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Diamond index decline continues

The overall polishedprices index continued to decline to levels not seen for two years.

Daily Index levels

Level

Daily Change

Monday 11/11

115.6

0.3%

Tuesday 12/11

114.8

-0.7%

Wednesday 13/11

114.6

-0.2%

Thursday 14/11

114.9

0.2%

Friday 15/11

115.1

0.2%

Monday 18/11

115.1

0.0%

Weekly Index

The main polishedprices index opened on Monday at 115.1 points, down 0.5% compared to with the previous week’s opening. The overall index is 6.3% below its level of this time last year and has lost 3.8% since the start of this year.

Of the benchmark categories, the largest decline came from the Fine 0.3 carat grouping, which recorded a loss of 5.0% compared to the previous Monday.

The largest rise came from the Commercial 1.0 carat range, which added 1.9% over the week.

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

115.1

-0.5%

-6.3%

114.6

13-Nov

121.8

04-Apr

-3.8%

                   

1 crt/4gr

Fine

109.6

-0.8%

-6.5%

105.6

06-Nov

124.8

10-Apr

-3.0%

 

Commercial

114.2

1.9%

-7.3%

110.2

06-Nov

121.8

15-Apr

-2.0%

 

Mixed

111.4

1.8%

3.8%

104.7

01-Apr

114.5

04-Feb

0.5%

                   

0.5 crts / 50 pts

Fine

91.2

-0.3%

-14.1%

85.1

12-Nov

103.4

25-Apr

-5.6%

 

Commercial

98.8

-1.0%

-11.8%

95.4

11-Oct

107.2

07-Jan

-3.5%

 

Mixed

98.4

0.5%

-0.5%

95.8

05-Feb

99.5

22-Feb

0.3%

                   

0.3 ctrs/ 30 pts

Fine

84.4

-5.0%

-26.9%

83.7

11-Oct

108.1

29-Jan

-18.0%

 

Commercial

95.5

0.7%

-25.8%

92.3

12-Nov

115.4

07-Jan

-12.4%

 

Mixed

114.1

-0.2%

-8.7%

113.3

14-Mar

120.1

03-Jan

-5.3%

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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