gems, diamond, diamond grading, diamond clarity grading

Developed by gemologist Michael D. Cowing, M.Sc., FGA, this book presents a structured framework that mirrors the decision-making processes of expert diamond graders while enabling greater grading consistency and accuracy. Through extensive examples, clear methodology, and more than 250 detailed images, readers learn to assess clarity characteristics, evaluate inclusions, and develop confidence in assigning clarity grades. Drawing upon years of research and practical diamond grading experience, Objective Diamond Clarity Grading bridges the gap between traditional expertise and objective measurement, making advanced clarity grading concepts accessible to aspiring gemologists, professional appraisers, diamond dealers, and serious diamond enthusiasts. This work represents a significant advancement toward accurate, consistent, and reproducible diamond clarity grading by applying objective measures that accurately replicate the grading decisions of experienced professional graders.