During a meeting at Nyon with GS & SonsEverything is done simply and conveniently in the comfort of your own home for a free, no-obligation appraisal of your jewelry, coins, or gold bars. I begin by verifying the authenticity and purity of the metal using various professional tests. Each item is then weighed on a certified scale to determine its exact weight in pure gold.
The value is calculated while guaranteeing total transparency.
A clear and detailed offer Your gold in Nyon is presented to you immediately, in complete confidentiality.
You are free to accept or refuse the proposal without any obligation.
If an agreement is reached, the sale is concluded on-site at your home in Nyon with a quick cash payment and receipt to ensure a legal and secure transaction.
What we offer
Expert appraisal of your gold at a very competitive price!
When you come to have your gold appraised at GS & SonsEverything happens in a simple and transparent way.
We start by looking at your jewelry or coins to see if they are actually made of gold.
Next, they are tested with small tools to check the number of carats (the quality of the gold).
Each object is then placed on a scale to determine its exact weight.
Finally, the value is calculated according to the price of gold on the day, and you are clearly told how much it is worth.
Cash payment
All transactions are conducted in cash.
You get your money right away.
Trip to Switzerland
I travel to your home or any other location free of charge, by appointment.
Assured Discretion
No unnecessary formalities or fuss about what you're selling. Discretion guaranteed.
Weighing on a certified scale
Your jewelry is weighed in front of you on a certified scale.
70 years of experience across 4 generations
With GS et Fils, you benefit from 70 years of experience spanning four generations, ready to listen to you and serve you.
Buying gold in all its forms
Gold buying throughout Nyon with attractive offers for every customer. We come to you free of charge, even for small quantities of gold.

Turn your watches into gold or cash
Fast and transparent process
We ensure a smooth transaction, from initial assessment to payment, for a seamless and reassuring experience.
Valuation of gold objects and jewelry
Each gold object or piece of jewelry is carefully studied to maximize its value, whether it be paintings, sculptures, or collectibles.
Total trust and confidentiality
Our approach is based on transparency and confidentiality, so that you can sell with complete peace of mind and satisfaction.






Contact us for an estimate at your home.
We travel with great pleasure to the regions of Lausanne, Montreux, Geneva, Neuchâtel, Fribourg and Valais, and throughout Switzerland.
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