Genève • Established 1894

OUR HERITAGE

Where ancient geological force meets the futuristic precision of sub-micron photonics. Explore the three pillars of AETERNA.

Origin of Diamonds
Chapter I

THE ORIGIN OF OUR DIAMONDS

Long before humanity walked the Earth, intense pressure 150 kilometers beneath the continental crust crystallized carbon into its purest elemental form. AETERNA selects only Type IIa rough stones—representing less than 1% of all gem-grade diamonds globally. Void of measurable nitrogen impurities, these crystals exhibit unmatched optical transparency and raw brilliance.

Laser Carving Facets
Chapter II

SUB-MICRON LASER SCULPTING

Traditional hand-cleaving introduced subtle structural micro-fractures. At AETERNA, our master lapidaries employ proprietary sub-picosecond lasers to map and cut 108 mathematical facets. Each facet angle is calibrated to an accuracy of 0.001 millimeters, capturing ambient light rays and channeling them through the heart of the stone.

The Platinum Standard
Chapter III

THE PLATINUM STANDARD

Gold degrades; platinum endures. We pour 95% pure liquid Pt950 platinum into fluid, seamless crowns that suspend the diamond like kinetic sculpture. Dense, hypoallergenic, and impervious to tarnish, platinum develops a soft satin patina over generations—an indelible record of a legacy passed down forever.

Aeterna Heritage Craft
Atelier Philosophy
"We do not cut stones to follow trends. We sculpt light so it may outshine time itself."
Head Lapidary, AETERNA Atelier Geneva
Aeterna Newsletter

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