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Diamond index steadies

The overall polishedprices index steadied after falling for three weeks.

Daily Index levels

Level

Daily Change

Monday 10/12

120.7

0.2%

Tuesday  11/12

120.5

-0.1%

Wednesday 12/12

119.8

-0.6%

Thursday 13/12

120.1

0.3%

Friday 14/12

120.2

0.1%

Monday 17/12

120.4

0.2%

Weekly Index

The main polishedprices index opened on Monday at 120.4 points, down 0.2% compared to the previous week. The overall index is 2.8% above its level of this time last year, and up 3.8% since the start of the year.

Of the benchmark categories, only the larger 1.0 carat ranges were in positive territory over the week with Fine and Commercial rising 2.8% and 0.9% respectively.

The heaviest loss came from the Fine 0.3 carat range, which slipped 4.0% compared to the previous Monday.

Benchmark groupings PolishedPrices  Index

   

Current Levels

   

2018 Low

 

2018 High

   
   

 Index Jan 04=100

Change from week ago

Change from year ago

Index

Date

Index

Date

 Year to date change

 

Overall

120.4

-0.2%

2.8%

115.9

12-Jan

122.7

19-Nov

3.8%

                   

1 crt/4gr

Fine

114.6

2.8%

-3.4%

107.7

30-Aug

126.8

02-Jul

1.0%

 

Commercial

119.1

0.9%

5.0%

109.5

02-Mar

123.7

30-Oct

7.2%

 

Mixed

112.5

-1.1%

17.2%

94.3

05-Feb

113.7

10-Dec

17.4%

                   

0.5 crts / 50 pts

Fine

99.9

-1.8%

5.5%

92.8

02-Aug

108.2

08-Oct

4.4%

 

Commercial

101.8

-3.0%

1.9%

99.6

02-Jan

113.4

05-Nov

3.8%

 

Mixed

97.0

-1.0%

0.3%

92.9

26-Oct

100.5

26-Apr

0.5%

                   

0.3 ctrs/ 30 pts

Fine

104.6

-4.0%

-1.4%

98.8

09-Feb

119.4

27-Sep

6.3%

 

Commercial

109.7

-3.1%

-5.2%

109.7

17-Dec

128.6

19-Nov

0.7%

 

Mixed

119.8

-2.5%

-2.3%

119.8

17-Dec

127.0

24-Sep

-2.2%

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.