This diamond contained an inclusion of pyrope-spessartine garnet that appeared greyish green in fluorescent light and purplish red in incandescent light.
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In mid-2012, one of the international diamond grading laboratories in Antwerp reported undisclosed CVD synthetic diamonds, causing a stir in the diamond industry.
Read MoreExamination of a 0.40 ct near-colourless round brilliant diamond with a large inclusion resembling a dumbbell
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