GIA’S 4CS GUIDE TO UNDERSTANDING DIAMOND QUALITY

Beautiful. Rare. Cherished. There is no gemstone quite like a diamond. Each one is unique. And each has specific qualities that establish its value. As creator of the 4Cs and the International Diamond Grading System,™ GIA is the global authority and trusted source for unbiased diamond quality assessment. This guide is devoted to helping you choose both well and wisely when shopping for a diamond.