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Diamond index slips back

The polishedprices overall index fell steadily throughout last week.

Daily Index levels

Level

Daily Change

Monday 03/02

115.6

0.4%

Tuesday 04/02

115.4

-0.2%

Wednesday 05/02

115.5

0.1%

Thursday 06/02

115.4

-0.1%

Friday 07/02

115.4

0.0%

Monday 10/02

115.1

-0.3%

Weekly Index

The main polishedprices index opened on Monday at 115.1 points, down  0.5% compared with the previous Monday. The overall index is 4.1% below its level of this time last year, and has lost 0.5% since the start of this year.

Of the benchmark categories, the largest gain came from the Fine 0.3 carat range, which added 1.9% over the week.

The largest loss came from the Commercial 1.0 carat range, which lost 4.5% compared to the previous Monday.

Benchmark groupings PolishedPrices Index

   

Current Levels

   

2020  Low

 

2020

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%

-4.1%

114.8

21-Jan

115.8

10-Jan

-0.5%

                   

1 crt/4gr

Fine

110.3

0.6%

-6.5%

109.2

04-Feb

114.0

16-Jan

-0.9%

 

Commercial

110.7

-4.5%

-1.8%

110.5

17-Jan

115.9

03-Feb

-1.6%

 

Mixed

106.9

-2.4%

-4.6%

105.6

20-Jan

111.3

08-Jan

-2.5%

                   

0.5 crts / 50 pts

Fine

96.0

-0.5%

-0.2%

91.1

22-Jan

98.2

10-Jan

-0.1%

 

Commercial

96.4

-0.0%

-3.2%

95.5

07-Feb

100.1

24-Jan

-2.9%

 

Mixed

93.6

-1.6%

-3.8%

93.6

10-Feb

97.7

17-Jan

-3.2%

                   

0.3 ctrs/ 30 pts

Fine

91.2

1.9%

-6.2%

89.3

04-Feb

94.9

16-Jan

-1.7%

 

Commercial

95.6

1.1%

-13.7%

94.6

03-Feb

98.1

23-Jan

-0.4%

 

Mixed

111.8

-0.3%

-3.8%

111.8

10-Feb

113.0

14-Jan

-0.9%

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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