Growth (revenue 5y −8.0 %/yr)
!Loss-making · -95.8% net margin (TTM)
!High debt · negative free cash flow
!Mixed vs. peers (4/10)
!Narrow moat 10/100
!Evidence only low, so the estimate is less certain
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What runs behind every stock

26 valuation models 8 families, DCF to NCAV 37 quality factors margins, balance sheet, cashflow, debt 6 AI factors moat, what no ratio measures 2,000+ data points verified, per stock, median

69 individual criteria per stock, every one traceable See the method →

Price vs Fair Value

£1.27 £0.0530 Fair Value £0.0671 Jul 2021 Sep 2026

White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Sep 27, 2026.

How to read this chart

60‑month range £0.0530 – £1.27 · fair‑value band £0.0422 – £0.0795 · the £0.0594 price screens below the £0.0671 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). 1 fiscal year is left out: there the valuation rested on only a fraction of the usual models. Dashed = 300-day average. As of Sep 27, 2026.

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Company profile

Petra Diamonds Limited engages in the mining, processing, sorting, and sale of rough diamonds in South Africa and Tanzania. The company operates through Mining and Beneficiation segments. The company's flagship asset is the Cullinan Mine in South Africa. It also provides exploration, treasury, beneficiation, community development, and other services.

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Petra Diamonds Limited engages in the mining, processing, sorting, and sale of rough diamonds in South Africa and Tanzania. The company operates through Mining and Beneficiation segments. The company's flagship asset is the Cullinan Mine in South Africa. It also provides exploration, treasury, beneficiation, community development, and other services. Petra Diamonds Limited was incorporated in 1997 and is based in London, the United Kingdom.

Stock analysis

Petra Diamonds Ltd (PDL) currently trades at £0.0594, while our model-based Fair Value estimate is £0.0671, implying the stock looks roughly 11.5% undervalued today.

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Valuation

Bull case: the Asset-Based group reads highest at a median of £0.1500 per share, and 3 of the 3 models we run sit above the £0.0594 price.

Bear case: the Dividend Discount group reads lowest at £0.0900, and 0 of the 3 models stay below the price. Evidence for this calculation is low.

Scenario range: £0.0422 (bear) to £0.0795 (bull), the price of £0.0594 sits inside it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.

Quality & growth

The Quality Score stands at 20/100 (below-average quality), in the Basic Materials sector.

Weak Growth: Revenue is shrinking: the last year, the last three and the last five years are all negative.

Petra Diamonds Ltd reported revenue of £160M in FY2025 versus £407M in FY2021, a compound −20.8%/yr. Reported net income was −£66.5M in FY2025.

Key figures

Market cap 25.5M GBX · P/S ratio 0.13 · EPS (TTM) £−0.7600 · Dividend yield 7.8% · Net margin −41.5% · Return on equity −609% · Return on assets (EBIT) −0.4% · Operating margin −176%.

Competitive moat

Our AI-assisted moat analysis scores the competitive advantage at 38 out of 100 (low confidence).

What moves the price

The share trades about 70% below its 52-week high and 12% above its 52-week low, currently below its 200-day average.

For context, the median of 10 Basic Materials peers we cover trades at −19% fair-value upside, at 13%, PDL screens cheaper than that median.

Fair Value models

Bear £0.0422 Fair Value £0.0671 Bull £0.0795
Model ⓘEach model values the company its own way (discounted cash flow, earnings, assets, dividends). The fair value above is their evidence-weighted blend, not the output of a single model. Bear ⓘBear = the cautious scenario: the same model computed with conservative anchors (lower growth, margins and valuation multiples). Together with Bull it frames a plausible valuation range, not a price target.BaseBull ⓘBull = the optimistic scenario: the same model computed with favourable anchors (higher growth, margins and valuation multiples). Together with Bear it frames a plausible valuation range, not a price target. If a model's bull case is above four times its base value, the table shows that limit with a > sign (like the overall Bull above): beyond it no assumption holds. Evidence ⓘEvidence = how well-backed THIS model's estimate is for this stock (0–100): how complete and reliable its input data are, and how well the model fits the company. The final Fair Value is an evidence-weighted blend, so better-evidenced models count more. Green ≥70, amber 50–69, grey below 50.
Highest evidence
Gordon GGM £0.0500 £0.1000 £0.1500 67
DDM Multi-Stage £0.0500 £0.0900 £0.1000 67
NCAV (Graham) £0.1100 £0.1500 £0.2300 53
All 3 models by family
Dividend Discount
Gordon GGM £0.0500 £0.1000 £0.1500 67
DDM Multi-Stage £0.0500 £0.0900 £0.1000 67
Asset-Based
NCAV (Graham) £0.1100 £0.1500 £0.2300 53

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Quality Score breakdown

Overall quality 20/100

Of which business quality 21 · Market factors (momentum, volatility) 19

Profitability 5
Margins and returns on capital today
Quality Growth 3
Are margins and returns improving?
Cashflow 20
Earnings quality: real cash, not paper profit
Fin. Strength 11
Balance sheet, leverage, solvency risk
Investment 67
Disciplined investing over empire-building
Low Volatility 50
Calm price path (market factor)
Momentum 9
Price trend over the last 3–12 months (market factor)
52W Momentum 2
Distance to the 52-week high (market factor)
Net Issuance 43
Share count: buybacks or dilution?

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Revenue & earnings trend

Growth Quality ⓘGrowth is valuable only when reinvestment earns attractive returns (Aswath Damodaran): sustainable growth depends on return on capital, reinvestment and efficiency. Basis: total company revenue over the periods shown on the cards (3Y/5Y/all years), not per share, so a merger can show up as a growth jump; per-share earnings growth is in the value-creation card. 0/100
Revenue is shrinking: the last year, the last three and the last five years are all negative.
Revenue growth 1 year
−56.4%
Revenue growth 3 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
−34.3%
Revenue growth 5 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
−8.0%
Start year 2020 (pandemic). Over 10 years: −9.3% a year
Revenue growth 24 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
+51.8%
Profit margin (trend) ⓘOperating margin then vs now, from reported annual statements. A falling margin after a boom year is the classic peak-earnings signal: the growth rate then leans on an inflated base.
−1.4% (2020) → −41.1% (2025)
What shareholders gained per year ⓘWe only publish this rate when it is defensible. Reason: fiscal 2025 is a loss year, no rate is defined from a loss
not computed

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Peer GroupⓘHow this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.Other Precious Metals & Mining · 105 stocks

Beats the industry median on 4/10 measures
A mixed picture versus its industry peers.
Valuation
Quality Score 20 · Bottom 25%
Fair Value upside +13.0% · Top 25%
Profitability
Return on assets −31.2% · Bottom 25%
Net margin (TTM) −95.8% · Bottom 25%
Operating margin (TTM) −176.0% · Bottom 25%
Growth and dividend
Revenue growth −13.0% · Below median
Dividend yield (TTM) 7.8% · Top 25%
Balance sheet
Debt / equity 3.07× · Highest 25%

Valuation Multiplesvs Other Precious Metals & Mining median · lower = cheaper

P/B 0.42× · Cheapest 25%
P/S (TTM) 0.18× · Cheapest 25%

Strength profile in five axes (Snowflake)

VALUEFUTUREPASTHEALTHDIVIDEND
This stock
VALUEFUTUREPASTHEALTHDIVIDEND
Sector peers
VALUE (fair-value potential)51 · sector 0
FUTURE (revenue growth)0 · sector 72
PAST (return on equity)0 · sector 0
HEALTH (low debt)0 · sector 98
DIVIDEND (yield)100 · sector 58

Context: sector, industry, market

Values & ESG

Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.

None of the checked exposures detected

Similar stocks

10 more Other Precious Metals & Mining stocks, each showing price versus our Fair Value estimate.

Stock Price Fair Value vs Fair Value
PT Amman Mineral Internasional Tbk AMMN 4,720 IDR 876.15 IDR −81%
Hecla Mining Company HL $18.19 $16.30 −10%
Compañía de Minas Buenaventura S.A. BVN $33.17 $26.98 −19%
Sibanye Stillwater Limited SBSW $10.61 $14.99 +41%
China Gold International Resources Corp CGG C$40.81 C$44.89 +10%
Artemis Gold Inc ARTG C$40.20 C$15.84 −61%
Triple Flag Precious Metals Corp TFPM $32.19 $32.48 +1%
PT Merdeka Battery Materials Tbk. MBMA 500.00 IDR 73.97 IDR −85%
Perpetua Resources Corp PPTA $21.82 $6.07 −72%
Sino-Platinum Metals Co 600459 ¥18.53 ¥13.23 −29%

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£0.0671 +11%Fair Value
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Cite: Fair Value Calculator (2026). "Petra Diamonds Ltd Fair Value". https://www.fairvalue-calculator.com/stock/PDL

Frequently asked questions

Is Petra Diamonds Ltd (PDL) overvalued or undervalued?
As of Sep 27, 2026, our model estimates a fair value of £0.0671 versus a price of £0.0594, about +13% upside (undervalued).
What is the fair value of PDL?
Our model-based fair value for Petra Diamonds Ltd is £0.0671 (as of Sep 27, 2026), built from audited fundamentals. The current price: £0.0594.
What is the quality score of PDL?
Petra Diamonds Ltd has a Quality Score of 20/100. It measures business quality (profitability, growth, cash flow, balance-sheet strength, investment discipline, share issuance). Market factors such as price momentum and volatility do not enter the number; they are shown separately in the detail view.
What is the price target for Petra Diamonds Ltd (PDL)?
Our model-based price target is the fair value of £0.0671 (as of Sep 27, 2026) from 3 valuation models. Cautious scenario £0.0422, optimistic scenario £0.0795. It is a calculation from audited fundamentals, not an analyst target.
What is the Petra Diamonds Ltd stock forecast for 2026?
Our models put fair value at £0.0671, about +13% upside versus a price of £0.0594 (undervalued). Cautious scenario £0.0422, optimistic scenario £0.0795. The calculation is refreshed regularly with new filings.
What is the revenue of Petra Diamonds Ltd (PDL)?
Petra Diamonds Ltd reported trailing-twelve-month revenue of about £192M (latest available figure, as of Sep 27, 2026).
Does Petra Diamonds Ltd pay a dividend?
Petra Diamonds Ltd currently shows a dividend yield of about 7.83% relative to its recent price (as of Sep 27, 2026).
What is the intrinsic value of Petra Diamonds Ltd (PDL)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For Petra Diamonds Ltd it is £0.0671 per share (as of Sep 27, 2026), against a price of £0.0594. It is the blended result of 3 valuation models (cash flow, earnings, asset, dividend).
Is Petra Diamonds Ltd stock overvalued or undervalued in 2026?
As of Sep 27, 2026, PDL trades below its calculated fair value: price £0.0594, fair value £0.0671, a gap of about +13% (undervalued). The calculation is refreshed with each new quarterly report, so the verdict can change during the year.
Is fair value the same as the market price of PDL?
No. The price is what the market pays today (£0.0594); the fair value is what the company's own numbers justify (£0.0671). For Petra Diamonds Ltd the two are £0.0077 per share apart. That gap is exactly why we show both numbers side by side.
How much is Petra Diamonds Ltd worth?
The market values Petra Diamonds Ltd at about 25.5M GBX (market capitalisation, as of Sep 27, 2026). Per share that is £0.0594; our models calculate a fair value of £0.0671 per share.
What do the bullish and bearish scenarios say about PDL?
Our models span a range for Petra Diamonds Ltd: cautious scenario £0.0422, base £0.0671, optimistic £0.0795 per share (as of Sep 27, 2026, price £0.0594). The range comes from different growth and margin assumptions, not from analyst opinions.
How solid is the balance sheet of Petra Diamonds Ltd (PDL)?
Balance-sheet figures for Petra Diamonds Ltd (as of Sep 27, 2026): debt of 3.07 per unit of equity. They feed the Quality Score of 20/100, which measures business quality independently of the share price.
How far is PDL from its 52-week high?
Petra Diamonds Ltd trades at £0.0594, about 70% below its 52-week high of £0.2000 and 12% above the low of £0.0530 (as of Sep 28, 2026). Distance from the high says nothing about value: that is what the fair value of £0.0671 is for.
Which stocks are comparable to Petra Diamonds Ltd?
From the same area (Basic Materials) we also value PT Amman Mineral Internasional Tbk, Hecla Mining Company, Compañía de Minas Buenaventura S.A., Sibanye Stillwater Limited, among others. Each of them has its own fair-value calculation on this site using the same models, so the comparison is like for like.
Is Petra Diamonds Ltd stock attractive at the current price?
The data as of Sep 27, 2026: price £0.0594, calculated fair value £0.0671 (+13%), Quality Score 20/100, from 3 models. Whether that fits your horizon and risk tolerance is your call. We provide the calculation, not investment advice.
How is the fair value of PDL calculated?
We run Petra Diamonds Ltd through 3 models from four families: discounted cash flow, earnings models, asset and balance-sheet models, and dividend models. Every model gets the same audited fundamentals; the result is the weighted average of £0.0671, with the spread shown as a cautious and an optimistic scenario.
Is it still worth investing in stocks now?
The global stock market currently sits 15.9 % above its aggregate fair value. Petra Diamonds Ltd currently trades 13 % below its own fair value, and the market average says nothing about that. An expensive market is no reason to stay out and no reason to buy everything at once: keep a broad savings plan running, buy single stocks only with money you can do without, and hold part of your money liquid while the market is high. The full picture including sectors is on is it worth investing now.
What is the share price of Petra Diamonds Ltd (PDL)?
The closing price on Sep 28, 2026 was £0.0594. Our model-based fair value is £0.0671, about +13% upside (undervalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with Petra Diamonds Ltd right now?
A fairly wide model range (£0.0422 to £0.0795) leaves room in how you read the outcome. Evidence is limited here (fewer models, shorter history), so the fair value is a rougher estimate than usual.

Key figures of Petra Diamonds Ltd

How large is the market capitalisation of Petra Diamonds Ltd (PDL)?
The market capitalisation of Petra Diamonds Ltd is 25.5M GBX. The stock-market value of the whole company: share price times number of shares. It is what the market asks for the entire business today.
What is the P/S ratio of Petra Diamonds Ltd (PDL)?
The price-to-sales ratio of Petra Diamonds Ltd is 0.13 (last twelve months). Price to sales: market value relative to yearly revenue. Useful when profit is thin or distorted.
What are the earnings per share of Petra Diamonds Ltd (PDL)?
Earnings per share at Petra Diamonds Ltd are £−0.7600. Earnings per share over the last twelve months: total profit spread across every single share.
What is the dividend yield of Petra Diamonds Ltd (PDL)?
The dividend yield of Petra Diamonds Ltd is 7.8%. Yearly dividend relative to the share price. 3% pays 3 per 100 invested. Below: how much of profit is used for it.
What is the net margin of Petra Diamonds Ltd (PDL)?
The net margin of Petra Diamonds Ltd is −41.5% (fiscal year 2025). How much of every unit of revenue ends up as profit. 10% means 10 cents of profit per dollar of sales.
What is the return on equity of Petra Diamonds Ltd (PDL)?
The return on equity (ROE) of Petra Diamonds Ltd is −609% (last twelve months). Profit relative to shareholders' equity, how efficiently the company works with its owners' money.
What is the EBIT return on assets of Petra Diamonds Ltd (PDL)?
On an EBIT basis the return on assets of Petra Diamonds Ltd is −0.4% (avg 5y). Operating profit (EBIT) relative to everything the company owns, as a multi-year average. It describes the business model rather than one good or bad year.
What is the operating margin of Petra Diamonds Ltd (PDL)?
The operating margin of Petra Diamonds Ltd is −176% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at Petra Diamonds Ltd (PDL)?
Revenue at Petra Diamonds Ltd is growing −13.0% versus a year earlier (3y avg −34.3%). How much revenue grew versus a year earlier (YoY). The 3-year average next to it puts the single year in context.
How fast are earnings growing at Petra Diamonds Ltd (PDL)?
Earnings per share at Petra Diamonds Ltd are growing −87.4% versus a year earlier. How much earnings per share grew versus a year earlier.
How much free cash flow does Petra Diamonds Ltd (PDL) generate?
The free cash flow of Petra Diamonds Ltd is −£33.2M (fiscal year 2025). The cash truly left after running and investing in the business, this is what pays dividends and buybacks.
How much net debt does Petra Diamonds Ltd (PDL) carry?
The net debt of Petra Diamonds Ltd is £212M (fiscal year 2025). Debt minus cash on hand. The note shows how many years of free cash flow could in theory pay it off.
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