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Diamond index sinks to new low

The overall polishedprices index fell last week to it’s lowest level since September 2017.

Daily Index levels

Level

Daily Change

Monday 25/11

115.3

0.1%

Tuesday 26/11

115.7

0.4%

Wednesday 27/11

115.6

-0.1%

Thursday 28/11

115.4

-0.2%

Friday 29/11

114.7

-0.6%

Monday 02/12

114.5

-0.1%

Weekly Index

The main polishedprices index opened on Monday at 114.5 points, down 0.7% compared to with the previous week’s opening. The overall index is 5.6% below its level of this time last year and has lost 4.3% since the start of this year.

The main weakness came from the better quality 1.0 carat ranges, with the Fine and Commercial categories slipping 4.2% and 3.9% respectively.

The largest gain came from the Fine 0.3 carat range, which added 110% 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

114.5

-0.7%

-5.6%

114.5

02-Dec

121.8

04-Apr

-4.3%

                   

1 crt/4gr

Fine

105.6

-4.2%

-11.0%

105.0

29-Nov

124.8

10-Apr

-6.5%

 

Commercial

109.4

-4.0%

-8.1%

108.0

29-Nov

121.8

15-Apr

-6.1%

 

Mixed

110.3

0.6%

-2.1%

104.7

01-Apr

114.5

04-Feb

-0.5%

                   

0.5 crts / 50 pts

Fine

90.4

-2.0%

-11.8%

85.1

12-Nov

103.4

25-Apr

-6.4%

 

Commercial

95.7

-2.5%

-10.1%

95.4

11-Oct

107.2

07-Jan

-6.5%

 

Mixed

96.3

-1.4%

-1.5%

95.8

05-Feb

99.5

22-Feb

-1.8%

                   

0.3 ctrs/ 30 pts

Fine

88.7

0.7%

-17.9%

83.7

11-Oct

108.1

29-Jan

-13.8%

 

Commercial

96.0

0.6%

-16.7%

92.3

12-Nov

115.4

07-Jan

-11.9%

 

Mixed

113.1

-0.4%

-7.9%

113.1

02-Dec

120.1

03-Jan

-6.2%

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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