At the time of export of cut and polished diamonds for certification/grading, exporter should give an undertaking to the customs that the cut and polished diamonds will be re-imported within three months of exports for certification/ grading.

The export invoice should clearly indicate the estimated value, height, circumference, weight of each diamond to be exported for certification/ grading so that at the time of their import, the above specification could be compared with the original ones to establish their identity. Subsequently these cut and polished diamonds would be exported as per the provisions of the Policy.