Stone Island Certilogo Code and QR Label Explained

Stone Island says it has used Certilogo technology since the Spring Summer 2014 collection to let customers verify Stone Island and Stone Island Shadow Project products. From the Fall Winter 2020-2021 collection, Stone Island Junior garments can be checked too, wherever they were bought.

The check itself runs on Certilogo's website, and Stone Island's page describes two ways in: the CLG code and the QR code. Certilogo says each Stone Island garment provides authentication and access to a branded page with further information.

Stone Island says the code and QR code are on the security label inside the garment. Certilogo describes the CLG code as a 12-digit number preceded by the letters CLG, written in its example as CLG 000 000 000 000.

Look through the internal labels rather than the badge or the outside of the garment, and photograph the security label flat and in focus. If the label has been cut out, damaged or worn until it cannot be read, note that gap instead of guessing around it.

On Stone Island's authenticity page, enter the 12-digit CLG code and select Send, and the page forwards you to the Stone Island authentication service on Certilogo's website. You can also scan the QR code on the label with a phone.

Certilogo asks that the answers you give during a check be truthful, and it says its reply can depend on who carries out the verification because its systems look for unusual use of the service. It asks owners not to share a code for others to test, and if you already have, it suggests contacting its customer care.

Run the check yourself on the item you are buying or already own. Certilogo says a product sold online cannot be confirmed before purchase from a published code or a seller's photo, because the check needs the product in hand.

Certilogo says that finding a smart tag with a CLG code does not necessarily mean a product is authentic, and that copied codes will not receive an 'Authentic' reply. It also says each smart tag carries a unique CLG code linked to a specific product.

A positive reply is useful supporting evidence for the label you checked. It does not show that the label is original to the garment in hand, that the badge and buttons came with it, or that the piece has not been repaired or altered, so those points still need to agree with the product.

When a check ends with a 'Not authentic' reply, Certilogo offers a free Refund Assistance Report to support a claim with the seller, card issuer or payment service. Certilogo says it does not issue refunds itself.

The check is not available for footwear, some accessories, pieces from collections before Spring Summer 2014 or Junior garments from before Fall Winter 2020-2021. On those items a missing code is not evidence of a fake, and the review rests on the product, badge, labels and construction.

For secondhand listings, ask for full item photos rather than a typed code. Certilogo describes a Seal of Authentication that some online sellers publish as a virtual twin of the tag, and it says buyers should scan the physical tag again on delivery to confirm the right product arrived.

If the QR code will not scan, type the 12 digits on Stone Island's authenticity page, and contact Certilogo customer care if the service still does not respond. For questions about the product itself, Stone Island points owners to the retailer where they bought it, any Stone Island store or its Client Service aftercare form.

A reviewer treats the Certilogo result as one line of evidence alongside the line and season, fabric and garment-dyed finish, the two-button badge, internal labels, closures and seller history. Each has to point to the same product.

Vereev is independent of Stone Island and Certilogo, and its review does not replace the official check. When the code is missing, unreadable or cannot be checked before buying, an item-level review of clear photos can show whether the rest of the evidence holds together.