How were the dates determined and what assumptions were conveniently overlooked?
From the above quoted portion of the article: “ A team at VU Amsterdam measured the radioisotope, nitrogen and trace element contents of inclusions within the diamonds. “
They had interns watch them form...a very long dull asignment sure, but its what iterns are for. Also they could not possibly afford a paid staffer to spend over a billion years of man hours on any one task.