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 Since 1997 Mantua has hosted the Festivaletteratura, one of the most renowned literary events in Europe. 2  In 2007 the remains of two people, known as the Lovers of Valdaro, were discovered during the construction of a factory. 3  The remains are thought to be between 5000 and 6000 years old.