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,...
Pia
Recommend Castens.com
Beautiful pendant
I came to the store with 2 old white gold rings and 3 diamonds of different sizes, which I would like to have turned into a pendant. I had absolutely no idea what it would look like. But after a design meeting with Karin, she...
Rasmus Greve
Recommend Castens.com
A fantastic experience.
I had something important to ask my girlfriend about, and of course it had to be done with a ring. It was a fantastic couple run with cool design process, sparring and production of a lifetime ring for the one person who means everything to...
Kåre Knudsen Brink
Recommend Castens.com
Engagement ring
It was a fantastic experience I got help designing an engagement ring and it was perfect for us, it was a good process with good input that made my wish for a ring come true, there was good energy and positivity throughout the process, I...
Claus Hermansen
Recommend Castens.com
Karin threw everything away to get our rings...
Karin threw everything to get our rings ready and wow, what a result and such a great price. My girlfriend loves the fine 12 stones and the raw look with the brushed gold. Very happy with the price for 2 pcs. 14 karat gold ring...
Susi Tribler
Recommend Castens.com
I have received an old heirloom...
I have had an old heirloom transformed into a fantastic pendant so that I can now wear my memories around my neck. It is a great pleasure to work with Castens, who throughout the process has been deeply professional, while at the same time making...
Julie Stamp
Recommend Castens.com
Professional, engaging, great service and wonderful jewellery
I asked Karin to redo my father's old wedding ring, so that it had sparkle and became completely her own - with inspiration from another piece of jewellery and with an understanding of my love for champagne-coloured diamonds, she created a completely fantastic ring that...
Maria Gabelgaard Hansson
Recommend Castens.com
Really good experience
We came in with an idea, but left with something absolutely perfect and unique. Thoroughly sweet and very professional service. Super guidance and advice - And we are now the happy owners of the most beautiful and very personal rings.a It was great to greet the...
Lene Frederiksen
Recommend Castens.com
The adventure begins with a dragon.
I am lucky enough to be able to call one of Karin's pieces of jewellery mine. She held a sale in the store, but since there were more of us via FB who did not have the opportunity to show up in the store, she...
Lisbeth Andersen
Recommend Castens.com
Personal and unique creations
So far have had 3 very different and personal rings made. And every time I'm just as excited about the creative process as I am about the result. I don't have the visual skills to imagine the finished result, but I have never been disappointed...
Regitse
Recommend Castens.com
Adventurous
Beautiful jewellery in fine surroundings. You feel welcome in Galleri Castens from the start, the atmosphere is cozy, the surroundings nice and the jewellery fantastic. The service is friendly, open and someone is listened to. If you need adaptation, you are very welcome in there....
Henriette Stilling
Recommend Castens.com
Unique, personal and completely beautiful
I have had several special tasks done at Castens. All the jewellery is complete, unique, beautiful and super feminine in all its splendor and simplicity. I wear my jewellery every day - and am constantly delighted by how beautiful they are and how they have...
Helene Schultz
Recommend Castens.com
Engagement ring enlargement
I had my engagement ring enlarged a few years ago. We were in to talk about design, we reused the old mass-produced Ring and Karin came up with several good suggestions to spice it up. Then talked about different stones normally I am very into...
Christina Merolli Poulsen
Recommend Castens.com
Ring made from my old jewellery
I had inherited some jewellery that was not my style. But the gold was beautiful and the stones fine, so Castens created a little fairy tale of a ring, which I now use on a daily basis. I have been happy with the process and...
Tobias Trolle Andersen
Recommend Castens.com
If you want unique jewellery
If you want unique jewellery, then Castens is the right place. A shop where you are listened to and where Karin conjures up the most beautiful jewellery for you. Our wedding rings became our very own and fit just for us. Many thanks to Castens.
Jesper HorsMark
Recommend Castens.com
Talent and professionalism
Castens has carefully 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 :-)
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 cut myself for my wife's birthday. It was a "custom" piece and Karin made a design with...
Sandie Jensen
Recommend Castens.com
Beautiful rings for life and love
Lovely shop with creative, warm people. We will never regret the rings we had made especially for us and our big day. All in all a good experience and we are very satisfied with the result. ❤️
Mr Maymann
Recommend Castens.com
Wedding rings exactly as we wanted them
We had the most beautiful wedding rings made to our own specifications - they turned out exactly as we wanted and we wear them with pride and joy. The warm recommendations flow from Brønshøj to Galleri Castens.
Aura Haurholm-Holst
Recommend Castens.com
Magical, beautiful and feminine jewellery for the navel piercing
I contacted Castens because I was looking for a jewellery designer who wanted to venture into something new and help me create the perfect piece of jewelry for my navel piercing. Karin had that, and throughout the process I felt listened to and understood, and...