10 most expensive diamonds worldwide

10

The Rock 228.31 Carats 

9

Woyie River Diamond 770 Carat 

8

Millennium Star 777 Carats 

7

Koh-i-Noor 793 Carats

6

Constellation 813 Carat

5

Excelsior Diamond 995.2 Carats

4

Star of Sierra Leone 968.9 Carat

3

Debswana 1,098 Carat

2

Graff Lesedi La Rona 1,109 Carat 

1

The Cullinan Diamond 3,106.75 Carat