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GIA Diamond Grading Scales: Universal Quality Measure - GIA 4Cs
Mar 14, 2013 · The prospect of purchasing a diamond may seem daunting, but through GIA, an unbiased authority on diamonds, you have several handy resources to help you select the highest quality diamond. First up, an overview of the 4Cs: Color, Clarity, Cut, and Carat Weight.
Diamond Rating & Grading Charts - American Gem Society
This diamond rating chart can help you choose the right gem. Learn the color and clarity criteria by which diamonds are graded for valuation purposes.
GIA Diamond Clarity Scale | Global Standard for Comparison - GIA …
Aug 13, 2015 · GIA diamond grading reports list a diamond’s clarity grade and also provide a clarity chart – known as the official GIA Diamond Clarity Scale – depicting the eleven clarity grades for natural diamond within the diamond clarity scale.
The GIA Diamond Grading Report includes an assessment of the 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.
The 4 Cs: Diamond Clarity Scale | Diamond Classification - AGS
Included diamonds with a clarity grade of 7, 8, 9, or 10 (I1, I2, or I3), have inclusions that are obvious at 10x magnification. Sometimes, they can be seen with the naked eye. At the lower clarities, they may have an effect on the diamond’s durability.
Understanding the GIA Diamond Grading Scales - Rogers Jewelry
Nov 6, 2024 · So, when buying a diamond, knowing the grading scales used by reputable organizations like the GIA is essential. In this article, we will guide you through the GIA diamond grading scales, helping you make an informed decision when choosing your ideal diamond.
GIA Diamond Grading | GIA 4Cs
The GIA Diamond Grading Report. This report uses the universally accepted GIA standards to determine a natural diamond’s shape, color, clarity, cut and carat weight – as well as proportions, finish and treatments. It also includes a plotted diagram which maps your diamond, identifying its unique characteristics. The GIA Diamond Origin Report.
Diamond Grading Chart – AGI | International Gemological …
AGI’s diamond clarity scale has 11 grades ranging from Flawless (FL) to Included (I). The classification system focuses on how difficult it is for a skilled grader to see inclusions and blemishes under 10x magnification.
AGS Diamond Grading System - American Gem Society
When writing the grades of a diamond using the AGS Scale, diamond Cut grade is first, then diamond Color, Clarity, then Carat Weight—in that order. If a diamond possessing the finest diamond Cut grade is also colorless, free of inclusions and blemishes, and weighs one carat, it would be written as: 0/0/0–1.000 carat.
What Are the Different Diamond Grading Scales? - angara.com
Dec 10, 2022 · To start with, a diamond grading system comprises four different grading scales established to evaluate each of the 4Cs of the diamond. These are the diamond’s cut, color, clarity and carat weight. The value of a diamond is decided based on …