Creating an account is simple and gives you full access to our website features. Click on "Login/Register," fill in your details, and choose a secure password that only you know. With your account, you can view your order history, save shipping addresses, and make your next purchases faster and easier.

To complete an order, we need some basic information such as your name, email, phone number, and payment details. It’s important that all information is correct and accurate so we can deliver your products safely and on time.

You can pay by credit/debit card or bank transfer. Each method is secure and protects your data. In the case of pickup from the physical store, the additional option of payment via cash or card. For more details about how we handle payments, check here.(https://www.proofofconcept.gr/copy-of-shipping-policy-1)

Please note that some products require 1–7 days to be made. For shipments within Greece, delivery usually takes 1–5 business days depending on your location. If you choose to pick up from our store, you can do so by prior arrangement. For more details about shipping costs and delivery times, see our shipping p(https://www.proofofconcept.gr/copy-of-contact)olicy.(undefined)

Absolutely! We offer customization options for select pieces, as indicated in the product info. Contact us with your request, and we’ll be happy to assist you.

Shipping fees are calculated at checkout based on your chosen method. Orders over €70 within Greece receive free shipping! You can also choose to pick up from our store at no extra cost.

Yes, we regularly run promotions and offer discounts to our loyal customers. Subscribe to our newsletter or follow us on social media to stay updated on the latest deals!

Yes! By using our website, you agree to our Terms of Use. If you want to see all the details about how we operate, you can read them here.(https://proofofconceptathe.wixsite.com/website-1/en/terms-and-conditions) If anything is unclear, don’t hesitate to contact us before making a purchase.

We do not provide refunds; however, we can issue a credit note for full-priced items within 30 days of purchase. Unless otherwise arranged, the customer is responsible for return shipping costs. ​ All returned items must be in unused condition. Please note that earrings cannot be returned for hygiene reasons. Be sure to include your order number and a brief explanation for the return with your package. To initiate the process, email us at info@proofofconcept.gr

​For customer service inquiries, please reach out to us at info@proofofconcept.gr (mailto:info@proofofconcept.gr). ​ We review emails on Mondays, Wednesdays and Fridays. Kindly allow 1-2 days for a response. We do not typically reply on weekends, though we may occasionally make exceptions if time permits.

If the user wishes to delete their account or unsubscribe from receiving informational communications, they can send a relevant request via email to info@proofofconcept.gr,(mailto:info@proofofconcept.gr) and their request will be processed as soon as possible.