Is my ZILLI product authentic ?

To provide you with the best possible response, please provide the following: - Proof of purchase (invoice, place, and date of purchase, etc.) - Photos of the product (back, front, and inner lining customs label). If you are not able to provide all the documents listed here above, we will not be able to authenticate the products.

What is the current value of my ZILLI product ?

We do not provide such services. The resale value of a ZILLI product depends on several factors, including its overall condition, usage, and the chosen resale method (specialized online stores, private sales, or second-hand boutiques).

How can I obtain the value of my product for succession or insurance purposes ?

We do not provide this type of service. Upon explicit request, we can conduct a search to trace the purchase history. For this purpose, we require an official request by email to the following address: concierge@zilli.com, including the following information: Name First Name Email Address A copy of your identification document

ZILLI eyewear after-sales service

For any eyewear after-sales service request, we kindly invite you to send your inquiry to the following email address: sav@grosfilley.com. Please include photos and a copy of the purchase invoice. Your request will be processed within a few days, and we will get back to you with all the necessary information (quote, replacement parts, etc.)