At the 11th International Kimberlite Conference, a report made by senior research scientists at the Gemological Institute of America...

"A UNIQUE OPPORTUNITY TO OWN A PIECE OF HISTORY" Graff. This week, Graff Diamonds revealed his first hands of 67 diamonds it plans to...

After 1905, when the 3,106.75-carat rough “Cullinan Diamond” was discovered at the Cullinan Mine near Pretoria, South Africa. We had to...