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Diamond index records strong gains

The overall polishedprices index made solid gains over the past week.

Daily Index levels

Level

Daily Change

Monday 25/03

120.5

0.3%

Tuesday  26/03/

121.2

0.5%

Wednesday 27/03

121.0

-0.2%

Thursday 28/03

121.2

0.2%

Friday 29/03

121.2

-0.1%

Monday 01/04

121.5

0.3%

Weekly Index

The main polishedprices index opened on Monday at 121.5 points, up 0.8% compared to the previous Monday. The overall index is 2.0% above its level of this time last year, and has gained 1.6% since the start of the year.

Nearly all of the benchmark categories were in positive territory last week, with the Fine 1.0 carat category recording the largest gain of 5.5%.

The largest loss came from the Mixed 1.0 carat range, which slipped 5.6% 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

121.5

0.8%

2.0%

118.9

04-Jan

121.8

29-Jan

1.6%

                   

1 crt/4gr

Fine

121.7

5.5%

3.9%

112.9

23-Jan

122.0

28-Feb

7.8%

 

Commercial

119.2

1.1%

2.9%

112.2

04-Jan

121.3

26-Mar

2.3%

 

Mixed

104.7

-5.6%

8.0%

104.7

01-Apr

114.5

04-Feb

-5.6%

                   

0.5 crts / 50 pts

Fine

99.8

1.7%

-0.3%

92.3

25-Feb

102.9

29-Jan

3.3%

 

Commercial

105.0

-0.2%

-2.0%

99.1

25-Feb

107.2

07-Jan

2.5%

 

Mixed

98.8

0.9%

-0.4%

95.8

05-Feb

99.5

22-Feb

0.7%

                   

0.3 ctrs/ 30 pts

Fine

101.2

5.0%

-7.9%

94.1

26-Mar

108.1

29-Jan

-1.7%

 

Commercial

108.1

-0.1%

-9.5%

106.3

25-Feb

115.4

07-Jan

-0.8%

 

Mixed

117.1

1.3%

-5.5%

113.3

14-Mar

120.1

03-Jan

-2.9%

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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