National Jeweler Network



RapNet: 1-ct. diamond prices down 1 percent

The RapNet Diamond Index for October shows continued softness in polished diamond prices, with trading improved but sales still below last year’s levels.


Weak financial markets lead to diamond price slump

Diamond prices were down again in August and industry sentiment weakened further as the weak global financial markets impacted discretionary spending.


Diamond prices, market sentiment down in July

Diamond prices fell last month, as feelings about the industry slumped to levels not seen since the 2008 downturn, the Rapaport Group’s monthly price report states.


Diamond prices soften in June

Diamond prices continued their decline last month as markets were relatively quiet due to weak post-Vegas demand in the United States, the Rapaport Group’s monthly price report states.


Diamond markets ‘stable’ in May

Lower supply supported polished diamond prices in select sizes last month, and demand in the U.S. remains consistent, offsetting the slower markets in the Far East, Rapaport Group said.


Diamond markets ‘quiet’ in April

Trading remained muted during the month, though prices began to stabilize and activity is expected to pick up as summer wedding season approaches, the Rapaport Group said.


Polished diamond prices soften again in March

With demand weak both last month and in the first quarter, the price of polished diamonds of all sizes fell in March, according to Rapaport’s RapNet Diamond Index. 


Diamond prices remain ‘under pressure’

Polished diamond prices continued to slip in February though the market did see a bit of a lift for 1-carat stones, Rapaport’s RapNet Diamond Index shows.


Diamond prices slip again in January

Prices for 1-carat laboratory-graded diamonds fell, albeit just slightly, in the month of January even as polished diamond demand improved, continuing a downward trend that began in April.


Polished diamond prices plummet in 2014

 Slowing demand in China, reduced bank credit and tight profit margins led to a decrease in polished diamond prices last year, according to the Rapaport Group.


RapNet app now works on Android phones

RapNet, the diamond trading network operated by the Rapaport Group, has released a new Android-compatible version of its mobile application following the success of its app for iPhones. 


Index tracking fancy color diamond prices launched

The index is a product of the new Fancy Color Research Foundation, a global organization dedicated to tracking prices and supporting the selling process for fancy color diamonds.  


Polished diamond prices expected to keep dropping

Suppliers’ desire to move stock and increase their liquidity pushed down polished prices in October and they are expected to soften further, according to the Rapaport Group.  


‘Exceptional’ white diamond brings $65K a carat

Diamond cutting and manufacturing firm Diacore paid $15.2 million, or $65,577 a carat, for the 232.08-carat white diamond recovered from the Cullinan mine earlier this year.


RapNet app now syncs with desktop site

The Rapaport Diamond Trading Network announced that it will launch an updated version of its mobile application for the iPhone Sunday to allow RapNet members to more easily do business on the go. 


198-carat rough diamond sells for $10.6M

Mining company Gem Diamonds Ltd. announced Wednesday that it sold the 198-carat white diamond discovered in July for $10.6 million, a price that works out to more than $53,000 per carat. 


Blue diamond nets $28M but falls short of record

The 122.52-carat blue diamond recovered from the Cullinan mine sold for $27.6 million to a beneficiation partnership between the company that mined it, Petra Diamonds Ltd., and a “polishing partner” that wishes to remain anonymous.  


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.


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.


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. 


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.  


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. 


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.


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.


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.  


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.  


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. 


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. 


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. 


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. 


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.