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Diamond index trading in narrow ranges

The overall polishedprices index traded in narrow ranges over the past week.

Daily Index levels

Level

Daily Change

Monday 10/06

120.2

-0.1%

Tuesday 11/06

120.2

0.0%

Wednesday 12/06

120.0

-0.2%

Thursday 13/06

120.4

0.4%

Friday 14/07

120.4

0.0%

Monday 17/06

120.2

-0.2%

Weekly Index

The main polishedprices index opened on Monday at 120.2 points, level with the previous week’s opening. The overall index is 0.6% below its level of this time last year, but has gained 0.5% since the start of this year.

Most of the benchmark categories were in positive territory over the past week, with only the Commercial 0.5 carat range reporting a small loss.

The largest gain came from the Fine 0.5 carat range which added 4.9% compared to the previous Monday.

Benchmark groupings PolishedPrices Index

   

Current Levels

   

2019  Low

 

2019

High

   
   

 Index Jan 04=100

Change from week ago

Change from year ago

Index

Date

Index

Date

Year to date change

 

Overall

120.2

0.0%

-0.6%

118.9

04-Jan

121.8

04-Apr

0.5%

                   

1 crt/4gr

Fine

114.5

0.1%

-7.7%

111.6

29-May

124.8

10-Apr

1.3%

 

Commercial

118.5

0.3%

3.0%

112.2

04-Jan

121.8

15-Apr

1.8%

 

Mixed

112.4

0.9%

15.6%

104.7

01-Apr

114.5

04-Feb

1.4%

                   

0.5 crts / 50 pts

Fine

98.9

4.9%

-5.9%

92.0

15-May

103.4

25-Apr

2.4%

 

Commercial

102.1

-0.2%

-5.5%

98.8

08-May

107.2

07-Jan

-0.3%

 

Mixed

99.1

0.9%

0.0%

95.8

05-Feb

99.5

22-Feb

1.0%

                   

0.3 ctrs/ 30 pts

Fine

97.4

0.9%

-13.2%

89.9

15-May

108.1

29-Jan

-5.3%

 

Commercial

111.3

2.1%

-7.6%

106.1

12-Apr

115.4

07-Jan

2.1%

 

Mixed

119.0

0.1%

-5.3%

113.3

14-Mar

120.1

03-Jan

-1.3%

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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