Geological Gemmology

About us

Expertise in Gemmology

Our Story

GeoGems is a leading expertise firm in gemmology, born from the encounter of its three founders, all geologists passionate about the world of precious gemstones.

Who are we?

The Team

GeoGems team is composed by three geologists specialized in gemmology. Each evolving in different spheres of the gemstone world, it is from their encounter that the will to reconnect the world of academic research to the actual problems of the colored gemstone market was born.

Lauriane Pinsault

Head of Consulting

Geologist and gemmologist, specialized in colored gemstones mining, and stock management .

Boris Chauviré

Managing Director
Head of Education and Innovation

PhD in mineralogy, geology and gemmology. Gemmology teacher.

Marianna Corre

Innovative Project Manager

PhD in geology and geochemistry.

GeoGems offers various services to the colored gemstones industry actors


GeoGems advises and supports you on many topics : geological studies, gemstone quality control, data management and analysis…


GeoGems is committed to strengthening and supporting teaching teams, in classical gemmology but also in addressing scientific aspects and current issues.


Research and Development

GeoGems has the skills and abilities to conduct Research and Development programs. The objective is to respond to various issues raised by the sector, by developing new analyses and/or tools for concrete applications in the gemstone sector.

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Mentions Légales


Siège Social: 14 Place du Marhallé, 44350, Guérande, France
Capital social de 15 000€
SIRET: 914 858 444 00013
RCS Saint Nazaire
TVA intracommunautaire: FR17914858444

Conditions Générales de vente
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