The Bivalvia Ring is a bold and beautiful summer accessory. With an inspiration from a fossil, this ring will make you feel like you're by the sea. Perfect for any outfit you wear this season!
- Finishes available: .925 sterling silver or 24k gold vermeil on .925 sterling silver base (3 layers of gold approx. 3 microns thick)
- Weight: 10g
- Made-to-order in Porto, Portugal
Our jewellery is handmade-to-order in our familiar workshop in Porto, Portugal, it means, that we don't own any stock.
Orders are processed within 10-15 working days before shipping.
This period can be longer during August due to the holiday season.
After your package is shipped, we will send you an email with the estimate shipping date and tracking number.
Standard Shipping (EU) - 3-5 working days
Standard Shipping (Rest of the World) - 7-15 working days
Express Shipping (EU) - 1-2 working days
Express Shipping (Rest of the World) - 3-7 working days
The estimate shipping date can be longer during high seasons or due to custom, weather and other factors.
We ship worldwide.
Check out our SHIPPING pages for more info.
Due to high demand, order process can be longer than the estimated time. We apologise for the inconvenience caused and ask for your comprehension.
Our Story, Our Commitment
We work slowly yet responsibly, always with quality and care.
Today I received the ordered ring from you. I'm living in Japan but I'm glad to meet your ring. Thank you for making this ring and your message! I will be using it every day.
Thank you so much!
Just so in love with my new order, I love them and wanted to share with you! It's not my first order and hopefully not the last one. rLooking foward to seeing the new collection. You do a great job, keep on doing it!
Merci pour ces belles créations de trés belles qualité, à un prix raisonanable. Ça fait du bien!!!
I love what you do and the quality of your products is serious! The rings I have already purchased never went dark or left a mark on my fingers! They're still shiny and all!
I received my jewelry today and I just wanted to say how much I love it! It is absolutely lovely, really great quality and very comfortable to wear. You're very talented! Thank you so much!
I saw that your jewellery is handmade, it's so amazing! And that's one of the reason I ordered. I'm usually not a big money spender at all and I hate spending money for big business and bad quality so I'm glad to have found your brand!
I already loved your brand but since I met you I lve it even more. You have such a sweet and kind energy around you. The support is the very least thing I can do!
I received yesterday, the beautiful ring is here!!!
My favourite jewels, lately!
I love them, thank you!
Love the quality and the design so much. I'm pretty sure I'l be wearing it for a really long time! Thank you so much for working with me on the issue before and moreover thank you so so much for creating this piece! Will be placing more orders in the future! Thank you again!
Your jewellery is SO BEAUTIFUL!!!! Everyone needs to know how amazing your are!!!
I just received my beautiful rings! Thank you so much! I am obsessed with your brand!
They really are so unique and beautiful!! I'm definitely going to be purchasing more!
Thank you so much! I am very happy and I am so in love with this ring, I will be a loyal customer and recommend your shop to all of my friends and all of the people who asks me about this beautiful ring!
I just received the ring. It's super lovely, thank you very much!
Excellent customer service. I love their products!
Full hand of Nuuk! Just arrived and again so happy! Already about to order more!
I just want to let you know that today I received the Vera bracelet and last week on monday the Eva Bracelet. AS always, I'm very happy with my purchases!
Received my order today, all is beautiful.
My ring arrived today and it’s just what I wanted. I love it. My great grandmother was Portuguese so having something from your country makes me very happy. I hope to visit some day. Thank you for your hard work in making something I will always treasure. (I bought it for my 50th birthday)
The parcel finally arrived today even if the tracking still says it‘s in transit 🤦♀️ Thank you for your help and I really love the rings and will order the next ones.
Thank you a lot, I went to pick it up! Yayyy it made it to me, and I‘m so in love with the jewelry! You make by far the most beautiful pieces, the waiting definitely paid off 😍❤️Thank you again, I wish you a happy weekend! Sending lots of love,Sarah ❤️
Es war alles in Ordnung!
Love my new ring. Thanks a lot!
Lovely, gold does not fade!
Sieht super und trägt sich gut
Thank you for your reply and well received the jewellery! I absolutely love it, very good quality!
Absolutely gorgeous, original and very stylish necklace, I love the clean lines of the design and the quality. This will without a doubt be a favourite piece. The packaging and lovely stylish cards that came with the necklace are very much appreciated too.
Absolutely beautiful! Just what I was expecting and well worth the waiting time 🥲❤️🔥
Beautiful earrings! I love them and have been getting lots of compliments! Thank you Nuuk!
El anillo es exactamente como se ve en la foto, yo lo compré plateado y es muy bonito. Las tallas en milímetros de la web son del todo correctas y ayuda mucho a la hora de elegir la medida. Estoy muy contenta!!!
love the ring - so cool!
Beautiful! Perfect! The shape, color and fit is better, than imagined. By the way, I am very proud to be a part of your history now. This ring will be worn with love, thinking of you, Paula and Joana. I wish you all the Best. Thank you!
I'm in love! It's a beautiful and well-made ring - it took a little while to get here but it was so worth the wait. Arrived well-packaged with a lovely note.
Wie immer super super schön!
Ich habe das Armband mit der passenden Kette für einen Ball bestellt und brauchte beides relativ schnell. Der Shop hat sich sehr um einen zeitnahen Versand gekümmert. Alles hat gut geklappt. Der Kontakt war sehr freundlich. Ich bin super begeistert von dem tollen Schmuck. Vielen Dank!
A NUUK tem peças magníficas. Tudo é pensado e feito com cuidado, paciência e qualidade extremos. Sou cliente e recomendo vivamente!
Peças únicas e um serviço super atencioso. Recomendo!
Je viens d'acheter un superbe collier en cristal de quartz et il est vraiment magnifique! Le design est très épuré... Bravo à la designer!!
Peças originais, de boa qualidade e atendimento top!
Joanna - I got them today, they are stunning. Can’t wait to wear them. Cheers!
I just wanted to quickly say that I got the package and I am in love with the pieces!I will definitely be making more purchases from your store in the future.Thank you so much.
I ordered a gorgeous bracelet from you for a friend’s graduation gift and it was just perfect, it brought her so much joy! Thanks for your beautiful designs, I’ll be ordering more for sure, great wishes from the UK x
Love every single jewel! I'll post some pictures soon 😘😘😘
soooo happyyyy!!!! 🥺♥️ will definitely place another order! 🤍exactly the designs/quality I was looking for for soooo long 🥺
Parabéns, fiquei viciada nos aneís pretos, já tenho 3 da nuuk :P
Joana! Wow! Congrats! Acabo de ver la colección con Debora y es fantasía! El anillo chess me gusta desde hace mucho, pero los pendientes Seibel soooooon💜🤍💜🤍. Totalmente enamorada! Haré pronto un pedido. Mucha suerte con la colección! Aunque seguro que no la necesitáis, os irá genial. Como siempre, todo lo que hacéis es precioso. Un fuerte abrazo😘
Girls I just got my first order from you and I’m so happy with my items! ❤️🔥❤️🔥 Love the material, quality and the style. So happy I found your Brand on IG by accident. Wish you all the best and keep on your amazing work 😍
Cannot wait for your next launch! I absolutely love your brand!