Cullinan Diamond
The Cullinan Diamond is the largest gem-quality rough diamond ever found, weighing , discovered at the Premier No. 2 mine in Cullinan, South Africa, on 26 January 1905. It was named after Thomas Cullinan, the mine's chairman.
Princie Diamond
The Gemological Institute of America characterizes the Princie Diamond as fancy intense pink, natural color, VS2 clarity, Type IIa. The Princie diamond is at this time the largest Golconda-type fancy intense pink diamond ever to be graded at the Gemological Institute of America. The Princie also has the property that when exposed to ultraviolet light it displays bright orangey-red fluorescence. According to the Gemological Institute of America this kind of reaction to ultraviolet light is typical of diamonds of Indian origin. Of more than 7 million diamonds that have gone through the Gemological Institute of America's laboratory, no more than 40 exhibited this phenomenon and the Princie is the largest pink diamond that possesses it.