Obsidian is a black stone with a range of colors from white to bluish gray. First used for its physical properties in the era of prehistory, it is now used for its aesthetics.



A Roman soldier named "Obsidius" brought back this brilliant stone after its discovery in Ethiopia, it was then named in his honor and became the Obsidian. This stone is mainly found in Africa, but it is also possible to find it at the foot of volcanoes, in South America and Asia. Depending on its origin, its appearance will not be identical, it is sometimes possible to confuse it with black tourmaline or onyx.


Obsidian is mainly composed of silica and glass. It is a hard and brittle stone, its hardness is 5.5 on the Mohs scale. It has the particularity of not resisting fire, at high temperatures, it melts.


The virtues of the Obsidian would be centered mainly on the physical. It would be reputed to relieve muscular pains, the purification of blood as well as the healing of wounds.

On the psychic level, it would calm the anxiety, would help in the meditation and in the introspection.


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Corentin Von Kaenel has always loved geometry, precision, and the notion of proportion. He started humbly in a small workshop in Sainte-Croix, investing in conventional machines to develop his business and his know-how. In 2022, he proudly opened his own business, dedicated to creating jewelry and luxury products. A journey marked by passion and determination, which has shaped his destiny in the world of creation and precision.

When craftsmanship meets excellence, luxury becomes a work of art.


Respect for traditions, innovation, and know-how guide the way in which its creations are designed and manufactured. These values ​​combine to create products of excellence, where aesthetics, creativity and craftsmanship are at the heart of its approach.

The workshops are located in Sainte-Croix, a Swiss commune located on the balcony of the Jura.

Considered the cradle of excellence in artistic mechanics, music boxes and watchmaking, this town offers limitless creative openness.

CVK places a high priority on ethics.

The traceability of materials, whether metals or precious stones, is essential. Partner companies that work with precious materials are certified by the RJC.

Swiss Made

Swiss goldsmiths and jewelers proudly displaying the “Ecological Gold” label are committed to creating exceptional jewelry without using precious metals extracted from mines. Their semi-finished materials come from a source certified by the Responsible Jewelery Council (RJC) of London, ensuring the exclusive use of recycled precious metal. This approach respects both our commitment to geographical standards protected by Swiss and international laws and treaties, while maintaining quality and authenticity in our creations, in accordance with Swiss Made requirements.