These fragments are known as “xenoliths” and they contained the diamonds.

Crater-of-Diamonds-15

Crater-of-Diamonds-15

Crater-of-Diamonds-15

Crater-of-Diamonds-15

Crater-of-Diamonds-2

crater-of-diamonds-16

Crater-of-Diamonds-4

Crater-of-Diamonds-11

crater-of-diamonds-23

Crater-of-Diamonds-10

Crater-of-Diamonds-12

Crater-of-Diamonds-6

Crater-of-Diamonds-5

Crater-of-Diamonds-14

Crater-of-Diamonds-3

crater-of-diamonds-21

Crater-of-Diamonds-13

Crater-of-Diamonds-7