Appraising jewellery and gemstones

ByCity Lit

Jewellery Making

All Levels

A talk-led course with practical exercises covering jewellery and gemstone appraisal, hallmarking, identification and antique jewellery, suitable for all levels.

About this course

The course introduces methods for examining gem-set jewellery and gemstones, including loupe use, hallmark interpretation, precious metals and basic jewellery construction. It also covers common gemstones, certification, treatments, synthetics and imitations. Teaching combines talks, demonstrations, projected images, question-and-answer sessions and practical exercises. Examples of jewellery and gems are examined in class, with discussion of antique periods such as Victorian, Art Nouveau and Art Deco, along with ways to recognise reproductions and assess potential problems when buying.

What you'll learn

  • Use a loupe to examine jewellery, gemstones and hallmarks.
  • Recognise and interpret hallmarks and distinguish common precious metals.
  • Describe basic construction features in modern and antique jewellery.
  • Identify common gemstones and recognise treatments, synthetics and imitations.
  • Distinguish key features of major antique jewellery periods and identify possible reproductions.
  • Apply basic assessment criteria when examining jewellery and gemstones.

Is this course right for you?

The course is intended for learners at all levels, including beginners and those seeking a refresher, as well as people working in the jewellery trade. Participation involves following demonstrations and instructions, with opportunities for informal group discussion.

  • Beginners and learners revisiting jewellery knowledge are included in the stated audience.
  • Participants should be able to follow simple written and verbal instructions, demonstrations and health and safety information.
  • Informal group discussions form part of the course.

Before you go

  • Nothing needs to be brought to the course.
  • Learners may bring their own jewellery for identification and appraisal.

Class teachers

  • Derek Jhinnoo

    Class teacher

  • Judith Crowe

    Class teacher

Where this course runs

City Lit

London's largest adult education provider

50 jewellery making courses on Learn.London

Upcoming classes

1 class

Selected date

Sat 24 Jul 2027

10:30 – 16:30 • 2 weeks

£179

Keeley Street, Covent Garden

Judith CroweClass teacher
Derek JhinnooClass teacher
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StartsScheduleLengthTeacherVenuePrice
  • Sat 24 Jul, 10:30 - 16:30

    Book now
    2 weeks
    Keeley Street
    2 weeksSat 10:30£179
    JudithCroweDerekJhinnooKeeley Street
    JudithCrowe
    DerekJhinnoo
    £179

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