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Courses
  • DIAMOND ASSORTMENT CLASSES
  • COLOR STONE IDENTIFICATION
  • DIAMOND IDENTIFICATION & GRADING
  • GEMOLOGY
  • JEWELLERY ESSENTIALS
  • DIAMOND & COLOR STONE BASIC
  • ASTRO GEMS
  • DIAMOND IDENTIFICATION & GRADING

    Part A – Introduction
    •   What is a diamond ?
    •   The world’s most famous diamond
    part B – Diamond
    •   Defination & properties
    •   Formation
    •   Mine exploration
    a)   Exploration of a pipe mine
    b)   Extraction
    Part C – Cutting & Polishing
    Part D – The value of diamond & the 4c’s
    •   Carat weight
    a)   Diamond weight estimation formula
    b)   Diamond weight estimation of round brilliant with normalproportion
    •   Clarity
    a)   Clarity characteristics
    b)   Plotting
    c)   Clarity grading
    •   Color
    a)   Diamond types
    b)   Normal color range
    c)   Fancy color
    d)   Artificially colored diamond
    •   Cut
    a)   Proportions
    b)   Measurement
    1)   Round brilliant cut
    2)   Fancy shapes
    c)   Estimating propartion
    1)   The crown angle
    2)   The table size
    3)   The crown height
    4)   The pavillion depth
    5)   The girdle thickness
    6)   The culet terminology
    d)   The proportion grades
    1)   The polish
    2)   The symmetry
    Part E – Simulants & Synthetics
    a)   Summary of the most important diamond & imitation’s characteristics
    b)   Synthetic diamond
    1)   Main producer
    2)   Production methods
    3)   Identification
    Part F – Clarity treatments & Laser Inscriptions