Investing in Gold and Precious Metals: A Complete Guide

Introduction: Why Precious Metals Fascinate Investors

For millennia, gold has occupied a unique place in the economic history of humanity. Before the invention of fiat money, ancient civilizations used precious metals as a store of value and medium of exchange. Today, in a context marked by inflation, geopolitical tensions, and financial market volatility, the appeal of gold and its metallic cousins (silver, platinum, palladium) has never been stronger.

In 2025, the price of gold crossed the symbolic threshold of 2,500 dollars per ounce, continuing an upward trend that began in the early 2000s. Central banks around the world continue to accumulate gold reserves, reinforcing its credibility as a strategic asset. For the French saver, precious metals represent a diversification option worth serious consideration, provided you understand the mechanisms, taxation, and limitations.

This guide reviews all the possibilities offered by precious metals investment, from physical gold bars to indexed ETFs, addressing each aspect with the rigor needed for an informed decision.

Physical Gold: Coins, Bars, and Small Bars

Different Forms of Physical Gold

Physical gold comes in several formats, each with its own characteristics:

The one-kilogram bar: the most well-known form. Its price fluctuates around 70,000 to 80,000 euros depending on spot prices. It must be accompanied by an assay certificate (bulletin de controle) issued by a refiner accredited by the LBMA (London Bullion Market Association). The bar remains reserved for substantial portfolios.
Small bars (lingotins): available in 5g, 10g, 20g, 50g, 100g, or 500g, they offer much greater accessibility. However, their premium over the spot gold price is higher than that of the full bar (3 to 8% depending on weight).
Investment gold coins: Napoleon 20 francs, British Sovereign, South African Krugerrand, American Eagle, Canadian Maple Leaf. The premium (difference between the coin price and the value of its gold content) varies considerably depending on rarity, condition, and demand.

Where to Buy Physical Gold

Several channels are available to buyers:

Specialist dealers: CPoR Devises (a Banque de France subsidiary), Comptoir National de l'Or, AuCoffre.com. They guarantee authenticity and provide the invoices needed for tax tracking.
Banks: some bank branches can order coins or bars, but lead times are often long and fees higher.
Online platforms: Gold.fr, BullionVault, AuCoffre.com. They offer purchase with storage in a secure vault, avoiding the issue of personal safekeeping.

Watch out for scams

The AMF regularly warns against fraudulent platforms offering physical gold at abnormally low prices or with guaranteed returns. Always verify that the seller is an identifiable professional with a SIRET number and a physical address. Never buy gold from unverified sites or following unsolicited phone calls.

The Storage Question

Holding physical gold requires solving the storage problem. Three main options exist:

At home: in a safe bolted to the floor or wall. Home insurance must specifically cover precious metals, which entails an additional premium. The risk of burglary remains.
Bank safe deposit box: annual rental of 100 to 500 euros depending on the bank and box size. The bank is not liable for the contents in case of damage (standard clause in rental contracts).
External vault storage: companies such as AuCoffre.com or BullionVault offer secure storage in certified vaults, often located in Switzerland, London, or Paris. Annual fees run around 0.5 to 1% of the stored value.

Paper Gold: ETFs, Certificates, and Derivatives

Gold-Indexed ETFs

For the investor seeking exposure to the gold price without the constraints of physical ownership, ETFs (Exchange Traded Funds) are the most accessible solution. The main ones are:

Amundi Physical Gold ETC (ISIN: FR0013416716): eligible for PEA-PME, backed by physical gold stored in London, fees of 0.15% per year.
iShares Physical Gold ETC (ISIN: IE00B4ND3602): one of the most liquid globally, fees of 0.12% per year.
Invesco Physical Gold ETC (ISIN: IE00B579F325): fees of 0.12%, good liquidity on Euronext.

These products faithfully replicate the gold price. They are bought and sold as easily as shares, through a standard brokerage account or, in some cases, a PEA.

Certificates and Turbos

Certificates and turbos on gold, issued by banks such as Societe Generale, BNP Paribas, or Commerzbank, allow you to play the upside or downside with leverage. These products are reserved for experienced investors due to the amplified risk of capital loss. They are not suitable for a long-term wealth strategy.

Physical gold or paper gold: which to choose?

Physical gold offers the advantage of tangibility and independence from the financial system. Paper gold offers liquidity, simplicity, and lower fees. For most savers, a combination of both approaches is appropriate: a base in physical gold (10 to 20% of the precious metals allocation) and the remainder in ETFs for management flexibility.

Other Precious Metals: Silver, Platinum, and Palladium

Silver

Silver is often called gold's "little brother." Its price is more volatile, but it has an advantage: silver has a strong industrial component (electronics, solar panels, medicine). Industrial demand represents approximately 55% of total demand, making it both a safe-haven and cyclical metal.

Investing in physical silver in France is penalized by 20% VAT on bars and coins that are not legal tender. Legal-tender coins (Maple Leaf, Vienna Philharmonic) benefit from a margin-based VAT regime with certain dealers.

Platinum

Platinum is rarer than gold (annual production approximately 15 times lower). Its price was long higher than gold, but it now trades at a significantly lower price (approximately 900 to 1,100 dollars per ounce). This discount is linked to declining demand in the diesel automotive industry (catalytic converters) and uncertainty about the hydrogen transition, where platinum plays a key role in fuel cells.

Palladium

Palladium experienced a spectacular surge between 2016 and 2022, driven by demand from the gasoline automotive industry (catalysts). Its price remains highly volatile and depends heavily on automotive conditions and production from Russia and South Africa (the two main producing countries). This metal is reserved for investors who thoroughly understand its industrial fundamentals.

Advantages and Disadvantages of Precious Metals

Strengths

Safe haven: during financial crises, geopolitical tensions, or high inflation, gold tends to appreciate. It played this role during the 2008 crisis, the 2020 pandemic, and the 2022-2024 geopolitical tensions.
Decorrelation: precious metals are weakly correlated with equities and bonds. Including 5 to 10% gold in a diversified portfolio generally improves the return/risk ratio over the long term.
Inflation protection: over very long periods (several decades), gold has preserved its holders' purchasing power, though this protection is imperfect over shorter periods.
Global liquidity: gold is traded 24 hours a day worldwide. A bar purchased in Paris can be sold in Hong Kong or New York without difficulty.

Limitations

No yield: unlike equities (dividends) or bonds (coupons), gold produces no income. Performance depends exclusively on price movements.
Holding costs: storage, insurance, and potential management fees for ETFs represent a real cost that reduces performance.
Volatility: even though gold is considered a safe-haven asset, it can experience significant declines. Between 2011 and 2015, the gold price lost over 40%.
Currency risk: gold is priced in US dollars. For a euro-based investor, the final performance also depends on the EUR/USD exchange rate.

Gold Taxation in France

Gold taxation is a determining factor for the net investment return. Two regimes coexist in France for the sale of physical investment gold.

The Flat-Rate Tax on Precious Metals (TMP)

The seller can opt for a flat-rate tax of 11.5% of the total sale price (11% tax + 0.5% CRDS). This regime applies by default when the seller cannot document the acquisition date and price.

The Actual Capital Gains Regime

If the seller can prove the purchase date and price (original invoice), they can opt for the actual capital gains regime: 36.2% on the effective capital gain (19% tax + 17.2% social contributions). A 5% allowance per year of holding applies from the third year onward. After 22 years of holding, the capital gain is fully exempt.

This regime is generally more advantageous for long holding periods or when the capital gain is small relative to the sale price. It is therefore crucial to scrupulously keep all purchase invoices.

Taxation of Paper Gold

ETFs and certificates follow the standard capital gains regime for securities: 30% flat tax (12.8% income tax + 17.2% social contributions) or option for the progressive scale. Capital losses can be offset against capital gains of the same nature for ten years.

Allocation and Strategy

The Right Proportion in a Portfolio

Most wealth managers recommend an allocation of 5 to 10% of financial wealth in precious metals, primarily gold. This proportion can be adjusted based on profile:

Conservative profile: 5 to 7%, predominantly in physical gold and gold ETFs.
Balanced profile: 7 to 10%, with diversification into silver.
Dynamic profile: up to 10%, potentially including platinum or palladium to play industrial cycles.

Investment Method

Rather than investing a large sum all at once (timing risk), the DCA (Dollar Cost Averaging) method is recommended: buying fixed quantities at regular intervals (monthly or quarterly) smooths the average purchase price and reduces the impact of volatility.

Coins vs. bars: which to choose?

Gold coins (Napoleon, Krugerrand) are more divisible than a bar and sometimes benefit from a collector's premium. They are ideal for amounts below 5,000 euros. Beyond that, small bars (50g, 100g) offer a good compromise between divisibility and reduced premium. A one-kilogram bar is only justified for substantial portfolios, as resale requires mobilizing a significant sum.

Conclusion: A Portfolio Complement, Not a Standalone Investment

Gold and precious metals are not miracle investments. They generate no current income and their historical performance, while positive over the very long term, remains below that of equities. Their true utility lies in their function as portfolio insurance: they protect the portfolio during turbulence, reduce overall volatility, and offer genuine diversification from traditional financial assets.

The wise investor will integrate them into a comprehensive wealth strategy, alongside a performant life insurance contract, a well-funded PEA, and a potential real estate allocation. The key lies in proper dosage, patience, and choosing the right investment vehicle based on your profile and objectives.