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Generally, the different grades for emeralds include Natural AAAA (Heirloom), AAA (Best), AA (Better) and A (Good). Natural AAAA emeralds are considered the finest of the lot. They are rich green in color with moderate to minor inclusions.
May 26, 2023
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The most-prized emeralds are highly transparent. Their color is evenly distributed, with no eye-visible color zoning. If the hue is too yellowish or too bluish, ...
Emerald Grading Scale ... Emeralds are gemstones. Therefore, they can be graded by the preferred grading system for all gemstones: Natural AAA, AA, A and B.
Go to the website and start now! Emerald Rating combines Swiss quality, state-of-the-art rating methodology and decades of B-2-B experience. References: 1/.
Evaluating emerald quality, especially clarity, can be very complex. Navneet Gems & Minerals has proposed the following system for grading emerald clarity.