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OUR TRAININGS

DIAMOND GRADING : THE 4Cs

PUBLIC

Anyone with an interest in diamonds

OBJECTIVES

To understand diamond assessment criteria, and learn how to grade quality.

COURSE CONTENTS

Each diamond is unique and its qualities are described in the “4Cs” standard. With this training largely devoted to observation and practice, you will familiarize yourself with the diamond grading system used internationally: colour, clarity, carat weight, cut, luminescence, and also with laboratory grown diamonds and treatments…

TEACHING METHODS AND RESOURCES

  • Training provided by a professional gemmologist
  • Use of standard gemmological equipment: loupe, tweezers, UV lamp, carat scale, binocular microscope
  • Observation of a large number of diamond samples.

PROGRAMME

DAY 1
  • Recapitulation of the diamonds fundamentals : History, properties
  • Diamonds carat weight, scales and estimation, size
  • Grading clarity
DAY 2
  • Grading fluorescence
  • The colours of diamonds : colourless  to near colourless diamonds, and coloured diamonds
DAY 3
  • Grading cut
  • History of diamond cutting, old and modern cuts
  • Diamond cutting steps and techniques, proportions, cut, polish and symmetry grading.
Inquiries and subscription

Maéva Peltier : m.peltier@lfg.paris – 01 40 26 98 00

CONTACT US :

contact@lfg.paris
(+33) 01 40 26 25 45
30, rue de la Victoire - 75009 Paris
Monday - Thusday : 9H30 to 17H00
Friday : 9h30 to 16h30
Withdrawal files at same days and time

   

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