Events & AwardsJun 30, 2025
AGA Names Recipient of 2025 Gemological Education ScholarshipThis year’s winner is Morgan Keefe, who is currently studying at GIA to be a gemologist.
SourcingJan 26, 2015
Rio Tinto releases newest Select Diamantaires list
Mining company Rio Tinto has released the names of the companies that now have long-term contracts to buy diamonds from one or more of its three mines--Argyle, Diavik or Murowa.
London--Mining company Rio Tinto has released the names of the companies that now have long-term contracts to buy diamonds from one or more of its three mines--Argyle, Diavik or Murowa.
The list of the 17 Select Diamantaires named this year are as follows.
--Crossworks Manufacturing Ltd.
--CTF Diamond Trading Company Ltd.
--Diambel N.V.
--Dianco B.V.B.A.
--Diarough N.V.
--Dimexon Diamonds Ltd.
--E. Schreiber, Inc.
--Gemmata N.V.
--Hari Krishna Exports Pvt. Ltd.
--IDH Diamonds N.V.
--Interjewel Pvt. Ltd.
--KP Sanghvi & Sons
--L&N Diamonds Ltd.
--Laurelton Diamonds
--Sheetal Group
--Signet Direct Diamond Sourcing Ltd
--Venus Jewel
Rio Tinto recently reported a double-digit drop in diamond production last year as compared with 2013. Output decreased by 13 percent, dropping from 16 million carats in 2013 to 13.9 million carats in 2014.
The Argyle diamond mine in Western Australia saw the greatest decline in output last year, which Rio Tinto said is due to the transition from an open pit to an underground mine as well as the processing of lower grade ore as underground production ramps up.
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