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Diamond index edges up

After starting the week slowly, the overall polishedprices index recovered towards end the week up.

Daily Index levels

Level

Daily Change

Monday 20/01

115.2

0.1%

Tuesday 21/01

114.8

-0.3%

Wednesday 22/01

115.1

0.2%

Thursday 23/01

115.2

0.1%

Friday 24/01

115.2

0.0%

Monday 27/01

115.6

0.3%

Weekly Index

The main polishedprices index opened on Monday at 115.6 points, up 0.4% compared with the previous Monday. The overall index is 5.1% below its level of this time last year, and is level with the start of this year.

Of the benchmark categories, the largest gain came from the Mixed 1.0 carat range, which added 3.0% over the week.

The largest loss came from the Fine 0.3 carat range, which lost 1.2% 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

115.6

0.4%

-5.1%

114.8

21-Jan

115.8

10-Jan

-0.0%

                   

1 crt/4gr

Fine

110.7

0.5%

-4.8%

110.1

02-Jan

114.0

16-Jan

-0.5%

 

Commercial

112.4

-0.1%

-5.7%

110.5

17-Jan

115.4

08-Jan

-0.1%

 

Mixed

108.8

3.0%

-3.1%

105.6

20-Jan

111.3

08-Jan

-0.8%

                   

0.5 crts / 50 pts

Fine

95.5

0.8%

-7.2%

91.1

22-Jan

98.2

10-Jan

-0.7%

 

Commercial

99.9

2.4%

-4.9%

96.7

17-Jan

100.1

24-Jan

0.5%

 

Mixed

96.8

-0.3%

0.1%

96.4

07-Jan

97.7

17-Jan

0.1%

                   

0.3 ctrs/ 30 pts

Fine

92.9

-1.2%

-14.1%

91.2

08-Jan

94.9

16-Jan

0.1%

 

Commercial

97.2

0.4%

-15.1%

95.1

21-Jan

98.1

23-Jan

1.2%

 

Mixed

112.8

0.2%

-3.6%

112.5

07-Jan

113.0

14-Jan

0.0%

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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