Polished Diamond Grading

Corlia Roberts Diamond Education College Polished Diamond Grading Course

Polished Diamond Grading and Gold Course

(Duration: 5 days)

The five-day Diamond Grading including Identification short course should be studied by those with an interest in diamonds the opportunity to familiarize themselves with diamonds and diamond testing techniques that will enable you to accurately test, identify and grade diamonds.

This short course consists of practical training tuition over several days, with a practical examination on the final day of the class

Polished Diamond Course Objectives

The Polished diamond  prepare the student to become proficient in every technique involved in the manufacture and grading of diamonds.

To teach the student how to sort and buy diamonds both in the rough and polished state and how colour, imperfection, shape and proportions affect prices.

Course Outline
  • Diamond crystallography
  • Diamond grading systehysical and optical properties: how to clarity grade, and how to plot clarity
  • Characteristics
  • Inclusions and blemishes
  • How to grade diamonds in the normal colour range
  • How cut affects light return, beauty and value
  • How to determine table, crown angle, pavilion and depth
  • Measurements
  • How to read and compare Gemology or gemmology reports (GIA,EGL,HRD,IGI,AGS
  • How to compare proportions
  • Grading fancy shaped diamonds
  • Moissanite identification
  • Gold and precious metal identification
  • Jewellery Design
  • Diamond stimulants and treatments
  • How to grade mounted diamonds
  • Fancy coloured diamonds
  • Coloured stone overview
  • Stages of diamond polishing and
  • Marketing of diamonds, how to buy and sell diamond Jewelry gold, colored stones and the international diamond price and Jeweler structure

polished diamond

Course Costs
  • South African citizen: R9500
  • Non-South African citizen: US$950
  • A 50% registration deposit fee is payable

Next training Course March 05, 2018




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