National Jeweler Network

Pricing

08/08/14

First half production, prices up, Rio Tinto says

Diamond production rose 2 percent in the first half of the year for Rio Tinto Group, while higher diamond prices boosted earnings in the mining company’s Diamonds & Minerals group.

07/21/14

Rough prices up 6 percent year-to-date

Alrosa reported a 13 percent increase in revenue from rough diamond sales in the first half of the year in a “positive” market where it said rough prices rose about 6 percent.

07/18/14

Lucara sale of exceptional rough nets $40M

Mining company Lucara Diamond Corp. generated more than $40 million at its recent tender of high-quality rough diamonds from the Karowe mine, which consisted of 16 single-stone lots. 

06/25/14

Alrosa reports 43 percent increase in Q1 sales

Russian diamond miner Alrosa saw revenue increase more than 40 percent in the first quarter, although net profit fell slightly year-over-year.  

04/22/14

Rough diamond sales climb 15 percent for Alrosa

Though diamond prices were stagnant, the volume of rough sold by Alrosa in 2013 was enough to offset it, resulting in increased year-over-year sales. 

02/14/14

Petra’s big blue diamond goes for $25M

Petra Diamonds announced Friday that it has sold the 29.6-carat rough blue diamond it uncovered at the Cullinan mine in South Africa last month.

01/08/14

Court tosses WB David claim against De Beers

A federal judge in New York has dismissed W.B. David & Co. Inc.’s lingering claim in its 10-year-old case against De Beers’ rough diamond sales arm, the last outstanding antitrust case against the diamond miner and marketer in the United States.

12/20/13

Antwerp Diamond Bank sold to Chinese company

KBC announced Thursday that Shanghai-based Yinren Group has acquired its subsidiary Antwerp Diamond Bank (ADB), one of the leading financers of the diamond trade, for an undisclosed sum.  

11/07/13

74-carat diamond leads Rio Tinto’s special tender

On the heels of a pink diamonds sale that set two records, mining company Rio Tinto reported “strong results” at its recent tender of large rough, dubbed the “Specials” tender.  

09/13/13

Stock market index for diamonds to launch

An index that tracks the price of diamonds like the NASDAQ 100 follows the largest non-financial companies is slated to launch in the near future, with a diamonds-as-investment vehicle potentially not far behind. 

06/13/13

De Beers class action drawing to a close

The last of the checks in the De Beers class-action lawsuit settlement should go out in the next couple of weeks, and the case--which began more than 10 years ago and initially was settled in 2008--should be closed by year’s end. 

06/06/13

Large rough brings big money for mining cos.

Two smaller mining companies recently reported that large, exceptional rough diamonds recovered from their mines in Africa have sold for millions. 

05/29/13

Lucara nets $25M at first large stone tender

Mining company Lucara Diamond Corp. reported that its first tender of big and “exceptional” rough diamonds garnered a total of $24.9 million, or $30,468 per carat. 

05/20/13

IDEX Online: Diamond prices to rise 6 percent a year

Diamond prices will rise by an average of 6 percent annually through to 2020 due to constrained supply not being able to meet rising demand from China and India, according to BMO Capital Markets analyst Edward Sterck.