Professional Gem Sciences

Laboratory, Ltd.

​5 S. Wabash Avenue, Suite 315​

Chicago, IL 60603

   

© Copyright 2019  PGSL

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The World of Diamonds

$75.00Price
Complimentary course book for the Diamonds 200 class. This book is an introduction into the properties of diamonds. It provides a detailed explanation of the techniques for grading, evaluating, and differentiating diamond from diamond simulants. 
  • Details

    75 pages including numerous graphs and appendixes that are designed to assist in all aspects of grading. Extensive photo library for convenient reference.