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Zimnisky: Hard to protect lab-diamond price as production methods, economics improve

Paul Zimnisky, an independent diamond industry analyst and consultant, said it will be very difficult for the lab-diamond manufactures to protect price as production processes and economics improve. He told Rough & Polished’s Mathew Nyaungwa in an exclusive...

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James Campbell: Scoping study results for SA’s Thorny River due mid-year

Botswana Diamonds appeared to have expended most of its energy and resources last year on the new Thorny River project in South Africa as its Sunland Minerals joint venture with Alrosa, in Botswana takes long to find diamonds despite significant effort...

16 april 2018

MGCJ founder Branko Deljanin: Production of synthetic diamonds is still larger than consumption

Founder and Chairman of the Mediterranean Gemmological and Jewellery Conference, MGJC, Branko Deljanin kindly agreed to answer questions from Rough&Polished related to synthetic diamonds and the upcoming 4th session MGJC in May in Budva, Montenegro.

09 april 2018

There is some magic in a diamond

Alexander Gorynya is a Director General of the St. Petersburg-based Kongo jewellery company. He is a Chairman of the Union of North-West Jewellers. In 1978, he graduated from the North-Western Extramural Polytechnic University. Since 1983, he worked...

02 april 2018

Looking for the Kimberley Process achieving further and meaningful sustainable progress

On March 7, 2018, the United Nations General Assembly welcomed the progress made by the Kimberley Process Certification Scheme to break links between the diamond trade and conflict and adopted a consensus resolution aimed at intensifying that work aligning...

26 march 2018

Diamond Fields recovers close to 27 000 carats of diamonds during offshore sampling

12 january 2017
Diamond Fields International Ltd. announced that offshore marine bulk sampling operations conducted by International Mining and Dredging Holding Ltd. recovered 26,965.45 carats from the company's ML 111 concession.
The diamonds were recovered during 62 days of bulk sampling. The two vessels conducted exploratory trenching over the period of July 10 to September 10, 2016, and vertical drill sampling operations.
The diamonds were exported to Antwerp and, after minor losses from check-weigh reconciliation and cleaning, 26,912.20 carats were rendered available for sale. Of the diamonds made available for sale, 8,975 carats have been sealed in Antwerp for future sale. The remaining 17,936.52 carats were sold at a reported sales value of US$4,73 million, or $263.78 per carat.

Theodor Lisovoy, Rough&Polished, Moscow

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