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Diamond index halts slide

The overall polishedprices index which had been falling for the past three weeks managed to halt its slide last week.

Daily Index levels

Level

Daily Change

Tuesday  28/05

120.1

0.3%

Wednesday 29/05

119.6

-0.4%

Thursday 30/05

119.6

0.0%

Friday 31/05

120.0

0.3%

Monday 03/06

120.3

0.2%

Weekly Index

The main polishedprices index opened on Monday at 120.3 points, up 0.1% with the previous week opening. The overall index is 0.5% above its level of this time last year, and has gained 0.6% since the start of this year.

Of the benchmark categories the largest gain came from the Fine 1.0 carat category, which lost 2.3% over the week.

The largest loss came from the Commercial 0.3 carat range which slipped 3.3%.

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

120.3

0.1%

0.5%

118.9

04-Jan

121.8

04-Apr

0.6%

                   

1 crt/4gr

Fine

116.2

2.3%

-2.0%

111.6

29-May

124.8

10-Apr

2.9%

 

Commercial

118.6

0.1%

0.6%

112.2

04-Jan

121.8

15-Apr

1.8%

 

Mixed

112.4

-0.8%

15.5%

104.7

01-Apr

114.5

04-Feb

1.4%

                   

0.5 crts / 50 pts

Fine

95.4

-0.4%

-4.1%

92.0

15-May

103.4

25-Apr

-1.2%

 

Commercial

102.6

0.4%

-5.2%

98.8

08-May

107.2

07-Jan

0.2%

 

Mixed

96.3

-0.6%

-2.0%

95.8

05-Feb

99.5

22-Feb

-1.9%

                   

0.3 ctrs/ 30 pts

Fine

94.6

-2.8%

-14.5%

89.9

15-May

108.1

29-Jan

-8.1%

 

Commercial

107.7

-3.3%

-11.3%

106.1

12-Apr

115.4

07-Jan

-1.2%

 

Mixed

118.8

0.1%

-5.0%

113.3

14-Mar

120.1

03-Jan

-1.4%

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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