Cut Rating Diamond

Gia only rates round diamonds with the highest possible grade being excellent.

Cut rating diamond.

Classification of diamond color on a d colorless z tinted scale. Cut grade is the most important factor in determining the overall appearance of a diamond because a poorly cut diamond will seem dull even with excellent clarity and color. Blue nile offers four different cut grades ideal. Of the 4cs cut is the biggest factor in determining a diamond s sparkle and beauty.

Diamond quality charts and rating scales illustrated. Diamond clarity is the quality of diamonds that relates to the existence and visual appearance of internal characteristics of a diamond called inclusions and surface defects called blemishes clarity is one of the four cs of diamond grading the others being carat color and cut. The gia diamond grading report includes an assessment of a diamond s 4cs color clarity cut and carat weight along with a plotted diagram of its clarity characteristics and a graphic representation of the diamond s proportions. Conversely a well cut diamond can have a slightly lower color g h or clarity si1 si2 and still look quite beautiful due to its superior ability to create sparkle and.

For standard round brilliant cut diamonds falling in the d to z color range the report also includes a. Which grade diamond cut is the best. In fact a well cut diamond will reflect more light and appear larger than it actually is. This is why expert and accurate assessment of diamond clarity is extremely important.

Here you will learn how gia diamond grades are established and how those grades affect the diamond s price. To the naked eye a vs 1 and an si 2 diamond may look exactly the same but these diamonds are quite different in terms of overall quality. For people who are in a time crunch here s a summary of the diamond rating scales and charts for your convenience. A well cut diamond has better light return which results in better sparkle and brilliance.

This means if it is cut poorly it will be less luminous. Each of the four c s carat weight cut color clarity is accompanied by a diamond chart illustrating the differences between grades. Knowing what diamond clarity truly means helps you understand the factors that contribute to diamond quality and price. Inclusions are solids liquids or gases that were trapped in a mineral as it formed.

Every diamond certified by the gia undergoes a thorough independent evaluation. A diamond cut is a style or design guide used when shaping a diamond for polishing such as the brilliant cut cut does not refer to shape pear oval but the symmetry proportioning and polish of a diamond. The cut of a diamond greatly affects a diamond s brilliance. This rare cut represents roughly the top 3 of diamond cut quality it reflects most of the light that enters the diamond.

Very good grade round diamonds will also offer excellent brilliance and sparkle. This is because a well cut diamond has greater brilliance fire and scintillation that can easily conceal flaws.