GT100 MODULE 1: COLOURED GEMSTONES

Getting Started (12 mins)
Meet your Instructor, Tanja Sadow
1 Topic
Personal Message from Tanja
About JDMIS and the Online Learning System
3 Topics
Introducing the Jewellery Design and Management International School
Introducing the JDMIS Online Learning System
Course Learning Sequence
Earth’s Natural Wonders (1 hour 45 mins)
Introduction & Digital Handout
 1 Topic
Introduction to the Course Syllabus
Practical Jewellery Equipment
 5 Topics
What’s in your JDMIS Exclusive Course Kit?
What are your options if you don’t have the Course Kit?
Using Tweezers and Handling Gem Parcels
Using a Jeweller’s Loupe
Using a Penlight
The Classification of Gem Materials
4 Topics
Common Misconceptions about Gemstones
The Classification of Gem Materials
Species and Varieties of Gemstones
Groups
The Attributes of Gemstones
 4 Topics
Attribute 1: Beauty
Attribute 2: Durability
Attribute 3: Rarity
Video presentation on Naica Mines
VALUE FACTORS OF GEMS (1 hour 15 mins)
Value Factors for Gems & Digital Handout
 1 Topic
Value Factors for Coloured Gemstones
The 1st ‘C’ – Colour
 5 Topics
Understanding Colour in Gems: Hue
Understanding Colour in Gems: Tone
Understanding Colour in Gems: Saturation
Understanding Colour in Gems: Evenness of Colour
How to Get the Best Value: Summary of Colour in Gems
The 2nd ‘C’ – Clarity
 1 Topic
Judging Clarity in Coloured Gemstones
The 3rd ‘C’ – Cut
 1 Topic
Different types of cuts for Gem materials
The 4th ‘C’ – Carat Weight
 1 Topic
Specific Gravity in Coloured Gems
Assignment
Congratulations, you have completed GT100 Module 1
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Meet your Instructor, Tanja Sadow

GT100 MODULE 1: COLOURED GEMSTONES Meet your Instructor, Tanja Sadow
Tanja Manuela Sadow - Dean of the JDMIS

Tanja Sadow graduated from the Gemological Institute of America (GIA) in 1983 as a Jewellery Designer, Jeweller and Gemmologist.

Beyond her achievements as an award-winning jewellery designer, Tanja has more than 3 decades of experience educating the jewellery industry.

As Dean and Founder of the Jewellery Design and Management International School (JDMIS), Tanja has overseen the growth of school into an established regional training brand, delivering exceptional jewellery education to individuals from over 42 different countries and training the best local and international brands.

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