Diamond jewelry - History full of fascination

Evaluation of gemological institute is another contributing factor that affects diamond’s price. Most recognized gemological association is Gemological Institute of America (GIA). GIA has long history in performing evaluations on diamonds because they were first laboratory in America to issue modern diamond reports and evaluations and are known for their consistency. Evaluation is very important especially when judging color and clarity because here is very much needed professional assistance and experienced eye unlike carat weight and cut angles that are mathematically defined. Among other highly judged evaluation societies are also American Gemological Society and Diamond High Council located in Antwerp, Belgium. Antwerp is the major city of world's diamond industry. So let us begin with four CS.