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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

Lucara recovers 472 ct diamond, third largest ever found at Karowe

13 april 2018

Lucara Diamond said it recovered a 472 carat light brown gem diamond, the third largest stone ever recovered from its wholly-owned Karowe diamond mine in Botswana.
Company chief executive Eira Thomas said the stone would be sold alongside other exceptional stones recovered since the beginning of the year as part of the first exceptional stone tender (EST) later in the year.
Lucara recovered 218 specials in excess of 10.8 carats in the first quarter.
These included four stones greater than 100 carats and eight EST qualifying diamonds.

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Karowe mine                                                                                                      Image credit: Lucara Diamond


“In 2018, mining at Karowe is focused in the high value south lobe, which consistently delivers large, high quality diamonds in excess of 10.8 carats in size,” she said.
Meanwhile, Lucara said it continues to focus on maximising value at Karowe where a pre-feasibility study assessing the potential for going underground and extending mine-life from 2026 to 2036 was currently underway.
The company, which in February acquired Clara, a secure, digital, rough diamond sales platform, said commercialisation work had since commenced under a budget of about $2 million.
The programme was on schedule for implementation using diamonds from Karowe beginning in August, it said.

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

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