The cushion-cut ct Cullinan II is also called the Lesser Star of Africa. There are loops at top and bottom which allow it to be worn as a brooch, by itself, in the crown, or with the Star of Africa from the scepter.
The Jubilee. This glorious colorless, cushion-shaped diamond with a weight of carats ranks as the sixth largest diamond in the world. The original rough stone weighed (metric) carats; it was found in the Jagersfontein Mine towards the end of
Spirit of de Grisogono. The largest cut black diamond in the world is also the world's fifth-largest diamond of any kind It was 587 carats before it was cut. It is set in a ring that contains 702 white diamonds.
The Incomparable was found in the Democratic Republic of Congo (formerly Zaire) in the town of Mbuji Mayi in the The rough stone weighed 890 carats, and was found by a young girl playing in a pile of rubble outside her uncle's house.