Colour-Change Garnet in Diamond
This diamond contained an inclusion of pyrope-spessartine garnet that appeared greyish green in fluorescent light and purplish red in incandescent light.
Undisclosed Samples of Large CVD Synthetic Diamond
In mid-2012, one of the international diamond grading laboratories in Antwerp reported undisclosed CVD synthetic diamonds, causing a stir in the diamond industry.
Unusual Dumbbell-Like Inclusion in Diamond
Examination of a 0.40 ct near-colourless round brilliant diamond with a large inclusion resembling a dumbbell