<P> Cullinan produced stones of various cuts and sizes , the largest of which is named Cullinan I or the Great Star of Africa , and at 530.4 carats ( 106.08 g ) it is the largest clear cut diamond in the world . Cullinan I is mounted in the head of the Sovereign 's Sceptre with Cross . The second - largest is Cullinan II or the Second Star of Africa , weighing 317.4 carats ( 63.48 g ) , mounted in the Imperial State Crown . Both diamonds are part of the Crown Jewels of the United Kingdom . </P>
<P> Cullinan produced stones of various cuts and sizes , the largest of which is named Cullinan I or the Great Star of Africa , and at 530.4 carats ( 106.08 g ) it is the largest clear cut diamond in the world . Cullinan I is mounted in the head of the Sovereign 's Sceptre with Cross . The second - largest is Cullinan II or the Second Star of Africa , weighing 317.4 carats ( 63.48 g ) , mounted in the Imperial State Crown . Both diamonds are part of the Crown Jewels of the United Kingdom . </P>
where is the star of africa diamond kept
where is the star of africa diamond kept
part of the Crown Jewels of the United Kingdom
part of the Crown Jewels of the United Kingdom