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Diamond index finishes volatile week lower

The overall polishedprices index fell following a week of volatile trading.

Daily Index levels

Level

Daily Change

Monday 13/05

121.0

0.1%

Tuesday  14/05

121.1

0.1%

Wednesday 15/05

120.2

-0.7%

Thursday 16/05

121.1

0.7%

Friday 17/05

121.0

-0.1%

Monday 20/05

120.8

-0.1%

Weekly Index

The main polishedprices index opened on Monday at 120.8 points, down 0.1% with the previous week opening. The overall index is 1.3% above its level of this time last year, and has gained 1.0% since the start of the year.

Of the benchmark categories the largest gain came from the Commercial 1.0 carat category, which added 1.0% over the week.

The largest loss came from the Fine 0.3 carat range, which slipped 1.8% compared to the previous Monday having recorded its lowest value since polishedprices.com began recording sales data in 2002.

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

120.8

-0.1%

1.3%

118.9

04-Jan

121.8

04-Apr

1.0%

                   

1 crt/4gr

Fine

115.6

-0.0%

0.5%

112.9

23-Jan

124.8

10-Apr

2.3%

 

Commercial

119.2

1.0%

3.1%

112.2

04-Jan

121.8

15-Apr

2.4%

 

Mixed

112.3

0.5%

17.0%

104.7

01-Apr

114.5

04-Feb

1.3%

                   

0.5 crts / 50 pts

Fine

96.2

0.2%

-6.6%

92.0

15-May

103.4

25-Apr

-0.3%

 

Commercial

99.5

-0.8%

-9.4%

98.8

08-May

107.2

07-Jan

-2.8%

 

Mixed

96.6

-0.4%

-1.5%

95.8

05-Feb

99.5

22-Feb

-1.5%

                   

0.3 ctrs/ 30 pts

Fine

94.3

-1.8%

-15.4%

89.9

15-May

108.1

29-Jan

-8.4%

 

Commercial

108.8

-0.6%

-9.3%

106.1

12-Apr

115.4

07-Jan

-0.2%

 

Mixed

117.5

-1.3%

-6.1%

113.3

14-Mar

120.1

03-Jan

-2.5%

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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