Since Argyle Diamond Mine was officially opened in 1985 it has produced over 600 million carats of diamonds. By volume this mine is the largest producing diamond mine in the world but only about 5 percent of the stones produced are considered gem-quality. Other diamond mines usually have about 20 percent considered gem-quality.
Champagne Diamond
The majority of the Champagne color diamonds are found in the Ragged Ranges in the Kimberley region of Australia. In this remote corner of north west Australia is the largest diamond mine in the world the called Argyle Diamond Mine. Diamonds were discovered here in October of 1979.