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AA 5 has several meanings, depending on the context. It is apparently a rating system in Great Britain for lodging. (AA, 5 diamond.)
For diamond stones, this rating is sometimes applied to jewelery-grade black diamonds, as a grading system for clarity.
This is not a grading scale used by the Gemological Institute of America or the European grading scale. It is a scale used, however, for industrial diamonds, according to the link, below.
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∙ 13y ago
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What is aa5?
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What are the top ten hardest rocks?
1. diamond 2.diamond 3.diamond 4.diamond 5.diamond 6.diamond 7.diamond 8. diamond 9.diamond 10.diamond
Is a simulant diamond a real diamond?
No, a simulant diamond is a fake diamond.
What is the difference between a real diamond and a diamond aura diamond?
a aura diamond is a man made diamond.
Which or what is the hardest steel chalk soap wood rubber diamond or plastic?
Diamond is the hardest.
Can you see through diamond?
Diamond is transparent to non-transparent, depending on the diamond.
What stone can only be cut by diamond?
Diamond. Diamond is, for example, polished with diamond powder.
What diamond do you pick at the diamond mines?
The diamond with the symbol on it.
What can scrach a diamond?
Another diamond can scratch a diamond.
Diamond is .?
Diamond is _____.
What is asha diamond?
There is a brand name diamond simulant -- fake diamond -- named Asha Diamond.
Can a diamond scratch itself?
A diamond can scratch a diamond, but one diamond cannot scratch itself.
