Introduction to JET 1


Why choose JET 1?

✔ Build a strong foundation across the jewellery industry: in retail, the workshop or operational support

✔ Provide jewellery industry staff with a thorough knowledge of jewellery products and manufacturing techniques, giving them the tools to help and advise customers and clients more effectively

✔ Offer an engaging and supportive online learning environment accessible to full-time and part-time staff

✔ Part of a suite of qualifications helping signpost a clear career pathway within the industry.


Isabelle JET 1


Suitable for: Students wanting to build a strong foundation across the jewellery industry

Entry Requirements: None

Duration: 6 months (can be completed sooner)

Assessment: Five written assignments across 12 modules

Essential equipment: Access to a laptop, desktop or tablet with a proper keyboard is necessary to complete the written assignments

Fee: Non-NAJ Full Member £650+VAT, NAJ Full Member £425+VAT

JET Certificate - Enrolement rate


The course consists of 12 modules, giving new jewellery industry professionals a grounding in jewellery products, gemstones and diamonds and modern manufacturing techniques.

  • How to deal with a robbery or armed raid
  • The different methods for protecting stock, including physical protection, alarm protection and security procedures
  • The different methods for protecting staff, including opening and closing procedures, vehicle safety procedures and lone working procedures
  • The different types of jewellery on offer
  • Manufacturing techniques and fastenings available for the different types of jewellery
  • Common questions that a customer might ask you
  • The different styles and types of rings, including wedding rings, engagement rings, eternity rings and signet rings
  • Common nomenclature when talking about rings, including different profiles and shapes, and the different parts of a ring
  • Different stone settings
  • How to measure a customer’s ring size How to sell a ring
  • The physical and optical properties of diamonds
  • Diamond formation and production
  • The four C’s (carat weight, cut, clarity and colour) and how they impact price
  • Different types of diamond cut
  • Consumer confidence
  • Diamond simulants
  • The difference between a mineral and an organic gemstone
  • Physical and optical properties of different gemstones and gemstone families
  • Synthetic gemstones
  • Gemstone treatments
  • How to sell coloured gemstones
Gold, Platinum, Palladium and Silver
  • The formation and production of precious metals
  • The history of precious metals
  • The difference between the physical and optical properties of gold, platinum, palladium and silver
  • Hallmarks used for precious metals
  • Selling and after-sales care of precious metals
  • Non-precious metals
  • The purpose of hallmarking
  • The history of hallmarking
  • What Assay Offices do, and where they are based
  • Different compulsory hallmarks, including the sponsor mark, town mark and standard mark
  • Methods for testing and hallmarking items
  • How to use Bradbury’s Book of Hallmarks
  • The history, styles and influence of the big jewellery design houses
  • Contemporary designers
  • The definition of bespoke jewellery
  • How to sell bespoke and designer jewellery
  • All stages of the manufacturing process, from creating the mould to polishing the finished article
  • Different methods of producing a mould for different volumes and types of production
  • Hand making and finishing techniques
  • Die stamping and electroforming
Silverware and Gifts
  • The range of silverware and gifts that are on offer in jewellery shops
  • The popularity of certain types of silverware and giftware for different occasions and celebrations
  • How silver and silver-plated items are made
  • How to care of silver and silver-plated items
Watches and Clocks
  • The history of the personal timepiece, from fob watches to wristwatches
  • How mechanical and quartz watches work
  • Key characteristics and features of the different types of watches
  • The terminology associated with watches and clocks
  • The different types of clocks and how they work
Selling and Customer Care
  • How to use interpersonal skills and build rapport and trust with a customer
  • The six-stage process for making a successful sale
  • Different sales techniques including add-on, up-selling and top-down selling
  • The contribution of well-cared-for and displayed stock to the overall customer experience
  • The importance of following processes and procedures, for example when taking in repairs
  • How to deal with a customer complaint
  • The customer’s legal rights


Study Pack

  • Comprehensive online course notes
  • 'Bradbury's Book of Hallmarks'
  • 'Gemstones' by Cally Hall
  • 'Diamonds' by Marijan Dundek
  • A 10x jeweller's loupe


JET Progression

The JET Certificate (JET 1) is the first step in a student’s jewellery journey. It is part of a suite of 3 qualifications helping students take their skills and knowledge to the next level by studying the ATHE Level 3 JET Professional Jewellers’Certificate (JET 2) and JET Management Diploma.


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Be the next Clarity & Success Award winner

Each month, Clarity & Success gives a commendation for the best JET1 project, as identified by JET Tutors. The winning student receives a certificate, a write-up in The Jeweller magazine and are invited to attend the NAJ Education Awards.




Non-NAJ Full Member £650+VAT

NAJ Full Member £425+VAT

All bookings are subject to the NAJ's Terms and Conditions


Bradley Peterson JET 1


Enrolments are processed monthly after the enrolment deadline (15th of each month) and may take up to 15 working days.



Full or part-funding may be available via Association Financial Support, however funding must be applied for before enrolling onto the programme.


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Take your first step today

Start your jewellery education

Need more information?

Email the team

Call 0121 237 1110


331 Adam Shiel JET 1