GIA 4Cs Guide

Mar 11, 2018

Redesigned GIA’s 4Cs app features video and interactive tools that teach consumers about how GIA grades color, cut, clarity and carat weight. It explains GIA’s D-to-Z color scale and how diamond color can affect value, GIA’s clarity scale and how diamond clarity can affect value, the factors that affect a diamond’s cut grade and the origins of the carat system.