d

Course Rough Diamond Planning and Marking

Duration Day/Week Timing
3 month 5 day 10.00am to 1.00pm
2.00pm to 5.00 pm
Objective

Training programme of this course is designed for the students who wish to make a carrier as a marker (diamond planner) to get high earnings.

A marker has a complete knowledge of Diamond structure. He can grade polish or roughs and even trade in both to acquire this level of knowledge one has to have at least 4 to 5 years of experience in Diamond with maximum yield in the rough diamond and even estimate price for the rough or polish parcel for trading.

Contents
  • Diamond Introduction
  • Diamond mines to market
  • 4 C’s of diamond
  • Introduction & External features/accessories
  • World standard institution/certification
  • Forms & model (Basic)
  • Cuts & shapes (Heart & arrows)
  • Colour grading/shading
  • Sorting of Rough Diamonds/type of roughs
  • Rough processes (side sawing & tops sawing) (cassette Sticking)
  • Manufacturing processes / (flow chart)
  • Girdle planning (Introduction to Dia-mark)
  • Rough clarity grading
  • Weight/measures
  • Weight estimations
  • Sieve/sizing
  • Rejection/Selection
  • Marking & planning
  • Lots preparation
  • Costing (valuation)
  • Random sampling
Pattern of training: - Lectures-20% Practical- 80%-