Bussiness Course

  • Professional Diamond Grading & Valuation

    Diploma in Professional Diamond Grading & Valuation Course - 03

    Diamond grading is all about grading diamonds. In RDI diamond grading is taught on a different level that is we teach students how to grade diamonds both on par with national and international level and also educating them with local terms and languages used in the market.

Course Content

Session 1

1) Introduction

2) Guidance for Handling Lab Equipment

3) Basic knowledge of Polish Diamond

4) Internal & External Defect Theory with Local & International Words

5) Internal & External Defect Master Pcs

6) How to Plotting the Defect of Diamond

7) How to See a Diamond Theory

8) Diamond Cut Master Pcs

9) How to identify Diamond Basic Cut Quickly Practical

10) How to use Tweezer Easily with practical Basic Diamond Cut Report

Session 2

1)How to identify T.Ex. Cut Diamond through Eye glass

  • Proportion (Full Diamond Measurements)
    • Table Size Measurement
    • Crown Angle
    • Crown Height
    • Girdle Thickness
    • Pavilion Depth
    • Pavilion Angle
    • Total Depth
  • Polish Defect = Diamond Finishing
  • Symmetry Defect
    • Facet Symmetry
    • Proportion Symmetry
    • Grading System of Cut, Polish, Symmetry
    • Heart & Arrow
    • Fluorescence Identification

2) International Color Grading Knowledge

3) International Clarity Grading Knowledge

4) Carat (Weight)

5) Pointer / solitaire Diamond Valuation

6) Certified & Non - Certified Diamond Valuation

7) Knowledge of Rapaport with Back (Discount) System

Session 3

1) White Small Size Diamond Full Assortment with Tweezer

2) One type method of Valuation

3) White Small Size Diamond Semi. Assortment Under Tripod

4) How to identify Small Size Diamond Cut

5) How to identify Small Size Diamond Color (D, E, F & G, H)

6) Practical Knowledge of Fully Sieve Size

7) Different type of Valuation method

Session 4

1) Knowledge of C.B.N. (Color, Brown, Natt's)

2) LB & LC Three Number Shading

3) LB & LC Seven Number Shading According to Certificate Language as Well as Local Market Language

4) Different type of Valuation method

5) Single Shading Practice

6) Factory Mix Lot Valuation method

7) Real, American Diamond & Moissanite Theory Knowledge

8) Real, American Diamond & Moissanite Practical Knowledge

9) Theorical knowledge of Rules and Regulation of Diamond Market

10) Knowledge of Buying and Selling Theory