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Diamond index drifts further down

The overall PolishedPrices index fell further to reach early May 2011 levels in thin trading volumes.

Daily Index levels

Level

Daily Change

Monday 09/07

149.1

-0.3%

Tuesday 10/07

148.8

-0.2%

Wednesday 11/07

147.8

-0.6%

Thursday 12/07

147.8

0.0%

Friday 13/07

148.2

0.2%

Monday 16/07

147.7

-0.3%

Weekly Index

The main PolishedPrices index opened down 0.9% over the previous week on Monday at 147.7 points. The overall index is currently 13.8% below its level of this time last year and has lost 4.7% since the start of the year.

Amongst the benchmark size ranges, the only positive performance came from 0.5 carats. Fine quality 0.5 carats added 4.5%, and Commercial rose 2.3%.

Fine 0.3 carat diamonds were the weakest category, falling 2.5% over the previous week.

Benchmark groupings PolishedPrices Index.

   

Current Levels

   

2012 Low

 

2012 High

   
   

 Index Jan 04=100

Change from week ago

Change from year ago

Index

Date

Index

Date

 Year to date change

 

Overall

147.7

-0.9%

-13.8%

147.7

15-Jul

161.2

01-Feb

-4.7%

                   

1 crt / 4gr

Fine

155.6

-0.9%

-22.7%

149.2

13-Jun

182.6

09-Feb

-10.0%

 

Commercial

155.7

-2.4%

-12.3%

147.7

17-Jun

174.1

25-Apr

-0.7%

 

Mixed

192.9

-1.4%

-11.1%

181.1

08-Apr

215.5

24-May

3.6%

                   

0.5 crts / 50 pts

Fine

139.5

4.5%

-18.1%

132.3

03-Jun

163.5

01-Feb

-2.9%

 

Commercial

130.2

2.3%

-17.3%

127.2

08-Jul

156.2

01-Feb

-11.5%

 

Mixed

115.8

0.1%

-10.5%

115.6

21-Jun

136.0

13-Feb

-8.3%

                   

0.3 ctrs/ 30 pts

Fine

118.8

-2.5%

-25.2%

117.4

30-May

162.4

16-Feb

-6.3%

 

Commercial

141.8

-0.6%

-17.8%

138.5

29-Mar

162.1

16-Feb

-8.2%

 

Mixed

136.3

0.0%

2.4%

124.2

23-May

136.3

18-Jun

2.8%

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, and

Mixed:                        the rest down to M I3.

The weightings used in the calculation of these indices are chosen to reflect world production. Please contact us if you would like to see details of the weightings used, or would like to see the information grouped differently.

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