New
The " Diatoms"

Partner of
The Tara Ocean Foundation
Thanks to you, through your acquisition of one of our pieces of jewelry, our brand is able to make a 5% donation to the Tara Ocean Foundation, developing an innovative and original open ocean science which, in the future, will enable us to predict, anticipate, better understand climate risks and better protect biodiversity.
For lasting pieces of Jewelry
Sœur & Mer pieces of jewelry have been crafted with an unprecedented level of minute detail in order to reveal the perfection that nature offers us, even in the infinitely small.
The brand favors noble materials, solid sterling silver and 24-carat gold. Our jewels are guaranteed nickel-free and are designed to minimize the risk of allergy.
See our jewelry
Discover our first collection at the Shack Concept Store in Paris, Opéra.

Nature inspired Art
« Chic, primitive and charming »
Géraldine, Brest.
« These pieces of jewelry are beautiful and look like nothing I have ever seen. And now that I know they represent the microscopic plankton responsible for half of our oxygen, I think the concept is awesome ! »
Harry, Paris.
« Timeless, very sophisticated jewelry. »
Marie, Paris.