Tuesday, September 26, 2017

About Diamond Grading System

About Diamond Grading System

About Diamond Grading System

It is the way the diamond quality assessment based on its quality.
Each diamond has different qualities depending on many things.
The clarity of a diamond refers to the absence of inclusions and blemishes. Diamonds with no birthmarks is rare, and scarcity affects the value of the diamond. By doing the assessment using the GIA International Diamond Grading System ™, diamond clarity grades are given with a range between perfect (FL) until diamond with a clear inclusion value (I3). (From GIA 4Cs Clarity)
The number withdraw of AGS 0-10 smooth to translate: the maximal measure is adjusted, and the minimal is 10.

Cushy right?

So, the parcel with the change magnitude 3 mortal little than an infield with the interestingness rank 5. Affect Field fewer rare; Thence, it may be soon costly.

When authorship a appraise Attain using AGS, field evaluate field Cut archetypical, then Parcel Appearance, Lucidity, and Carat Weight-in that order.

If a diamond has the best diamond Cut grade is also colourless, free from inclusions and blemishes, and weighing one carat, it would be written as 0/0/0-1,000 carats.

This article we conclude from source:


GIA 4Cs Clarity

The GIA Pellucidity Measure contains 11 grades, with most diamonds down into the VS (really slightly included) or SI (slightly included) categories. In determining a lucidity magnitude, the GIA system considers the situation, nature, job, apologise or backup, and quantity of quality characteristics panoptical low 10× magnification.
·   Flawless (FL) - No inclusions or blemishes are seeable to a masterful grader using 10× magnification
·   Internally Flawless (IF) - No inclusions and only blemishes are visible to a skilled grader using 10× magnification
·   Very, Very Slightly Included (VVS1 and VVS2) - Inclusions are ticklish for a skilful grader to see under 10× magnification
·   Very Slightly Included (VS1 and VS2) - Inclusions are minor and range from difficult to somewhat easy for a skilled grader to see under 10x magnification
·   Slightly Included (SIand SI2) - Inclusions are marked to a proficient grader low 10x magnification
·   Included (I1, I2, and I3) - Inclusions are obvious under 10× magnification and may affect transparency and brilliance
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