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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.
While both reports contain a number of measurements, including dimensions, proportions, carat weight, color, and clarity, the Diamond Grading Report also includes a diamond plot (a graphic representation of the position and type of inclusions present in the diamond). Diamond reports from GIA (as well as other, for-profit sources) are now ...
When color grading is done in the mounting, the grade is expressed as an estimated color grade and commonly as a range of color. Grading mounted diamonds involves holding the mounted diamonds table close to the table facet of the master stone and visually comparing the diamond color under the same color conditions as unmounted diamond grading ...
The clarity, or purity, of a diamond refers to internal inclusions of the diamond, and is one of the 4-Cs in determining a diamond's value.Common inclusions that appear inside diamonds are black carbon spots and small cracks, commonly referred to as fractures or "feathers", due to their feathery whitish appearance when viewed from above or through the side.
Diamonds are such a highly traded commodity that multiple organizations have been created for grading and certifying them based on the "four Cs", which are color, cut, clarity, and carat. [1] [2] Other characteristics, such as presence or lack of fluorescence, also affect the desirability and thus the value of a diamond used for jewelry.
In 2016, Sarine announced that it was developing new devices for automated grading of diamond color and clarity. [39] Known as Sarine Clarity™ and Sarine Color™, the devices are based on machine learning, and are regarded as creating the first standardized and automated approach to diamond grading and gem labs. [40] [41]
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