Diamond Grading & Sorting

Paper Code: 
JWT 502
Credits: 
3
Contact Hours: 
45.00
Max. Marks: 
100.00
Objective: 

Objective:

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

 

9.00
Unit I: 
I. History of Diamond
  1. History of Diamond                                                                      
  • The Dark Ages, The Middle Ages &  Recent Times
  • Mining
  • Sourcing
  • Famous diamonds

 

9.00
Unit II: 
II. Type of Diamond and Colour in Diamond
  1. Type of Diamond and Colour in Diamond                                     
  • Colour formation
  • White, Pink, Green, Yellow , Blue & Champagne Diamonds
  • Colour treatment in diamond

 

9.00
Unit III: 
III. Diamond Cutting And Polishing & Grading
  1. Diamond Cutting And Polishing & Grading                                     
  • Instruments used for grading and sorting of diamonds
  • Importance of cutting,  grading and sorting of diamonds
  • Inclusions

 

9.00
Unit IV: 
IV. Physical Properties Of Diamonds :
  1. Physical Properties Of Diamonds :                                                    
  • 4 -c's –Color, Cut ,Celerity, Carat
  • Specific gravity
  • Hardness
  • Cleavage
  • Simulation / Synthetic
  • Crystal system in Diamond
  • Manmade Diamond
  • Simulants

 

 

9.00
Unit V: 
V. Optical Properties Of Diamonds
  1. Optical Properties Of Diamonds                                                 

·Reflection,

·Dispersion

·Faceting

  • Luster
  • Fluorescence
  • Brilliance
  • Certification

 

Essential Readings: 
  1. Spear, K. E., & Dismukes, J. P. (Eds.). (1994). Synthetic diamond: emerging CVD science and technology (Vol. 25). John Wiley & Sons.
  2. Neves, A. J., & Nazaré, M. H. (Eds.). (2001). Properties, growth and applications of diamond  IET.
  3. Weinstein, M. (2013). Precious and semi-precious stones. Read Books Ltd.
  4. Bourdier, F. (2006). The mountain of precious stones: Ratanakiri, Cambodia: essays in social anthropology. Center for Khmer Studies.
  5. Schumann, W. (2009). Gemstones of the World. Sterling Publishing Company, Inc..

 

 

 

References: 
  1. Bergenstock, D. (2004). An Analysis of the International Diamond Market.
  2. Mathur,A.(2006). Diamond : Eternal Fire. Rupa & Co.
  3. Pagel-Theisen, V. (2001). Diamond grading ABC: The manual. Rubin & Son.

 

 

 

Academic Year: 
2019-2020
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