Any color diamond is a great investment

Bruno Scarselli belongs to the 3rd generation of the Scarselli family, which has for the last half-century been producing and selling some of the world’s highest quality yellow, blue and pink diamonds available on the market. Bruno heads the company...

20 november 2017

It’s crucial everybody feels confident that their suppliers use the System of Warranties - Stephane Fischler

The System of Warranties (SoW) in the diamond industry dates back to 2002, when the World Diamond Council (WDC) in team with the World Federation of Diamond Bourses (WFDB) and the International Diamond Manufacturers Association...

13 november 2017

IIDGR’s proprietary technology gives polished diamonds unique identity

The International Institute of Diamond Grading & Research (IIDGR), a unit of the global diamond giant, De Beers, grades natural stones and is also using its proprietary inscription technology to inscribe a unique identification on tables of each...

07 november 2017

In future, only those who offer innovative designs will survive

A science graduate from Madras University, Srinivasan's one-man venture with just 10 employees launched in 1984 has now grown into the present Emerald Group, in about 3 plus decades. The Group from Southern India is one of the largest jewellery manufacturing...

30 october 2017

Conditions are still very difficult - Ernie Blom

Ernie Blom, the President of the World Federation of Diamond Bourses (WFDB) for the third term, has served on a range of industry bodies as an executive as well as chairman for many years, including Chairman, Diamond Dealers Club of South Africa...

23 october 2017

Lucapa says Lulo partners to conduct further work on L14 kimberlite pipe

14 november 2017
Lucapa Diamond and its partners, Endiama and Rosas & Petalas said mineral chemistry results from initial seven Lulo kimberlites provide support for further work only at the L14 kimberlite pipe upstream of Mining Block 8 at the Lulo diamond project in Angola.
The seven Lulo kimberlites were L13, L14, L15, L18, L171, L242 and L252.
Lucapa said whilst the mineral chemistry results from the initial seven kimberlites suggested derivation of the indicator minerals from the upper mantle, they were largely from shallow depths and high temperatures believed to be from outside the diamond stability field.
It said the partners were planning to do follow-up testing of L14 kimberlite and would incorporate this into the current kimberlite exploration programme.
A G4D garnet was recovered from the core of kimberlite L14, last May from the time domain electromagnetic survey flown over the Cacuilo River valley area at Lulo.
G4D garnets were associated with eclogitic/websteritic material from within the diamond stability field.
The partners had been conducting a systematic drilling programme, utilising up to three rigs, to drill kimberlite targets identified near the Lulo alluvial diamond mining operations, where significant quantities of large diamonds had been recovered.
This, said Lucapa, builds on earlier exploration and bulk sampling work at Lulo in which five kimberlites were confirmed as diamondiferous pipes.
It also said that consultants were currently on site at Lulo selecting the next batch of kimberlite core samples for dispatch to Cape Town for mineral chemistry analysis.
“These laboratory results will in turn be used to prioritise a much reduced number of likely diamondiferous kimberlites for follow-up test work, including further drilling and bulk sampling to assess diamond content,” it said.

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


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