Cartier Diamond Quality Controller — Fine Jewellery

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Location
France
└Île-de-France
└Paris
Employment
Internship
Seniority
Intern
Posted
Mar 16, 2026

About Cartier

Cartier is a preeminent maison of high jewellery and watches, renowned for exceptional craftsmanship, exacting standards and timeless design. As part of the Richemont group, Cartier combines heritage ateliers with global retail and manufacturing operations, offering technical training and career pathways within luxury goods production and quality assurance.

Cartier — Paris: Diamond Quality Controller (Fine Jewellery, Alternance). Apprenticeship in diamond grading and quality assurance within Cartier's Paris ateliers.

Role & Responsibilities

  • Inspect and grade diamonds for colour, clarity, cut and carat weight against Cartier’s internal quality standards.
  • Perform visual and instrumental examinations using loupe, microscope and basic gemmological testing equipment.
  • Record inspection findings, complete quality-control documentation and escalate non-conforming items to senior gemologists.
  • Support production and repair teams by verifying stones prior to setting and during finishing processes.
  • Participate in continuous-improvement initiatives to refine inspection protocols and reduce rejection rates.

Qualifications

  • Enrolment in an alternance/apprenticeship programme or vocational course in gemmology, jewellery making or materials science.
  • Strong visual acuity, colour vision and manual dexterity; meticulous attention to detail.
  • Basic knowledge of diamond characteristics and grading terminology (colour, clarity, cut, carat).
  • Ability to follow technical protocols and maintain accurate, auditable paperwork.
  • Professional attitude, punctuality and ability to work collaboratively within atelier and production teams.

Skills

Diamond grading: assessment of colour, clarity, cut and carat Use of jeweller's loupe and stereo microscope for inspection Gemmological testing and identification techniques Quality control documentation and non-conformance reporting Strong manual dexterity and fine-motor handling of small stones

Experience

Suitable for candidates at the start of their career; previous internship or work placement in a jewellery workshop, gemmology lab or luxury production environment is advantageous but not required.

Education

Currently enrolled in an alternance/apprenticeship or vocational programme in gemmology, jewellery/metalwork, materials science or an equivalent field.

Workplace

This position is based in Paris, Île-de-France, France.

Culture

Cartier fosters a culture of artisanship, precision and discretion, where technical mastery and heritage-driven creativity are prized. The maison emphasises on-the-job training within its ateliers, mentoring from experienced craftsmen and a commitment to preserving traditional savoir-faire alongside modern quality systems.

About Cerulean

Cerulean is the definitive career portal for the global luxury industry. We match exceptional professionals with exclusive opportunities at the world's most prestigious brands. From haute couture and fine watchmaking to prestige beauty, hospitality, and boutique retail, Cerulean centralises luxury employment to help you find the career for which you were destined.

Frequently Asked Questions

A.

The luxury industry is characterised by a diverse and nuanced nomenclature. Esteemed houses frequently employ proprietary terminology, and even within a single organisation like Cartier, titles may vary across global markets to reflect local conventions. To ensure absolute clarity, Cerulean assigns a standardised, industry-coherent canonical title to every listing. However, it is worth noting that this role is functionally synonymous with «Diamond Quality Inspector», «Gemstone Quality Controller», «Junior Gemologist — Quality Control», «Jewellery Quality Technician», and other variations. Our sophisticated search architecture anticipates these variations, ensuring that inquiries using related terms will seamlessly yield the exact roles you desire.