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.
Pink Panther jewel
The Darya-ye Noor diamond is believed to be the largest pink diamond in the world. The stone is estimated to weigh 175 and 195 carats and is a light pink color. Its exact weight is unknown because it has been mounted in its brooch setting for over 130 years. The stone is part of the Iranian Crown Jewels and is displayed at the Central Bank of Iran in Tehran.