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Market NewsIndex ReportsDiamond index decline continues

Diamond index decline continues

The overall polishedprices index fell for the third week running since hitting a two and a half year high in mid-November.

Daily Index levels

Level

Daily Change

Monday 03/12

121.2

0.3%

Tuesday  04/12

120.5

-0.6%

Wednesday 05/12

120.3

-0.1%

Thursday 06/12

120.1

-0.1%

Friday 07/12

120.4

0.3%

Monday 10/12

120.7

0.2%

Weekly Index

The main polishedprices index opened on Monday at 120.7 points, down 0.5% compared to the previous week. The overall index is 4.3% above its level of this time last year, and up 4.0% since the start of the year.

Of the benchmark categories, all of the Mixed qualities were in positive territory, with the 1.0 carat, 0.5 carat and 0.3 carat ranges gaining 0.9%, 0.2% and 0.1% respectively.

The heaviest loss came from the Fine 1.0 carat range, which slipped 6.0% 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

120.7

-0.5%

4.3%

115.9

12-Jan

122.7

19-Nov

4.0%

                   

1 crt/4gr

Fine

111.5

-6.0%

-0.1%

107.7

30-Aug

126.8

02-Jul

-1.8%

 

Commercial

118.0

-0.8%

4.3%

109.5

02-Mar

123.7

30-Oct

6.2%

 

Mixed

113.7

0.9%

18.5%

94.3

05-Feb

113.7

10-Dec

18.7%

                   

0.5 crts / 50 pts

Fine

101.6

-0.8%

8.9%

92.8

02-Aug

108.2

08-Oct

6.2%

 

Commercial

105.0

-1.4%

6.9%

99.6

02-Jan

113.4

05-Nov

7.0%

 

Mixed

98.0

0.2%

1.6%

92.9

26-Oct

100.5

26-Apr

1.4%

                   

0.3 ctrs/ 30 pts

Fine

109.0

0.8%

8.8%

98.8

09-Feb

119.4

27-Sep

10.7%

 

Commercial

113.2

-1.8%

3.3%

110.3

04-Jan

128.6

19-Nov

3.9%

 

Mixed

122.8

0.1%

0.4%

122.0

12-Jan

127.0

24-Sep

0.3%

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.