While fracture filling as a method to enhance gems has been found in gems over 2,500 years old, the diamond's unique refractive index required a more advanced solution than simple wax and oil treatments. This technology became available roughly 20 years after the time the laser drilling technique was developed.
The MANCOSA MBA is an internationally recognised postgraduate academic programme and, one of the most highly recognised in Southern Africa.
CGA through their strategic partnership with ACCA (UK), CPA (Australia) and CPA (Ireland) provides their members with more enhanced international designation portability than CA or CMA. It may help to do your research before you misinform the public.