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Diamond index ends flat after volatile week

After a week of volatile trading the overall polishedprices index finished the week mostly flat.

Daily Index levels

Level

Daily Change

Monday 24/09

121.4

1.4%

Tuesday  25/09

121.0

-0.3%

Wednesday 26/09

120.7

-0.3%

Thursday 27/09

120.4

-0.2%

Friday 28/09

120.7

0.2%

Monday 01/10

121.4

0.6%

Weekly Index

The main polishedprices index opened on Monday at 121.4 points, virtually the same level as the previous week. The overall index is 5.0% above its level of this time last year, and up 4.7% since the start of the year.

Weakest of the benchmark categories were the better quality 1.0 carat ranges, with Fine and Commercial losing 1.1% and 1.3% respectively, compared to the previous Monday.

The main strength over the past week came from the Commercial 0.3 carat range, which added 3.3%.

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

121.4

0.0%

5.0%

115.9

12-Jan

121.5

02-Jul

4.7%

                   

1 crt/4gr

Fine

117.9

-1.1%

5.7%

107.7

30-Aug

126.8

02-Jul

3.9%

 

Commercial

117.4

-1.3%

5.0%

109.5

02-Mar

120.4

20-Sep

5.6%

 

Mixed

98.7

0.7%

2.9%

94.3

05-Feb

98.7

01-Oct

3.0%

                   

0.5 crts / 50 pts

Fine

106.1

1.0%

12.5%

92.8

02-Aug

106.1

01-Oct

10.8%

 

Commercial

112.8

3.3%

10.9%

99.6

02-Jan

112.8

01-Oct

15.0%

 

Mixed

96.6

-0.0%

-1.0%

96.1

26-Sep

100.5

26-Apr

-0.0%

                   

0.3 ctrs/ 30 pts

Fine

118.1

-0.4%

17.8%

98.8

09-Feb

119.4

27-Sep

20.0%

 

Commercial

127.1

-0.4%

10.5%

110.3

04-Jan

127.8

25-Sep

16.6%

 

Mixed

126.3

-0.6%

1.3%

122.0

12-Jan

127.0

24-Sep

3.1%

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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