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A seasoned specialist for more than 13 years in the field of coloured stones, diamonds and gemmology, Thibault has a natural curiosity which has enabled him to develop a wealth of knowledge in every field to do with gems and diamonds.

Having graduated with the last Swiss Federal Certificate of Vocational Education and Training for lapidaries, he continued to expand his knowledge with a three-year course as a diamond cutter in order to learn every facet of this exciting field. He concluded his training with an intensive course in gemmology at the prestigious École de Gemmologie de Montréal, culminating in the famous “FGA” diploma.

Particularly attracted by emeralds, Thibault began his travels and met the founding family of a mining company in the famous Muzo region of Colombia. In 2018, he became their official emerald importer to the exclusion of any other intermediaries.

“ I transform and adjust your gems with passion and incredible care in order to make them irreplaceable. ”

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Arthur is an epicurean in heart and mind. A man of the good but naturally, also of the beautiful.

Thibault and Arthur are brothers. Thibault, since his youngest age, is passionate about colored stones, diamonds and gemmologies, while Arthur is passionate about vegetables, meats, cooking.

One element particularly brings them together in addition to the brotherly love they have for each other: The beauty of objects, jewelry, beautiful plates and of course, colored stones and diamonds.

Curious by nature, Arthur is, over the years, trained by Thibault in the fascinating and rich world of his passion. Arthur integrates and digests the information and also develops a passion for the field of activity of his older brother.

In 2020, Arthur joined Thibault Leclerc Geneva, joining forces with his brother to develop the business by developing sales to private customers of colored stones and diamonds, but also by offering custom-made jewelry pieces to local and international customers.

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Mathias began his professional life with a rigorous and meticulous apprenticeship as a lapidary in a brilliant watchmaking company in Geneva.

Coming from an agricultural background owned by his family, he has, following his training as a lapidary, fully devoted himself to the family business to which he has brilliantly brought the development of the activity and thus the family pride. A return to his heart's desire was an obvious choice after having fulfilled his father's wish to build a new farm.

In his youth, Mathias met Thibault who suggested an apprenticeship in the field of colored stone cutting. A few years later, he met again Thibault who proposed him, knowing Mathias' qualities and rigor, to join his team.

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Following the completion of her bachelor's degree in geology at the University of Reunion island andher training in gemmology at the ING in Lyon, Fiona joined our team at the beginning of 2022 with the aim of learning the art of cutting under the guidance of Thibault Leclerc and his team.

From the observation of a raw stone to the cementing process, then on to the cutting, and finally reaching the polishing stage, these key steps represent the fundamental learning process of this artisanal profession, which Fiona executes with rare dedication and talent.

“ After my studies, I wished to pursue a hands-on career that aligned with my education. I was fortunate to meet Thibault Leclerc, who opened the doors to the fascinating world of cutting precious gemstones and diamonds for me. ”