Understanding Cubic Zirconia Quality Grades: 1A, 5A, Hand-Cut
Hand-cut cubic zirconia stones are individually cut with great precision. Each stone is painstaking cut, by highly trained professionals, giving them the brilliance of fine diamonds. Machine-Cut Rating System: A, AA, AAA, AAAA, AAAAA. Though the A rating system is an industry standard, it is only applicable to machine cut cubic zirconia stones.