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Diamond index steady in thin trading

With many offices closed for the summer break, the overall polished prices index traded in narrow bands during the past week.

Daily Index levels Level Daily Change
Monday 12/08 117.8 0.0%
Tuesday 13/08 117.9 0.1%
Wednesday 14/08 117.5 -0.4%
Thursday 15/08 117.5 0.1%
Friday 16/08 117.7 0.2%
Monday 19/08 117.8 0.1%

Weekly Index

The main polishedprices index opened on Monday at 117.8 points, up 0.1% compared to the previous week’s opening. The overall index is 2.2% below its level of this time last year and has lost 1.5% since the start of this year.

Of the benchmark categories, the largest gain came from the Commercial 1.0 carat range, which finished the week 3.6% higher.

The largest loss came from the Fine 0.3 carat grouping, which slipped 1.3% 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

117.8

0.1%

-2.2%

117.4

07-Aug

121.8

04-Apr

-1.5%

                   

1 crt/4gr

Fine

112.0

0.6%

-2.7%

109.4

04-Jul

124.8

10-Apr

-0.9%

 

Commercial

116.9

3.6%

-0.8%

111.3

19-Jul

121.8

15-Apr

0.4%

 

Mixed

112.7

0.6%

18.3%

104.7

01-Apr

114.5

04-Feb

1.7%

                   

0.5 crts / 50 pts

Fine

91.3

-0.6%

-10.0%

90.8

14-Aug

103.4

25-Apr

-5.4%

 

Commercial

98.6

-0.7%

-8.4%

98.1

09-Aug

107.2

07-Jan

-3.7%

 

Mixed

96.5

-0.9%

-0.6%

95.8

05-Feb

99.5

22-Feb

-1.6%

                   

0.3 ctrs/ 30 pts

Fine

92.2

-1.3%

-19.9%

89.1

07-Aug

108.1

29-Jan

-10.4%

 

Commercial

103.2

-0.6%

-16.7%

102.7

05-Aug

115.4

07-Jan

-5.4%

 

Mixed

116.8

-0.2%

-6.9%

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.

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