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Tick Authenticity Guarantee

Sell fine jewellery with confidence on eBay. Verified by the experts at GIA®, the Gemological Institute of America®.

Sell now

Necleage under lighting microscope
  • Professional authentication

    Professional authentication

    A team of professionally trained authenticators meticulously inspect your item before sending it to the buyer, so you’re protected.

  • Verified returns

    Verified returns

    If the buyer returns your item, the authenticators inspect it before sending it back to you.

  • No extra cost to you

    No extra cost to you

    eBay covers all costs of the authentication process.

Easy for you, easy for your buyer

  • Authentication
    you can trust

    Our authentication collaborators at GIA® will authenticate your jewellery and ensure that it's as described in the listing within two business days.

  • Unique
    authentication card

    The jewellery will receive a unique authentication card with a QR code to confirm it has been verified.

  • Real-time
    status updates

    Authentication and shipping status will be updated in your order details every step of the way.

How it works

  • List your eligible item, and an Authenticity Guarantee badge will appear.

    Shopping jewellery in eBay app in a smartphone
  • Once a buyer purchases your item, you'll ship it directly to the authenticator to be verified.

    Jewellery wrapping
  • Your jewellery will go through a multi-point inspection process and receive a unique authentication card.

    Jewellery under microscope
  • The jewellery will be delivered safely to the buyer via two‑day, signature-required delivery.

    Authentication materials

Authenticity Guarantee for jewellery is limited to a review of claims regarding item quality and characteristics listed by the seller. These claims are assessed within defined ranges and tolerances.

Learn more

Meet the experts

GIA® is a non-profit organisation dedicated to ensuring the public trust in gems and jewellery by upholding the highest standards of integrity, academics, science and professionalism. For more information, please visit

An expert using professional equipment to examine technical properties of a ring

When selling under our new Authenticity Guarantee program, it's important to make sure you:

  • Choose

    Choose the right item condition.

  • Input

    Describe any defects, flaws, scratches or other wear and tear in the condition description.

  • Photos

    Take high-quality pictures that show the jewellery, and any included accessories.

  • Back photos

    Tip: Take photos from all angles, and remember to take pictures of any defects, flaws, scratches or other wear and tear.

  • Package

    Package your jewellery safely and securely to ensure a smooth authentication process.

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