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Assorted rough diamonds, De Beers.

A rough octahedron diamond from Namibia.

The 507 carat Cullinan Heritage, recovered at the Cullinan mine on South Africa’s Heritage Day in 2009

Rough diamond from Namibia (De Beers)

The Lesedi La Rona diamond
The world’s largest uncut diamond found at Lucara’s Karowe mine, Botswana
November 2015

Rough diamonds from Rio Tinto’s Argyle Mine, Australia

Rough diamonds from Gem Diamonds’ Ghaghoo Mine. Botswana

The Cullinan Dream
An exceptional 122.52 carat blue diamond
recovered at Petra’s Cullinan mine, South Africa
June 2014

Rough diamonds from Russia [Photo:  De Beers]

A variety of good quality coloured diamonds recovered by De Beers Marine offshore from the Namibian coastline.

Octrahedral rough diamonds

160 carat rough diamond from Letseng Mine in Lesotho
Gem Diamonds

Rough diamonds from Ekati mine, Canada
Dominion Diamond

The Letseng Diamond
Gem Diamonds

Rough diamonds  – an octahedal ‘sawable’ and a ‘makeable’

Rough diamonds from Russia (ALROSA)

Rough diamonds from Diavik mine, Canada
Rio Tinto/Dominion Diamond

Assorted rough diamonds from South Africa

Rough diamonds (including octahedrons), photographed in Kimberley, South Africa [De Beers]

Rough diamond showing an inclusion (De Beers)

Rough diamonds from Petra’s Finsch mine in South Africa

ALROSA rough diamonds