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Diamond index slips in volatile trading

In a week of volatile trading the overall polishedprices index slipped slightly from last week’s high.

Daily Index levels

Level

Daily Change

Monday 19/11

122.7

1.4%

Tuesday  20/11

121.7

-0.9%

Wednesday 21/11

121.0

-0.6%

Thursday 22/11

120.5

-0.4%

Friday 23/11

120.9

0.3%

Monday 26/11

122.4

1.2%

Weekly Index

The main polishedprices index opened on Monday at 122.4 points, down 0.3% compared to the previous week. The overall index is 5.8% above its level of this time last year, and up 5.5% since the start of the year.

Commercial qualities were under pressure last week with the 1.0 carat, 0.5 carat and 0.3 carat ranges slipping 4.1%, 2.0% and 4.5% respectively.

The largest gain over the week came from the Mixed 1.0 carat range which rose 1.9% compared to the previous Monday.

Benchmark  groupings  PolishedPrices  Index

   

Current Levels

   

2018 Low

 

2018 High

   
   

 Index Jan 04=100

Change from week ago

Change from year ago

Index

Date

Index

Date

 Year to date change

 

Overall

122.4

-0.3%

5.8%

115.9

12-Jan

122.7

19-Nov

5.5%

                   

1 crt/4gr

Fine

118.0

0.6%

7.5%

107.7

30-Aug

126.8

02-Jul

3.9%

 

Commercial

118.1

-4.1%

5.6%

109.5

02-Mar

123.7

30-Oct

6.3%

 

Mixed

109.3

1.9%

15.2%

94.3

05-Feb

109.3

26-Nov

14.1%

                   

0.5 crts / 50 pts

Fine

106.4

0.3%

13.7%

92.8

02-Aug

108.2

08-Oct

11.2%

 

Commercial

109.7

-2.0%

9.1%

99.6

02-Jan

113.4

05-Nov

11.8%

 

Mixed

99.0

0.1%

1.4%

92.9

26-Oct

100.5

26-Apr

2.5%

                   

0.3 ctrs/ 30 pts

Fine

117.4

1.7%

17.1%

98.8

09-Feb

119.4

27-Sep

19.2%

 

Commercial

122.9

-4.5%

14.0%

110.3

04-Jan

128.6

19-Nov

12.7%

 

Mixed

124.5

-0.4%

0.7%

122.0

12-Jan

127.0

24-Sep

1.7%

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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