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Index touches six week high before losing gains

The overall polishedprices index had a week of volatile trading, touching a six week high, before losing all of its gains.

Daily Index levels

Level

Daily Change

Monday 10/07

117.6

0.2%

Tuesday  11/07

117.7

0.1%

Wednesday 12/07

117.5

-0.1%

Thursday 13/07

117.8

0.2%

Friday 14/07

118.0

0.2%

Monday 17/07

117.3

-0.6%

Weekly Index

The overall polishedprices index opened down 0.2% compared to the previous Monday at 117.3 points. The overall index is 3.0% lower than this time last year and is level since the start of the year.

Of the benchmark categories, Fine 0.3 carats fared worst, slipping 6.0% over the previous week.

The main area of strength amongst the benchmark categories came from better quality 1.0 carat stones, with Fine and Commercial gaining 0.9% and 1.5% respectively, compared to the prior 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

117.3

-0.2%

-3.0%

115.7

24-Mar

118.7

03-Jan

-0.0%

                   

1 crt/4gr

Fine

112.5

0.9%

-6.2%

105.8

27-Mar

118.9

26-May

4.1%

 

Commercial

112.6

1.5%

0.7%

106.3

12-May

114.8

04-Jul

2.3%

 

Mixed

97.2

-0.7%

-3.1%

93.4

06-Apr

97.9

10-Jul

2.6%

                   

0.5 crts / 50 pts

Fine

98.4

-2.0%

-12.1%

98.4

17-Jul

113.2

14-Mar

-6.4%

 

Commercial

103.1

-1.7%

-3.9%

99.5

02-Feb

107.0

03-Jan

0.3%

 

Mixed

98.0

-2.5%

-2.8%

98.0

17-Jul

100.8

11-Jul

-0.5%

                   

0.3 ctrs/ 30 pts

Fine

102.3

-6.0%

-1.8%

96.5

21-Jun

108.8

10-Jul

3.4%

 

Commercial

113.8

-1.5%

1.1%

105.6

12-Jan

116.4

12-Jun

5.5%

 

Mixed

124.8

0.9%

3.2%

119.0

24-Jan

124.8

17-Jul

5.0%

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.