Contact Us

Diamond Brothers can be contacted through the online valuation form, by email or by telephone for initial enquiries. The valuation form on the website is the fastest route for new sellers, allowing photographs and item details to be submitted directly to the certified gemologists in Antwerp.

Diamond Brothers' Antwerp office operates during standard European business hours, Monday to Friday. In-person appointments are available by prior arrangement to allow dedicated time with a certified gemologist. Online valuation requests submitted through the website are reviewed daily and acknowledged within 1 to 2 days.

Yes. Sellers may book in-person appointments at Diamond Brothers' Antwerp office for direct evaluation of their diamond jewellery. Appointments are arranged in advance through the contact form or by email, allowing certified gemologists to allocate sufficient time for full inspection and discussion of the offer.

Yes. Diamond Brothers handles enquiries in English, Dutch, French and German, supporting clients across Belgium, the Netherlands, France, Germany, Switzerland, Austria and the United Kingdom. Written correspondence can be conducted in the seller's preferred European language for the initial valuation, shipping coordination and offer stages of the sale.

Diamond Brothers acknowledges email enquiries within 1 to 2 days during European business days. Initial valuation responses typically follow within the same window once all required information and photographs have been submitted. Sellers are kept informed at each stage of the valuation, shipping and payment process.

You can contact Diamond Brothers by filling out the online valuation form, by emailing through the contact form on the website, or by visiting the Antwerp office in person. Diamond Brothers responds to all valuation inquiries within 1 business day.

Diamond Brothers is based in Antwerp, Belgium - the centre of the European diamond trade. In-person consultations are available at the Antwerp office, and appointments can be made through the Contact Us page. Sellers from outside Belgium can use insured FedEx pickup from their home address.

Diamond Brothers recommends scheduling an appointment in advance to ensure a certified gemologist is available for your consultation. Walk-ins are welcomed. To book an appointment, use the Contact Us form or call the Antwerp office directly.