Jewelry Purchase
Reputable purchase at fair terms
Whether exclusive brand-name jewellery from Cartier, Bulgari, Tiffany & Co, Chopard and other renowned luxury brands, high-quality gold jewellery or fine diamond jewellery – at Cologne Watch Diamond, your jewellery is in good hands.
Our experienced experts combine international market knowledge with sound valuation expertise. Transparent, discreet and reliable – we will provide you with a fair offer based on current market values.
Frequently asked questions about purchasing jewellery
Our jewellery experts will answer your questions.
General
You may visit our showroom in Cologne at any time. Alternatively, you can send us your enquiry conveniently via the online form with photos and details of your piece of jewellery.
Our jewellery experts carry out a precise valuation on site or on the basis of your submission. Within 24 hours of receiving your enquiry, you will receive a fair, binding purchase offer – transparent and non-committal.
We focus on buying high-quality jewellery – in particular:
- Branded jewellery from Cartier, Bulgari, Tiffany & Co, Chopard, Pomellato, and so on.
- Gold jewellery in yellow, white or Rose Gold – including in damaged condition
- Diamond jewellery of any kind – regardless of carat, cut or setting
If you are unsure whether your jewellery is suitable for buying, we will be glad to advise you personally.
Our focus is on high-quality branded jewelry with a clear provenance. Our jewelry experts assess jewelry without recognizable brand marking on a case-by-case basis—especially gold or diamond jewelry with high material quality or gemstone quality.
Valuation & Price Determination
Our jewellery experts analyse the materials, precious stones, design, workmanship, condition and origin of your piece of jewellery. With the aid of the most advanced technology and international market knowledge, we produce a well-founded and fair valuation.
No, a sale is possible even without certificates. However, if proofs of authenticity, original packaging, or certificates are available, this can additionally have a positive effect on the sale value.
We recommend bringing any existing documents with you or submitting them.
Procedure & Processing
Yes, our showroom in Cologne is open to you during opening hours. Our jewellery experts examine your piece of jewellery on site and make you a transparent purchase offer. If you agree, payment is made directly by bank transfer.
Yes, shipping is possible. To ensure that your pieces of jewellery reach us safely and with full insurance cover, please contact us in advance – we will inform you about the correct procedure and recommend a suitable shipping carrier.
Upon receipt, our jewellery experts will inspect your items professionally, and you will receive a binding purchase offer within 24 hours.
The payment is made exclusively by bank transfer. After acceptance of our purchase offer, the amount will be transferred reliably and transparently directly to your account.
After you accept our offer, payment is made immediately—usually on the same day or at the latest on the next working day.
Request an offer now
Please fill out the form to receive an individual offer.
If you have any further questions, you can reach us at:
Tel.: +49 (0) 221 54818474
Email: diamond@colognewatch.de
Our location
You are welcome to visit us in person at any time in our exhibition room Cologne Watch Diamond in Cologne.



