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.
1 G20 The United States has ratified or acceded to fewer key human rights treaties than all other countries in the G20 group. 2  3 The Convention on the Rights of the Child has been ratified by all but three countries in the world: the United States, Somalia, and South Sudan.