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“I am bullish on the future of the diamond business. Three reasons for this optimism... new discoveries, extending mine life and the increasing demand for diamonds”, says Martin Leake

Martin Leake is a PhD exploration geologist and Six Sigma black belt who has been involved in the rough diamond market since 2004. He worked for BHP Billiton for 22 years and recently left Grib Diamonds where he helped set up a world-class marketing...

18 september 2017

Diamond exploration junior obtained conclusive proof of diamond-bearing kimberlites in Russia’s North

OOO Proex Service, which is searching for diamonds in the Arkhangelsk Region of Russia, discovered seven kimberlite pipes in the Kozolsky license area having spent 15 months for the find. One of the pipes is very similar to the highly diamondiferous...

11 september 2017

People do not just make fun in the social media, they make purchases there

Oksana Senatorova has been famous in the jewellery world for a long time as a publisher of the ‘Navigator in the Jewellery Trade’ journal, organizer of the international contest ‘The Best Jewellery Store of the Year’, curator of professional events and...

04 september 2017

‘There is no illegal tanzanite mining in Tanzania’

Richland Resources, which wholly-owned TanzaniteOne until the Tanzanian government forced it to relinquish half of its stake to the State Mining Corporation (STAMICO), exited the country in 2015 to focus on its operations in Australia. The formalisation...

28 august 2017

David Block: “Intellectual property theft is not just Sarine's problem...whole industry should combat this phenomenon.”

For more than 15 years, David Block served in various senior positions at Sarine Technologies in Israel and India. From 2012 until his appointment as CEO in 2017, Block was Sarine's Deputy CEO and Chief Operating Officer, with responsibility for...

21 august 2017

De Beers says it will auction polished diamonds manufactured from its own rough

19 may 2017

De Beers’ Auction Sales said it will pilot the sale of its own polished diamonds using auctions for the first time. It said in a statement that the sale would comprise a wide range of polished stones manufactured directly from its rough diamonds.
De Beers occasionally used a third party contractor to cut and polish some of its rough diamonds to better understand to what extent they are delivering customers’ polished outcome requirements.
“We have a limited amount of a wide range of polished diamonds, so it makes commercial sense for us to trial this auction on our existing platform,” said De Beers’ Auction Sales Executive Vice President Neil Ventura.
“We are interested in testing the level of demand from polished buyers for diamonds that have a clear and attractive source of origin, and that offer the assurance of product integrity that dual certification provides.
He said a successful auction would also generate an additional polished price reference in US dollars per carat.
“In addition, this will complement our existing rough auctions and enable buyers to fill supply and inventory gaps if they were unable to secure supply at our spot and forward auctions for rough diamonds,” said Ventura.
Meanwhile, the group said polished diamonds were available following contract manufacturing of De Beers Auction Sales rough diamond products to assess what range of polished diamonds they would produce.
The polished diamonds would also be accompanied by both International Institute of Diamond Grading & Research (IIDGR) and Gemological Institute of America (GIA) grading reports.

Mathew Nyaungwa, Editor in Chief of the African Bureau, Rough&Polished

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