What is GIAs history?
GIA is the creator of the famous 4Cs of diamond value (color, clarity, cut, and carat weight). It is also the corporate birthplace of the International Diamond Grading System. Today, GIAs D-Z color-grading scale and GIAs FlawlessI3 clarity-grading scale are recognized by virtually every professional jeweler and savvy diamond buyer in the world. Internationally, the Institute has distinguished itself as the preeminent source of gemological knowledge and professionalism. By extension, the GIA Diamond Grading Report and the GIA Diamond Dossier are considered the world’s premier gemological credentials. Diamonds of all shapes and sizes are sent to the Institute from every corner of the globe for analysis and grading. Some of the more celebrated stones graded by GIA include: the Hope Diamond (45.52 carats), the Steinmetz Pink (59.60 carats), the Taylor-Burton Diamond (69.42 carats), the Allnatt (101.29 carats), the De Beers Millennium Star (203.04 carats), the Centenary Diamond (273.85 cara
