4C’s: Cut, Color, Clarity & Carat
The GIA created the now globally accepted standard for describing a diamond’s, Color, Cut, Clarity and Carat Weight, known as the 4Cs of diamonds. The creation of the 4Cs allows diamond quality to be communicated in a universal language so customers know exactly what they’re about to purchase. As the creators of the diamond 4Cs and the International Diamond Grading System, GIA is the global authority and the world’s trusted source of unbiased assessment.