The Invisible Made Visible
Each jewel captures the delicate beauty of microscopic marine life — a vital, invisible world essential to all life on Earth.
Colorful Highlights
Iconiques de l'été
Minimalist Chic
Grams of Diatoms
In the Heart of Paris
Our Parisian brand is delighted to welcome you by appointment in the heart of Paris.
Sœur & Mer supports
Tara Océan
Sœur & Mer supports the Tara Ocean Foundation : together we contribute to protecting the Ocean and the plankton essential to life on earth, producing nearly two thirds of oxygen on Earth.
“The designer created a magnificent engagement ring, taking into account all our wishes — from design to delivery in Bordeaux, in just over two weeks! My fiancée was dazzled by the beauty of the ring and the brilliance of the stone. Thank you from the bottom of my heart!”
Jonathan, Bordeaux
There is a breath in your jewelry — subtle, almost imperceptible — like an echo of life itself. You give the invisible a form, a light, a soul… and suddenly, the infinitesimal becomes a treasure.
Jean-Jacques, Geneva
“I have never seen such original pieces of jewelry. Then I discovered they represented the microscopic plankton producing more than half our oxygen on Earth . I really love the concept ! »
Harry, Paris