Diamond Identification & Grading Course

COURSE - I (2 Months)

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 normal proportion

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
3) The crown height
4) The pavillion depth
5) The girdle thickness
6) The culet terminology
d) The proportion grades

Part E — Finish

1) The polish
2) The Symmetry

Part F — Simulants & Synthetics

a) Summary of the most important
diamond & imitation's characteristics
b) Synthetic diamond
1) Main producer
2) Production methods
3) Identification