What are the 4 Cs of diamonds? A Guide to Diamond Quality
What are the 4 Cs of diamonds? These four criteria – cut, color, clarity, and carat weight – are the foundation of diamond grading and evaluation. The 4Cs were developed in the 20th century by the Gemological Institute of America (GIA) and have become the universally accepted standard for assessing a diamond’s quality and value. … Read more