New York-based GIA members will hear a presentation from John Kennedy, president of the Jewelers Security Alliance (JSA), on How to Stay Safe in a Dangerous Business on March 12.
The meeting has been organized by the GIA alumni Manhattan branch.
The JSA works closely with the FBI and local police on in excess of 1,500 crimes committed against jewelry firms each year.
Firestone Diamonds plc has confirmed a police raid at its Liqhobong mine site in Lesotho on January 16.
Police officers removed computer equipment from the site despite not having a search warrant or court order, the mining company said in a statement.
There has been no disruption or impact to the operations, Firestone said.