Adding to its educational efforts in Africa, GIA recently entered into a collaboration with the Nelson Mandela Centre of Memory to provide Mandela Day Libraries to four South African elementary schools.

Many people know that diamonds typically come in a range of colors from D to Z on the GIA color-grading scale.  However, most people don’t know how the naked eye sees color in a diamond.

GIA’s 4Cs Q&A series wraps up with some bonus information on fluorescence, while passing along a few friendly words of advice.

In addition to setting standards for determining gem quality and conducting front-line research, GIA protects the gem-buying public by educating gem and jewelry professionals. In fact, GIA was founded more than 80 years ago as an educational institution to help jewelers accurately and ethically communicate gem information to the public.

GIA’s 4Cs Q&A series continues with a careful consideration of carat weight.