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Market NewsIndex ReportsPolished index gains in volatile trading

Polished index gains in volatile trading

After a week of volatile trading, the overall polishedprices index finished on a three week high.

Daily Index levels

Level

Daily Change

Monday  18/09

114.8

0.4%

Tuesday  19/09

115.2

0.4%

Wednesday 20/09

114.7

-0.5%

Thursday 21/09

114.5

-0.2%

Friday 22/09

114.7

0.2%

Monday  25/09

115.9

1.0%

Weekly Index

The main polishedprices index opened up 1.0% compared to the previous Monday at 115.9 points. The overall index is 3.4% lower than this time last year and has lost 1.2% since the start of the year.

There were gains across nearly all of the benchmark categories, with only 0.5 carat Mixed in negative territory over the week, slipping 0.2%.

Commercial 0.3 carats were the best performer, adding 3.6% 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

115.9

1.0%

-3.4%

114.3

15-Sep

118.7

03-Jan

-1.2%

                   

1 crt/4gr

Fine

110.7

0.4%

-5.0%

105.8

27-Mar

118.9

26-May

2.5%

 

Commercial

112.1

0.8%

-1.8%

106.3

12-May

114.8

04-Jul

1.9%

 

Mixed

95.7

0.0%

-0.4%

93.4

06-Apr

97.9

10-Jul

1.0%

                   

0.5 crts / 50 pts

Fine

95.8

1.2%

-12.3%

91.1

20-Sep

113.2

14-Mar

-8.9%

 

Commercial

103.2

2.7%

1.4%

97.0

03-Aug

107.0

03-Jan

0.4%

 

Mixed

97.5

-0.2%

-2.2%

96.3

15-Aug

100.8

11-Jul

-1.0%

                   

0.3 ctrs/ 30 pts

Fine

102.5

2.7%

3.6%

94.6

08-Sep

108.8

10-Jul

3.6%

 

Commercial

116.4

3.6%

7.4%

105.6

12-Jan

120.2

29-Aug

7.9%

 

Mixed

124.8

0.4%

3.9%

119.0

24-Jan

125.5

26-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.