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Diamond Grading: There’s More than Just 4 C’s

http://dailypost.wordpress.com/2012/10/25/daily-prompt-2/ Most people know about the 4 C's of diamond grading.   Those are important, but they're not the only factors a gemologist has to take into consideration when grading a diamond.  Here's a little information about some of those other factors: Flourescence Some gem-quality diamonds fluoresce: they emit light when exposed to long-wave ultraviolet light.… Continue reading Diamond Grading: There’s More than Just 4 C’s