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Polished index ends year steadily

The main polishedprices index traded steadily over the Christmas period to finish the year 0.5% lower than it started.

Daily Index levels

Level

Daily Change

Monday  18/12

117.2

0.5%

Tuesday  19/12

116.2

-0.8%

Wednesday 20/12

116.1

0.0%

Thursday 21/12

116.2

0.0%

Friday 22/12

116.0

-0.2%

Wednesday  27/12

115.7

-0.3%

Thursday 28/12

116.0

0.3%

Friday 29/12

116.0

0.0%

Tuesday 03/01

116.9

0.8%

Weekly Index

The main polishedprices index opened the year down 0.2% compared to the Monday before Christmas at 116.9 points. The overall index is 1.5% below its 2017 peak recorded on 3rd January and the yearly average for 2017 was 3.4% below that of 2016.

There were losses across most of the benchmark categories over the final weeks of the year, with only Mixed 1.0 carats and Fine 0.5 carats recording gains over the period.

Better quality 0.3 carats showed the greatest losses. Both 0.3 carat Fine and Commercial ranges slipped 4.3% during the past couple of weeks of December.

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

116.9

-0.2%

-1.5%

114.3

15-Sep

118.7

03-Jan

-0.4%

                   

1 crt/4gr

Fine

114.6

-3.4%

3.2%

105.8

27-Mar

118.9

26-May

6.0%

 

Commercial

113.3

-0.1%

0.6%

106.3

12-May

114.8

04-Jul

3.0%

 

Mixed

96.6

0.6%

1.8%

93.4

06-Apr

97.9

10-Jul

1.9%

                   

0.5 crts / 50 pts

Fine

96.0

1.5%

-12.1%

90.3

13-Oct

113.2

14-Mar

-8.7%

 

Commercial

99.6

-0.3%

-6.9%

96.1

30-Nov

107.0

03-Jan

-3.1%

 

Mixed

96.2

-0.6%

-2.7%

96.0

13-Nov

100.8

11-Jul

-2.3%

                   

0.3 ctrs/ 30 pts

Fine

101.5

-4.3%

-0.9%

94.6

08-Sep

108.8

10-Jul

2.5%

 

Commercial

110.6

-4.3%

0.9%

104.2

30-Nov

120.2

29-Aug

2.6%

 

Mixed

122.5

-0.1%

2.4%

119.0

23-Jan

125.5

26-Jul

3.0%

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.

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