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Market NewsIndex ReportsDiamond index falls marginally

Diamond index falls marginally

Diamond prices were slightly weaker over the past week in very thin trading volumes.

The main index, which tracks all sizes between 0.3 carats and 3 carats, dipped 0.6% to 124.7 points, 0.5% below the level of this time last year.

The weakest performers among the benchmark sizes were Mixed 0.3 carat diamonds, which fell 12.5% reaching their lowest value since early December.

One carats Commercial were the strongest performers, rising 2.8%. Mixed one carats gained 1.7%, recording a new all time high.

Benchmark groupings PolishedPrices Index.

    Current Levels   2007 Low 2007 High  
    Index Jan 04 = 100

Change from week ago

Change from year ago

Index Date W/E Index Date W/E Year to Date Change
  Overall 124.7

-0.6%

-0.5%

122.0 18-Feb 129.2

11-Feb

-0.6%

                   
1 ct Fine 123.0

-0.8%

6.8%

110.0 18-Feb 124.0

25-Feb

10.5%

  Commercial 125.1

2.8%

4.8% 117.8 18-Feb 125.5

07-Jan

8.0%

  Mixed 178.6

1.7%

17.0% 166.2 28-Jan 178.6

04-Mar

8.8%

                   
0.5ct Fine 114.0

-6.4%

-14.1% 110.4 21-Jan 131.6

28-Jan

-5.8%

  Commercial 112.0

-0.5%

-6.2%

105.4 18-Feb 121.8

14-Jan

-4.5%

  Mixed 95.4

-5.3%

-3.7%

95.4 04-Mar 108.9

14-Jan

-11.2%

                   
0.3ct Fine 123.3

-4.6%

-16.1% 123.3 04-Mar

149.7

07-Jan

-16.0%

  Commercial 124.8

2.6%

-1.2% 121.6 25-Feb 137.3

07-Jan

-11.1%

  Mixed 102.0

-12.5%

-17.0%

102.0 04-Mar 119.7

18-Feb

-11.8%

The definitions of our groupings are:
Fine: Goods better than I colour and VS2 and above. 
Commercial:  K/SI3 and above, excluding the Fine category 
Mixed:  The rest down to M/I3  
 

The weightings used in the calculation of these indices are chosen to reflect world production.