Pricing options

To make it easy for you to learn with us, we offer a range of budgeting options.

The course is taught by

Kerry Gregory FGA DGA GG

Experienced practical gemmologist and inspirational teacher

Kerry Gregory

Kerry Gregory FGA DGA, founder of Gemmology Rocks, National Association of Jewellers Service Provider of the year, is a professional gemmologist and jewellery industry specialist. She has worked in the industry for over 20 years, working, studying and honing her craft. Anyone who has met Kerry, knows she is a one woman whirlwind, passionate, funny and motivating, she is described in many ways by people, but never described as boring!

What does the course entail?

The details you'll want to know!

This 5 day course provides the practical element of the Gem-A Diploma in Gemmology.

Over the duration of the course you will handle a wide range of natural, man-made (synthetic), assembled, imitation and treated gemstones. You will learn how to observe them and what to look for to start to recognise them. You will learn how to use standard gemmological equipment accurately and efficiently. What the key tests are for identifying common and commercial gemstones, and build more advanced skills and knowledge to learn how to become a proficient practical gemmologist.

You will be taught by Kerry Gregory an experienced practical gemmologist and tutor, who has real world experience of testing gemstones as well as of teaching these skills to a range of students, with differing ages, experience and learning abilities and styles. You will be supported before, during and after the course.

Primary Objective: 
•    Learn how to identify natural, man-made and imitation gemstones using standard gemmological equipment

Learning Outcomes:
•    Detailed observation and recording of gemstone features using a 10x loupe, microscope and different light sources
•    How to use, and record and interpret the results of:

o    Refractometer
o    Polariscope
o    Spectroscope
o    Chelsea Colour Filter (CCF)
o    UV light
o    Dichroscope
o    Specific Gravity Testing

•    Creating a data profile of a gemstone to ascertain an accurate identification
•    Weight estimation of mounted gemstones

Who is it for: 
•    Students on the Gem-A Diploma in Gemmology

What does it include: 
•    30 hours tutor led instruction
•    Use of practice gemstones
•    Loan of equipment if needed
•    Morning and afternoon refreshments every day
•    Lunch every day

Skills & experience needed: 
•    Must have already completed the Foundation in Gemmology

Time scale: 
•    5 days

•    £940

•   Maidstone

•    17th to 21stt May  2021

What you earn: 
•    Practical Endorsement for Gem-A Diploma in Gemmology

Pricing options

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Still have questions?

Send an email to Or book in for a "Tea & a chat" on Zoom below and we will talk you through anything you need.