Diamond Grading & Sorting (Theory)

Paper Code: 
TJD- 401
Credits: 
T 3
Contact Hours: 
45.00
Max. Marks: 
100.00
Objective: 

This course will enable the students to -

  1. Provide an understanding of physical and optical properties of diamonds, cutting and polishing, 4-c's, identification, natural inclusions, polishing, faceting, clarity & colour grades.

Course Outcomes (COs):

Course

Learning outcomes

(at course level)

Learning and teaching strategies

Assessment Strategies

 

Paper Code

Paper Title

 

 

 

 

 

 

TJD 401
 
 
Diamond Grading & Sorting

The students will be able to –

 

CO27: Learn diamond crystallography, different varieties of diamond crystals, structural defects and the internal structure of diamond crystals.

CO28: Learn Impurities in rough diamonds, their cause and effect.

CO29: Determine colour in diamonds, both natural and artificial and its effect on buying and selling.

CO30: The use of the Rappaport Diamond Price List and the International diamond price structure.

 

Approach in teaching:

Interactive Lectures, Discussion, Tutorials, Reading assignments, Demonstration, Team teaching

 

Learning activities for the students:

Self-learning Assignments, Effective questions.

Class test, Semester end examinations, Quiz, Solving problems in tutorials, Assignments, Presentation, Individual and group projects

 

5.00
Unit I: 
History of Diamond
  • The Dark Age
  • The Middle Age
  • Recent Time
     
5.00
Unit II: 
Type of Diamonds
  • White, Pink, Green, Yellow , Blue & Champagne Diamonds
5.00
Unit III: 
Diamond Cutting, Polishing & Grading
  • Instruments used for Cutting,  Grading and Sorting of Diamonds
  • Certification of Diamonds
     
20.00
Unit IV: 
Physical and Optical Properties of Diamonds
  • Surface Luster of Diamonds
  • Fluorescence In Diamonds
  • Indestructible Diamonds
  • The Refractive Index

 

10.00
Unit V: 
Gemological Characteristics
  • 4-c's of Diamond
    • Clarity
    • Colour grades
    • Cut
    • Carat
       
Essential Readings: 

      BOOKS RECOMMENDED:

  • An Analysis Of The International Diamond Market by Donna J. Bergenstock
  • The Curious Lore of Precious Stones by George Frederick Kunz
  • Collecting and Classifying Coloured Diamonds by Stephen C. Hofer
  • Diamonds Famous, Notable, and Unique by Lawrence Copeland

 

Academic Year: 
2020-21
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