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.
Pearl of Puerto
Pearl of Puerto, also referred to as Pearl of Puerto Princesa () is the largest known natural pearl in the world. It was found in the Philippines sea by a Filipino fisherman. It measures 2.2 feet (67 cm) long, 1 foot (30 cm) wide and weighs 34 kilograms (75 lb).