Seeing red: Red diamonds are perhaps the most elusive of all colored diamonds
Is a red diamond red when it comes out of the ground? Is it red when it comes off the polishing wheel? Or is it red when it's seen under a particular light source? The answer is: yes, yes and yes. But in the current marketplace, where Gemological Institute of America (GIA) certification is the "must-have" document, a diamond is officially red only when it is certified by the GIA to be "fancy red."
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