[Update] The Naked Eye - Diamond's Worst Friend

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0 The Naked Eye - Diamond’s Worst Friend

One of the important reasons for the dominance of diamond in the
gem market is the existence of a comprehensive and
internationally-accepted system of quality analysis. This allows
us common folk to buy with confidence, for with a diamond grading
report we have an independent �expert� opinion of the stone�s
quality. But how �expert� are them experts anyway. Is this
opinion, itself, always infallible? Do the different quality
steps really indicate genuine differences in quality?