Objective Diamond Clarity Grading:
A Breakthrough in Diamond Clarity Evaluation.
Now available in hardcover and paperback editions.
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Objective Diamond Clarity Grading introduces a science-based system that transforms diamond clarity grading from a process largely dependent on subjective judgment to one guided by measurable, repeatable methods.
What You'll Learn
- Objective methods for evaluating diamond clarity.
- A structured framework that models expert grading decisions.
- How to evaluate inclusions using measurable criteria.
- Techniques for assigning clarity grades with greater confidence.
- Analysis of numerous GIA-graded diamonds demonstrating grading accuracy and consistency.
Features
- More than 250 color photographs, photomicrographs, illustrations, and grading examples.
- A practical methodology developed through years of research and diamond grading experience.
- A system designed for gemologists, appraisers, diamond dealers, students, and serious diamond enthusiasts.
- A practical system for achieving accurate, consistent, and reproducible diamond clarity grading.
Why This Book Matters
For decades, diamond clarity grading has relied upon subjective interpretation. Although the GIA clarity grading system established the worldwide standard, consistent grading has remained difficult because the grade definitions themselves require human judgment.
Objective Diamond Clarity Grading demonstrates that objective measurements can successfully reproduce the grading decisions of experienced professional diamond graders, providing a practical path toward greater consistency and standardization.
Whether you are a practicing gemologist, appraiser, jeweler, educator, student, or serious diamond enthusiast, Objective Diamond Clarity Grading provides the knowledge and methodology needed to evaluate clarity with greater confidence and consistency.
About the Author
Michael D. Cowing, M.Sc., FGA is a gemologist, researcher, and author whose work has focused on advancing the science of diamond grading through objective measurement and practical methodology.
Over several decades, his research has encompassed diamond clarity, cut, color, optics, and light performance, with the goal of improving grading accuracy, consistency, and education throughout the jewelry, and gemological communities.