All jewellery is handmade to order. Therefore, delivery is 6-10 weeks
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Tel +45 32 20 04 44
design@castens.com
Holbergsgade 19a
1057 Copenhagen K, Denmark
During the artistic design process, we work closely with you and strive to merge your vision with refined craftsmanship to create a new piece of jewellery with a unique character.
We take on a wide range of handmade jewellery projects, so whether you need rings for parties or everyday, engagement rings, bridal sets, wedding rings, necklaces, bracelets, earrings or other adventurous jewellery, we are ready to wield the tools and create jewellery for the most important moments in your life.
Updated on 17 April 2026
At Castens, we process personal data in connection with your use of our website, purchases in the webshop, creation of a user profile, booking of design meetings, and newsletter sign-ups.
We only collect personal data when it is relevant to your activity with us, and we only process the data that is necessary to be able to provide our services.
We always process your information in accordance with applicable data protection legislation.
When you shop with us or use our website, we may process information such as your name, address, email address, telephone number, payment details, and information about your purchases and preferences.
We collect and process your information when you, for example:
visiting our website
completes a purchase
creating an account
book a design meeting
signing up for our newsletter
Contact us with questions or requests
We use your information to:
complete and deliver your purchases
Manage your user profile
Manage the booking of design meetings
customer service
send newsletters if you have given consent
improve our website and services
We process your information on the basis of:
Fulfillment of an agreement (purchase, booking, etc.)
Your consent (e.g. newsletter)
legal obligations (e.g. bookkeeping)
our legitimate interest in improving our services
We store your information for as long as necessary and in accordance with applicable law.
Information relating to purchases is generally stored for up to 5 years in accordance with the Accounting Act.
If you do not wish to provide the necessary information, it will in some cases not be possible for us to complete a purchase or deliver our services.
We only pass on your information to necessary partners, such as payment providers, hosting and shipping suppliers.
We do not sell your personal data to third parties.
You have the right to access, correct, or have your personal data deleted, and to object to its processing.
You can withdraw your consent at any time.
If you have questions or wish to exercise your rights, you can contact us:
Castens
Holbergsgade 19A
1057 Copenhagen K, Denmark
Email: design@castens.com
You also have the option to complain to the Danish Data Protection Agency via www.datatilsynet.dk.
Didn't find what you were looking for?
Get your own custom made jewellery
Have a piece of jewellery created just the way you want it. At Castens, we create handmade jewellery in our workshop for those who appreciate unique designs that have a special meaning to you.
What customers say about us
We make it a point to fulfil our customers' wishesNANNA HOEG DREYER STRYHN
Recommend Castens.com
Excellent jeweller created my beautiful keepsake ring
I highly recommend Castens if you want to make a dream come true! With great sensitivity and creativity, Karin designed a ring based on my and my late husband's wedding rings. Without significantly changing my own ring, my husband's ring was transformed,...
Christel Seierø
Recommend Castens.com
Jewellery and service in a class of their own
Love coming to Karin's adventurous gallery, where I've had several pieces of jewellery made. Karin is fantastic at offering advice and capturing the distinctive and personal. I give my warmest recommendation.
Aura Haurholm-Holst
Recommend Castens.com
Elegant, beautiful and feminine jewellery for a navel piercing
I contacted Castens because I was looking for a jewellery designer who wanted to try something new and help me create the perfect piece of jewellery for my navel piercing. Karin was that person, and throughout the whole process I felt listened to…
Mr Maymann
Recommend Castens.com
Wedding rings exactly as we wanted them
We had the most beautiful wedding rings made to our own design – they turned out exactly as we wanted and we wear them with pride and joy. Our warmest recommendations flow from Brønshøj to Galleri Castens.
Sandie Jensen
Recommend Castens.com
Beautiful rings for life and love
Lovely shop with creative, warm people. The rings we had made specially for us and our big day, we will never regret. An all-round good experience and we are very satisfied with the result. ❤️
Craig Hermi Herrmann
Recommend Castens.com
Outstanding Art and Fantastic Service
I have bought from Galleri Castens several times and am quite satisfied with both quality and service. The first time I ordered a pendant for an opal I had cut myself for my wife's birthday. It was a "custom" piece and Karin created a design…
Jesper HorsMark
Recommend Castens.com
Talent and professionalism
Castens has with great care created new wedding rings for my wife and I. I am very impressed with her craftsmanship, attitude, service, and especially the quality. I wish many others the same experience as us :-)
Tobias Trolle Andersen
Recommend Castens.com
If you want unique jewellery
If you desire unique jewellery, then Castens is the right place to go. A shop where you will be listened to and where Karin can conjure up the most beautiful jewellery for you. Our wedding rings became completely our own, fitting us perfectly. Thank you very much to Castens.
Christina Merolli Poulsen
Recommend Castens.com
Ring made from my old jewellery
I had inherited some jewellery that wasn't quite my style. But the gold was lovely and the stones were beautiful, so Castens created a little fairy tale of a ring, which I now wear daily. I've been very happy with the process and am very pleased with...
Helene Schultz
Recommend Castens.com
Engagement ring resizing
I had my engagement ring resized a few years ago. We went in to discuss the design, we repurposed the old mass-produced ring and Karin came up with several good suggestions to jazz it up. Then we talked about different stones. Normally I am...
Henriette Stilling
Recommend Castens.com
