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Diamond index virtually unchanged

The overall polishedprices index hardly moved over the past week, with all the benchmark ranges recording losses.

Daily Index levels

Level

Daily Change

Monday 07/01

120.3

1.2%

Tuesday  08/01

120.5

0.2%

Wednesday 09/01

120.4

-0.1%

Thursday 10/01

120.5

0.1%

Friday 11/01

120.3

-0.2%

Monday 14/01

120.8

0.4%

Weekly Index

The main polishedprices index opened on Monday at 120.8 points, up 0.4% compared to the previous Monday. The overall index is 3.8% above its level of this time last year.

With all of the benchmark categories in negative territory, the heaviest loss came from the Commercial 0.5 carat range, which slipped 3.6% compared to the previous Monday.

Benchmark groupings PolishedPrices  Index

   

Current Levels

   

2018/19  Low

 

2018 /19

High

 
   

 Index Jan 04=100

Change from week ago

Change from year ago

Index

Date

Index

Date

 

Overall

120.8

0.4%

3.8%

115.9

12-Jan

122.7

19-Nov

                 

1 crt/4gr

Fine

116.3

-1.0%

1.8%

107.7

30-Aug

126.8

02-Jul

 

Commercial

116.7

-0.3%

6.1%

109.5

02-Mar

123.7

30-Oct

 

Mixed

109.7

-0.5%

12.9%

94.3

05-Feb

114.0

28-Dec

                 

0.5 crts / 50 pts

Fine

99.1

-1.8%

2.7%

92.8

02-Aug

108.2

08-Oct

 

Commercial

103.3

-3.6%

0.8%

99.6

02-Jan

113.4

05-Nov

 

Mixed

97.6

-1.0%

-0.8%

92.9

26-Oct

100.5

26-Apr

                 

0.3 ctrs/ 30 pts

Fine

105.5

-1.3%

4.2%

98.8

09-Feb

119.4

27-Sep

 

Commercial

114.5

-0.7%

3.8%

108.9

02-Jan

128.6

19-Nov

 

Mixed

118.5

-0.5%

-3.2%

117.8

11-Jan

127.0

24-Sep

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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