Polish is graded on a scale of Excellent to Poor, on presence and visibility of polish features at 10x magnification.
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Diamond Polish Specifications
|Excellent||No polish defects visible at 10x magnification.|
|Very Good||Any defects are extremely difficult to see at 10x magnification.|
|Good||Any defects are difficult to see at 10x magnification.|
|Fair||Defects are noticeable at 10x magnification, and may be visible to the naked eye. Not offered by Austen Blake.|
|Poor||Defects are visible to the naked eye. Not offered by Austen Blake.|