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Diamond index slips in volatile trading

The overall polishedprices index fell after a week of volatile price fluctuations.

Daily Index levels

Level

Daily Change

Monday 18/02

120.7

-0.3%

Tuesday  19/02

120.8

0.1%

Wednesday 20/02

120.1

-0.5%

Thursday 21/02

120.9

0.6%

Friday 22/02

120.8

0.0%

Monday 25/02

119.5

-1.1%

Weekly Index

The main polishedprices index opened on Monday at 119.5 points, down 1.0% compared to the previous Monday. The overall index is 0.9% above its level of this time last year, and has lost 0.1% since the start of the year.

Of the benchmark categories the largest gain over the week came from the Mixed 0.5 carat range adding 1.1%.

The Fine 0.5 carat range, recorded the largest loss of 6.2% 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

119.5

-1.0%

0.9%

118.9

04-Jan

121.8

29-Jan

-0.1%

                   

1 crt/4gr

Fine

117.3

0.4%

-0.2%

112.9

23-Jan

118.1

10-Jan

3.8%

 

Commercial

116.1

-1.0%

3.3%

112.2

04-Jan

119.2

25-Jan

-0.3%

 

Mixed

108.2

-3.4%

13.7%

108.2

25-Feb

114.5

04-Feb

-2.4%

                   

0.5 crts / 50 pts

Fine

92.3

-6.2%

-4.8%

92.3

25-Feb

102.9

29-Jan

-4.4%

 

Commercial

99.1

-3.4%

-6.3%

99.1

25-Feb

107.2

07-Jan

-3.2%

 

Mixed

99.4

1.1%

-0.4%

95.8

05-Feb

99.5

22-Feb

1.4%

                   

0.3 ctrs/ 30 pts

Fine

98.8

-3.8%

-10.8%

97.2

11-Feb

108.1

29-Jan

-4.0%

 

Commercial

106.3

-4.1%

-11.7%

106.3

25-Feb

115.4

07-Jan

-2.5%

 

Mixed

116.6

0.1%

-6.0%

115.9

08-Feb

120.1

03-Jan

-3.2%

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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