INTRODUCTION
Diamond
microscopes are high power tools used
by jewelers who offer the best diamonds
and gems on the market. In order to successfully
run a jewelry business, you must be able
to correctly identify the authenticity
of the diamonds that are bought and sold.
Reality has it that many gemstones and
diamonds are difficult to grade with the
naked human eye, a diamond microscope
is a necessary tool.
All jewelers and Diamond graders know
that in order to offer the best diamonds
and gems on the market, one must first
be able to correctly identify their authenticity.
Since so many gemstones and diamonds are
difficult to grade by the eye alone, a
microscope is a needed tool for the professional
jewelers and graders.
CONTENTS
International
Method of Grading: 4C’s
- Clarity, Cut, Colour and Carat .
Microscopic Clarity Grading & Indepth
knowledge about Cut and International
Color Grading as per the GIA, IGI, AGS
Standards. How to operate Microscope &
Caring, Cleaning & Maintenence of
microscope.
| Duration: |
25
sessions ( 1.1/2 hours ) Min. 6 -
8 weeks |
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| No.
of Seats: |
8 |
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| Eligibility: |
Completion
of Basic PDG course at SRDC or from
any reputed Institute. Personal interview
is must. |
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| Faculty: |
Mr.
Rahul Desai / Assistant Faculty |
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| Certification: |
100
% of attendance and submission of
all the exercises and tasks set in
the course with satisfactory level
is necessary. |
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| Assessment: |
Performance in regular tests and Mid-
term & Final Examinations.
Target Group : Diamond Manufacturers,
Exporters, Jewellers, Students, Dealers
in Size goods |
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ADVANCE
DIAMOND GRADING ( with Microscope )
Course CONTENTS :
• Diamond – Introduction
:
Historical Background – Origin –
Mining - Major Diamond Deposits of the
World and Famous Diamonds.
• Crystallography :
Physical – Chemical - Optical Properties,
Distinctive Features, Inclusions and Characteristics.
• Introductions to Microscope
: How to operate microscope &
different parts of microscope.
• Importance of 4' Cs (Cut,
Color, Clarity & Carat) :
• Clarity: Clarity
Grades - Origin and Nomenclature, Clarity
Grading Systems, External and Internal
Features
• Cut: Round Brilliant
and its Facets, Development of the Brilliant
Cut, Forms of Diamond Cuts. Types of Brilliant
Cut, Fancy Cuts, Symmetry Features, Proportion,
Instruments for Cut Grading, Cut Evaluation
• Color: Color
Grades - Origin & Nomenclature, Color
Grading Systems, Color Measuring Instruments.
• Carat: Weight
Estimation of Full Cut, Princess Cut,
Oval Cut, Drop Shape etc., Instruments
for Weight Estimation of Round Brilliant
etc.
• Plotting and Grading : Polished Diamonds by Clarity- External
and Internal Features, Color, Cut-Symmetry
Features, Calculation of Proportions and
Cut Evaluation.
• Certification : knowledge about different grading systems
& understanding the certificate issued
by them.
• Diamond Synthetics and
Identification Techniques - Diamond and
its Simulants including Synthetic Moissanite
and Synthetic Cubic Zirconia.
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