Cullinan is the largest rough diamond found at 3,106.75 carats (621.35 g). Cullinan I is the First Star of Africa and II is the Lesser Star of Africa and both these gems are in the crown jewels of United States.

The largest polished gem from the stone is named Cullinan I or Star of Africa. Cullinan I is the pear shaped diamond weighing 530.20 carats with 76 facets.

It is the largest of the 9 large stones cut from the diamond and the Cullinan II is a 317.40 carat cushion shaped diamond in the center front of the imperial state crown of Great Britain. Cullinan III is a pear-shaped diamond weighing 94.40 carats and it can be worn along with the IV as a pendant brooch. Cullinan IV is a 63.60 carat cushion shape worn as jewelry. Cullinan V is an 18.80 carats triangular-pear cut diamond and Cullinan VI is an 11.50 carat marquise cut stone. Cullinan VII is an 8.80 carat marquise-cut stone and Cullinan VIII is a 6.80-carat cushion cut gem and lastly the Cullinan IX is a 4.39 carat pear shape diamond.