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Polished index tests new lows

The overall polishedprices index fell to its lowest level since December 2009 on Thursday before recovering at the end of the week.

Daily Index levels

Level

Daily Change

Monday 07/08

115.6

0.1%

Tuesday  08/08

114.8

-0.7%

Wednesday 09/08

114.8

0.0%

Thursday 10/08

114.5

-0.3%

Friday 11/08

114.9

0.3%

Monday 14/08

115.5

0.6%

Weekly Index

The main polishedprices index opened down 0.1% compared to the previous Monday at 115.65points. The overall index is 3.8% lower than this time last year and has lost 1.5% since the start of the year.

Of the benchmark categories, only better quality 1.0 carats were in positive territory, with Fine and Commercial gaining 2.2% and 2.9% respectively over the week.

Commercial 0.5 carats were the weakest, falling 2.0% compared to the previous Monday.

Benchmark groupings PolishedPrices Index

   

Current Levels

   

2017 Low

 

2017 High

   
   

 Index Jan 04=100

Change from week ago

Change from year ago

Index

Date

Index

Date

 Year to date change

 

Overall

115.5

-0.1%

-3.8%

114.5

17-Aug

118.7

03-Jan

-1.5%

                   

1 crt/4gr

Fine

114.3

2.2%

-2.0%

105.8

27-Mar

118.9

26-May

5.8%

 

Commercial

111.5

2.9%

-2.3%

106.3

12-May

114.8

04-Jul

1.3%

 

Mixed

94.5

-1.0%

-5.0%

93.4

06-Apr

97.9

10-Jul

-0.3%

                   

0.5 crts / 50 pts

Fine

96.6

-1.2%

-13.9%

93.7

17-Aug

113.2

14-Mar

-8.1%

 

Commercial

100.0

-2.0%

-5.2%

97.0

03-Aug

107.0

03-Jan

-2.7%

 

Mixed

96.9

-0.8%

-2.7%

96.3

15-Aug

100.8

11-Jul

-1.6%

                   

0.3 ctrs/ 30 pts

Fine

105.3

-0.6%

7.0%

96.5

21-Jun

108.8

10-Jul

6.4%

 

Commercial

117.3

-1.3%

7.8%

105.6

12-Jan

118.8

14-Aug

8.7%

 

Mixed

124.9

-0.3%

3.7%

119.0

24-Jan

125.5

26-Jul

5.1%

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.