1.4 Diamond Certificates / Grading Reports

1.4 Diamond Certificates / Grading Reports

A usual Certificate/Grading Report of a Diamond includes mention of the four main characteristics, namely the weight, the clarity grade, the colour grade and the cut.

1.4.1. CONTENTS OF A DIAMOND CERTIFICATE/GRADING REPORT

A complete Certificate/Grading Report of a Diamond as it should appear on a Certificate, includes the following data:

  • the statement that the diamond has been identified as a natural or HPHT treated or synthetic diamond
  • reference number
  • weight
  • shape and measurements
  • clarity grade
  • colour and fluorescence grade
  • cut: proportions and finish-grade
  • comments and identification marks, if applicable
  • plot
  • place of issue
  • date of issue
  • reference to IDC

1.4.2. CONDITIONS REGARDING THE STATE IN WHICH DIAMONDS MUST BE PRESENTED FOR GRADING

Diamonds must be presented for grading unmounted and free of any obstacles including dirt.

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