Gil Bonnet & Fils, your trusted reference for gold appraisal and buyback since 1969

Gold buying and precious metals in Valais

Expertise gratuite

Balance certifiée

Paiement immédiat

Recognized, discreet and secure appraisal

Gold buying

Selling your gold is an important act that deserves seriousness and trust. At Gil Bonnet & Fils, we put more than 70 years of experience in jewelry and watchmaking at your service to ensure a fair, transparent appraisal carried out in a reassuring setting.

We buy your old or broken jewelry, gold watches, bars, coins, as well as your gold scrap, based on the official market rate. The appraisal is free, the metal test is carried out on site with a touchstone, and weighing is done on a certified scale in front of you.

Payment is immediate, in cash or by bank transfer according to your preference, in compliance with current Swiss laws.

Gil Bonnet & Fils is registered with the Precious Metals Control (Switzerland), guaranteeing the compliance and traceability of each transaction.

Whether for a family heirloom or simple gold scrap, we welcome you without an appointment in our store in Sierre.

Cours de l’or fin
113.77 CHF/g
Dernière mise à jour : 11.09.2026 08:57

What we buy back

At Gil Bonnet & Fils, we buy back gold and precious metals in various forms.

Bijoux en or

Jewelry and gold scrap

Rings, necklaces, bracelets, earrings, charm bracelets, signet rings, cufflinks, brooches, as well as broken or worn jewelry and gold scrap such as filings, shavings, dental gold or small leftovers.

Gold watches

Old or luxury gold watches.

Gold Watch
Fine Gold

Bars and coins

Bars, small bars, quoted coins such as Vreneli, Helvetia, Napoleons, sovereigns, etc.

Important: stones and diamonds are not bought and will be returned to you after the appraisal, except for stones with no value, which are returned only if the client wishes.

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How does it work?

Selling your gold at Gil Bonnet & Fils is a simple, transparent and secure process.
In just a few minutes, you leave with a clear appraisal and immediate payment, in a confidential setting.

YOUR GOLD SALE IN 3 STEPS

1 – Metal test

Bring your jewelry, bars, coins or gold scrap to the store.

Our specialists check the purity and quality of your jewelry or items.

2 – Certified weighing

Your gold is weighed in front of you, with an approved and certified scale. Everything is carried out with the utmost transparency and in complete discretion.

3 – Immediate payment

Once the offer is approved, you receive your payment immediately, in cash or by bank transfer according to your preference.

A valid ID and the signature of a gold purchase declaration are required to complete the transaction.

Our workshop in Sierre

Based in Sierre, in the heart of Valais, we assess and buy back your jewelry directly in our workshop. Every valuation is carried out on site, with precision and transparency, respecting the metals, their real value and Swiss regulations on gold buying.

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