Natural Color Diamonds are evaluated from the "face up" position, meaning gemologists look directly through the top of the diamond. Experts at both the Gemological Institute of America (GIA) and the International Gemological Institute (IGI) have three parameters by which they describe color for these exquisite stones:

Geographic Location Angola Australia Borneo Brazil Canada Central African Republic China Democratic Republic of the Congo Guinea Guyana Ivory Coast Russia Sierra Leone South Africa Tanzania Venezuela	Angola Color of Diamonds Found Colorless, Cape, Fancy Yellow, Intense Yellow, Brown, Pink. Diamond & Mine Characteristics Diamond mining began in 1912, after the first diamonds were discovered in a stream in the northeast Lunda region. Since then, Angola has become a rich diamond source, often producing very large diamonds (over 200 carats).