An uncut diamond is selected from a collection of colorless and colored diamonds on a sorting table at DTC Botswana, a unit of De Beers, in Gaborone,...
Forevermark Encodia diamond bracelet, produced by De Beers, is seen at their offices in London, U.K., on Friday, Nov. 16, 2012. De Beers, the biggest...
The open cast diamond mining pit is seen from the perimeter at Jwaneng mine, operated by the Debswana Diamond Co., a joint venture between De Beers...
An employee displays a 109 carat uncut diamond worth an estimated value of up to $2 million in this arranged photograph at DTC Botswana, a unit of De...
An employee is seen from below using a magnifier to inspect a selection of uncut diamonds in this arranged photograph at DTC Botswana, a unit of De...
Caterpillar Inc. Mining truck moves diamond-bearing kimberlite rock from the pit floor to a processing plant at the Jwaneng mine, operated by the...
Excavators and mining trucks operate in a pit beneath the main kimberlite rock processing facility at Jwaneng mine, operated by the Debswana Diamond...
An employee displays a handful of uncut diamonds in this arranged photograph at DTC Botswana, a unit of De Beers, in Gaborone, Botswana, on Thursday,...
Mining trucks wait to collect excavated rock on a pit road beneath the main kimberlite rock processing facility at the Jwaneng mine, operated by the...
An employee displays a handful of uncut diamonds in this arranged photograph at DTC Botswana, a unit of De Beers, in Gaborone, Botswana, on Thursday,...
An employee uses an angled light and a magnifier to illuminate uncut diamonds at a sorting table in DTC Botswana, a unit of De Beers, in Gaborone,...
An employee looks at an uncut diamond through a magnifying glass at DTC Botswana, a unit of De Beers, in Gaborone, Botswana, on Thursday, Oct. 25,...
An employee uses an angled light and a magnifier to sort uncut diamonds at a sorting table in DTC Botswana, a unit of De Beers, in Gaborone,...
An employee displays a handful of uncut diamonds in this arranged photograph at DTC Botswana, a unit of De Beers, in Gaborone, Botswana, on Thursday,...
Employees polish and finish diamonds at workstations at the Shrenuj Botswana Ltd. Sightholder office in Gaborone, Botswana, on Thursday, Oct. 25,...
An employee inspects a diamond during the polishing process using an automated polishing machine at the Shrenuj Botswana Ltd. Sightholder office in...
An employee uses a magnifier to inspect a finished pear-shaped diamond before final classification at the Shrenuj Botswana Ltd. Sightholder office in...
An employee uses a light table to sort through a collection of uncut diamonds at DTC Botswana, a unit of De Beers, in Gaborone, Botswana, on...
Selection of colorless and colored uncut diamonds sit on a sorting table at DTC Botswana, a unit of De Beers, in Gaborone, Botswana, on Thursday,...
An employee uses a magnifier to inspect a finished pear-shaped diamond before final classification at the Shrenuj Botswana Ltd. Sightholder office in...
An employee positions a diamond on a polishing wheel at the Shrenuj Botswana Ltd. Sightholder office in Gaborone, Botswana, on Thursday, Oct. 25,...
Employees polish and finish diamonds at workstations at the Shrenuj Botswana Ltd. Sightholder office in Gaborone, Botswana, on Thursday, Oct. 25,...
High quality round "Forever Mark" diamond sits on its identification packet at the Shrenuj Botswana Ltd. Sightholder office in Gaborone, Botswana, on...
An 18 carat uncut diamond is placed on its identification packet at the Shrenuj Botswana Ltd. Sightholder office in Gaborone, Botswana, on Thursday,...
Finished pear-shaped diamond is displayed by an employee using tweezers in this arranged photograph at the Shrenuj Botswana Ltd. Sightholder office...
Black cutting marks are seen on an uncut 20 carat diamond at the Shrenuj Botswana Ltd. Sightholder office in Gaborone, Botswana, on Thursday, Oct....
Mineworker displays a lump of diamond-bearing kimberlite rock from the pit floor in this arranged photograph at the Jwaneng mine, operated by the...
Uncut diamonds sit in labeled trays inside a storage case during processing at DTC Botswana, a unit of De Beers, in Gaborone, Botswana, on Thursday,...
Small groups of uncut diamonds, sorted into different grades and labeled, are seen on a sorting table at the De Beers office in London, U.K., on...
Uncut diamonds are seen in this arranged photograph at the De Beers office in London, U.K., on Friday, Nov. 16, 2012. De Beers, the biggest diamond...
An uncut diamond is selected from a collection of colorless and colored diamonds from a sorting table at the De Beers office in London, U.K., on...
Digger moves diamond-bearing kimberlite rock at the base of the Jwaneng mine, operated by the Debswana Diamond Co., a joint venture between De Beers...
An employee marks up a diamond with cutting lines at the Shrenuj Botswana Ltd. Sightholder office in Gaborone, Botswana, on Thursday, Oct. 25, 2012....
Piles of uncut diamonds are seen during the grading process in the sorting room at DTC Botswana, a unit of De Beers, in Gaborone, Botswana, on...
An employee displays a large uncut diamond in this arranged photograph at DTC Botswana, a unit of De Beers, in Gaborone, Botswana, on Thursday, Oct....
An employee inspects an uncut diamond at DTC Botswana, a unit of De Beers, in Gaborone, Botswana, on Thursday, Oct. 25, 2012. De Beers, the biggest...
An employee sorts through a pile of uncut diamonds during the grading process in the sorting room at DTC Botswana, a unit of De Beers, in Gaborone,...
Pile of colorless and colored uncut diamonds sit on a sorting table during processing at DTC Botswana, a unit of De Beers, in Gaborone, Botswana, on...
Collection of uncut colored and colorless diamonds are seen on a sorting table at the De Beers office in London, U.K., on Friday, Nov. 16, 2012. De...
An employee gathers a pile of uncut diamonds ready for grading in this arranged photograph at the De Beers office in London, U.K., on Friday, Nov....
Uncut diamonds are seen in this arranged photograph at the De Beers office in London, U.K., on Friday, Nov. 16, 2012. De Beers, the biggest diamond...
Collection of uncut colorless diamonds are seen on a sorting table at the De Beers office in London, U.K., on Friday, Nov. 16, 2012. De Beers, the...
Small groups of uncut diamonds, sorted into different grades, are seen on a sorting table at the De Beers office in London, U.K., on Friday, Nov. 16,...
Group of uncut diamonds, identified for use in industrial processes are seen on a sorting table at the De Beers office in London, U.K., on Friday,...
An employee sits at a sorting table and uses magnifying glass to sort uncut diamonds at the De Beers office in London, U.K., on Friday, Nov. 16,...
Empty chairs and sorting tables are seen in the diamond processing area at the De Beers office in London, U.K., on Friday, Nov. 16, 2012. De Beers,...
Small groups of uncut diamonds arranged into different grades, are seen on the sorting table at the De Beers office in London, U.K., on Friday, Nov....
Employees use angled lights and magnifying glasses to sort uncut diamonds at the De Beers office in London, U.K., on Friday, Nov. 16, 2012. De Beers,...
Employees use angled lights and magnifying glasses to sort uncut diamonds at at the De Beers office in London, U.K., on Friday, Nov. 16, 2012. De...
Employees sit at a sorting table and use magnifying glasses to sort uncut diamonds at the De Beers office in London, U.K., on Friday, Nov. 16, 2012....
Mining truck carries diamond-bearing kimberlite rock away from the pit floor at the Jwaneng mine, operated by the Debswana Diamond Co., a joint...
Mining truck carries diamond-bearing kimberlite rock to a processing facility after being cut from the base of the Jwaneng mine, operated by the...
Mining truck carries diamond-bearing kimberlite rock to a processing facility after being cut from the base of the Jwaneng mine, operated by the...
Mineworkers stand near a digger on diamond-bearing kimberlite rock at the base of the Jwaneng mine, operated by the Debswana Diamond Co., a joint...
Bheki Sibiya, chief executive officer of the Chamber of Mines, reacts during a Bloomberg Television interview in Johannesburg, South Africa, on...
Bheki Sibiya, chief executive officer of the Chamber of Mines, speaks during a Bloomberg Television interview in Johannesburg, South Africa, on...
Bheki Sibiya, chief executive officer of the Chamber of Mines, pauses during a Bloomberg Television interview in Johannesburg, South Africa, on...
An uncut "Forever Mark" diamond is displayed with its cutting marks beside an identifying stamp at the Shrenuj Botswana Ltd. Sightholder office in...
Employees prepare diamonds for polishing on a polishing wheel at the Shrenuj Botswana Ltd. Sightholder office in Gaborone, Botswana, on Thursday,...
Employees wait at quality control windows to assess the grade of finished diamonds at the Shrenuj Botswana Ltd. Sightholder office in Gaborone,...
