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Course-Details
Course-Details
Course-Details
Course-Details
Course-Details

Diamond Grading & Identification Course (DGIC)

Course contents
2 months ( days a week: Tuesday to Saturday)
Level 4 (Basic + Advanced)
With 34 years of Jewellery trade experience as legacy & adding 16 years of teaching experience, get the trade oriented training with true, ethical and professional lab standards from India's First Master Trainer by the G&J S council of India with complete gem & jewellery mentorship.


Module A: Introduction
Characteristics of Diamond
Formation (the science of nature)
Sources (world deposits)
Mining (exploration)
World famous Cutting & polishing Centers
Trading Centers all over the world
Crystal System
Physical Characteristics
Optical Properties defining beauty


Module B : 4C’s- Practical’s
Clarity         Blemishes & Inclusions         Plotting & Identification         International Standard of Grading
Carat           Devices/ Tools         Estimation of Weight         Concept of Sieves
Colour         International Standard of Grading         Master stones & Procedure
Cut              Understanding proportions:         Table %,  Crown Angle          Girdle Thickness, pavilion Depth         Crown Height, 
                    Total Depth        Culet Size         Polish & Symmetry         Excellent/Very Good/Good/Fair/Poor Standards 


Module C: Advanced Grading
Fluorescence: colours & concepFancy Coloured Diamonds
Fancy Shapes of Diamonds
Pricing/ Valuation (Both domestic & international systems)
Lab Certificate Analysis
Identification of Synthetics & Simulants
Synthetic Moissanite
Synthetic Diamond
Treatments
Market terms/ Indian Trade 
Diamond Sorting
Concept of Rejection & Selection
Concept of Series Making
Complete Understanding of White
Off White (OWLB & OWLC)
LB (TTLB, TLB, LB & DB)
LC (TTLC, TLC & DC)
Natts

Fee Schedule