The Gold Agency

Sell your diamonds at the best price

Diamond buying in Brussels – L’Agence de l’Or

At L’Agence de l’Or, we offer a professional, transparent, and secure diamond buying service.

However, it is essential to specify that we only accept certified diamonds by an internationally recognized gemological laboratory such as the GIA, the HRD or theIGI.

This certificate guarantees theauthenticity and precise characteristics of the stone (weight, color, clarity, cut), which are essential for establishing a fair and reliable valuation.

The Gold Agency

Key points

Mandatory certificate

No diamonds without a certificate from a recognized laboratory will be accepted. Please ensure that your stone is accompanied by this document before presenting it to us.

On-site expertise only

No price can be quoted without first seeing and analyzing the diamond. Each stone must be examined to assess its exact characteristics (carat, color, clarity, cut).

Prices indexed to Rapaport

Our offers are aligned with the Rapaport report, the global benchmark for diamond pricing. This guarantees fair and transparent prices.

How to sell your diamond?

The process is quick and easy:

Please visit our offices in Brussels with your diamond and its gemmological certificate.

Our experts will analyze the stone and provide an immediate quote, calculated according to its characteristics and the current market price.

Payment is made securely, exclusively by bank transfer, in accordance with current legislation.

The Gold Agency

Why choose the Gold Agency?

Recognized expertise 

Our qualified gemologists have extensive experience in diamond evaluation.

Fair and transparent prices

Thanks to our alignment with Rapaport, you benefit from an offer in line with the market.

contact us

Personalized support

We guide you through the entire process to ensure a smooth and reassuring experience.

Contact us

Please make an appointment or visit our office in Brussels with your gemstone and its certificate. If you have any questions, please contact us at 02 852 36 45. Our experts are here to assist you throughout this process with professionalism and discretion.

Contact Form - Sales