I am looking at a diamond that scores a 1.6 on the HCA (and shows it in the GIA Excellent candidates and AGS Ideal candidates.) The AGS report, dated February 2007 grades the cut as Excellent "1". Blue Nile rates the cut as "very good" (they have ideal and signature ideal above it). These scores seem to semi conflict with each other. Does this seem to be a well cut diamond?
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