Diamond Grading Course Code: JDTI - 103 Programme Length: 45 days, alternate days of the week, 18 sessions Timing: 10:00 a.m. - 2:30 p.m. You will learn to grade and identify Diamonds in JDTI's well-equipped Gemmology Lab. The institute has a large updated collection of stones which aids in the practical experience. Programme Contents Diamond Historical Background Origin, Geological Timetable, Mining, Occurrence, Major Diamond Deposits of the World, Famous Diamonds Crystallography, Physical, Chemical, Optical Properties, Distinctive Features, Inclusions and Characteristics Nomenclature and Grading System Importance of 4' Cs (Cut, Color, Clarity & Carat) Cut: Round Brilliant and its Facets, Development of the Brilliant Cut, Forms of Diamond Cuts, Types of Brilliant Cut, Modified Brilliants & Fancy Cuts. Symmetry Features, Proportion, Comprehensive Evaluation Color: Color Grades - Origin & Nomenclature, Color Grading Systems, Color Measuring Instruments Clarity: Clarity Grades - Origin and Nomenclature, Clarity Grading Systems, External and Internal Features Carat: Weight Estimation of different cuts such as Eight Cut, Carre, Full Cut, Emerald Cut, Oval Cut, Navettes, Drop Shape along with Instruments for Weight Estimation of Round Brilliant Plotting and Grading of Cut and Polished Diamonds by Color, Clarity- External and Internal Features, Cut-Symmetry Features, Calculation of Proportions and Cut Evaluation Diamond and its Simulants including Synthetic Moissanite and Synthetic Cubic Zirconia along with their Identification Techniques Diamond Synthesis, Treatment of Diamonds & the methods of Detection/ Identifiction © Jewellery Design & Technology Institute (JDTI)