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14 de ene. de 2016 · The Basics. The GIA Cut Grading System applies to the most popular cutting style – the standard round brilliant – and all clarities across the D-to-Z color range. There are five cut grades: Excellent (EX), Very Good (VG), Good (G), Fair (F) and Poor (P). A diamond with an Excellent cut grade is very bright.
This short video explains the GIA cut scale and how GIA classifies round brilliant cut diamonds with a cut grade ranging from Excellent to Poor by factoring in a range of parameters including the diamond’s proportions, culet size, girdle thickness, polish and symmetry descriptions.
6 de mar. de 2024 · By Mike Fried, Updated March 6, 2024. Cut is one of the diamond’s four primary quality markers, known as the 4Cs. It relates to the diamond’s proportions and technical details, influencing its brilliance. A superior cut offers enhanced fire and sparkle. Diamond cuts are graded from ‘Excellent’ (or ‘Ideal’) at the top to ‘Poor’ at the bottom.
There are three diamond cuts used to craft every diamond shape: brilliant cut, step cut and mixed cut. Brilliant Cut. The brilliant cut is the most popular facet arrangement. It is made of triangular and kite-shaped facets, all arranged to optimize brilliance, or light return.
Learn why diamonds cut is (one of) the most important factors of the 4C's of a diamond. Understand how cut impacts a diamond’s brilliance, sparkle and overall quality and how it impacts price.
A diamond cut is a style or design guide used when shaping a diamond for polishing such as the brilliant cut. Cut refers to shape (pear, oval), and also the symmetry, proportioning and polish of a diamond. The cut of a diamond greatly affects a diamond's brilliance—a poorly-cut diamond is less luminous.
26 de abr. de 2018 · Cut is the most complex of a diamond’s 4Cs. Let’s cover some essentials so you can pick the perfect round brilliant diamond engagement ring. In this blog, we cover: Diamond cut quality and why it’s important. What goes into a GIA diamond cut grade. Diamond sparkle and face-up appearance. Why diamond proportions are important.
