The four c’s of diamond grading – carat
In some ways this is the simplest and most straight forward of the 4’cs. Diamond carat weight measures how much the diamond weighs. Let’s explore in more detail.
The four c’s of diamond grading -clarity
Diamond clarity involves the assessment for small imperfections or birthmarks either on the surface or within the diamond. Surface imperfections are known as blemishes while internal imperfections are known as inclusions. Almost all diamonds have some form of imperfection – which is understandable as they are formed by nature over millions of years. One thing worth noting is the inclusions within a diamond have no impact on the sparkle of the diamond.
The four c’s of diamond grading -colour
What started as the brainchild of GIA founder Robert Shipley in 1940 is now a widely used as a guide in evaluating faceted diamonds. Of the 4 c’s – Colour, Clarity, Cut and Carat Weight this article will explore colour grading.