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Market NewsIndex ReportsDiamond index decline resumes

Diamond index decline resumes

As markets re-opened after the summer break, the overall polishedprices index touched its lowest level since January 2018.

Daily Index levels Level Daily Change
Monday 19/08 117.8 0.1%
Tuesday 20/08 117.6 -0.2%
Wednesday 21/08 118.1 0.4%
Thursday 22/08 117.4 -0.6%
Friday 23/08 116.6 -0.6%
Tuesday 27/08 116.9 0.3%

Weekly Index

The main polishedprices index opened on Tuesday at 116.9 points, down 0.8% compared to the previous week’s opening. The overall index is 3.1% below its level of this time last year and has lost 2.2% since the start of this year.

The main decline came from the Commercial 1.0 carat range, which slipped the week 3.6% over the week.

The largest gain came from the Commercial 0.5 carat grouping, which added 0.9% 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

116.9

-0.8%

-3.1%

116.6

23-Aug

121.8

04-Apr

-2.2%

                   

1 crt/4gr

Fine

110.0

-1.8%

-5.2%

109.4

04-Jul

124.8

10-Apr

-2.7%

 

Commercial

112.7

-3.6%

-4.1%

111.3

19-Jul

121.8

15-Apr

-3.2%

 

Mixed

112.2

-0.5%

13.8%

104.7

01-Apr

114.5

04-Feb

1.2%

                   

0.5 crts / 50 pts

Fine

89.4

-2.1%

-11.5%

89.4

27-Aug

103.4

25-Apr

-7.4%

 

Commercial

99.4

0.9%

-6.7%

98.1

09-Aug

107.2

07-Jan

-2.9%

 

Mixed

96.8

0.2%

-0.0%

95.8

05-Feb

99.5

22-Feb

-1.4%

                   

0.3 ctrs/ 30 pts

Fine

92.6

0.4%

-18.4%

89.1

07-Aug

108.1

29-Jan

-10.0%

 

Commercial

103.8

0.7%

-14.5%

102.7

05-Aug

115.4

07-Jan

-4.8%

 

Mixed

116.8

0.0%

-7.2%

113.3

14-Mar

120.1

03-Jan

-3.1%

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.