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Diamond index peaks in active trading

 

In a week of high trading volumes and very volatile prices, the overall PolishedPrices index touched its highest level since the beginning of February.
 

Daily Index levels

Level

Daily Change

Monday 09/11

112.7

0.9%

Tuesday 10/11

115.0

2.1%

Wednesday 11/11

115.2

0.1%

Thursday 12/11

114.3

-0.7%

Friday 13/11

116.7

2.1%

Monday 16/11

113.6

-2.7%

Weekly Index

The main PolishedPrices index rose 0.8% over the week, opening at 113.6 points on Monday. The index is currently 7.4% lower than this time last year, and has fallen 4.9% since the start of the year. It is now 7.1% above the low reached in April.

Lower end one carat diamonds were the main gainer over the week, adding 7.6%.  Fine 0.30 carat diamonds continued their erratic path of recent weeks, surrendering some of last week’s gains.

Both the 0.5 carat and 0.3 carat Fine categories are now higher, compared to last year’s levels.

Benchmark groupings PolishedPrices Index.

   

Current Levels

 

2009 Low

2009 High

 
   

Index

Jan 04

=100

Change from week ago

Change from

 year ago

Index

Date

W/E

Index

Date

W/E

Year to date change

 

Overall

113.6

0.8%

-7.4%

106.0

19-Apr

123.3

11-Jan

-4.9%

                   

1 ct

Fine

114.5

-0.6%

-9.1%

98.8

12-Feb

128.4

03-Feb

2.3%

 

Commercial

109.9

1.1%

-8.7%

95.9

21-Apr

128.5

11-Jan

-8.2%

 

Mixed

148.9

7.6%

-7.2%

122.8

30-Apr

165.5

07-Jan

1.1%

                   

0.5 ct

Fine

110.8

-1.4%

0.6%

102.1

12-Apr

127.6

22-Jun

-3.9%

 

Commercial

98.3

-6.4%

-7.4%

91.0

31-May

113.6

16-Feb

-7.0%

 

Mixed

93.2

1.0%

-11.8%

86.1

26-Oct

98.2

05-Jan

-5.1%

                   

0.3 ct

Fine

110.3

-8.6%

0.0%

105.2

15-Oct

134.2

19-Oct

-7.7%

 

Commercial

117.3

4.0%

-4.4%

103.5

01-Nov

123.2

12-Jan

-1.1%

 

Mixed

105.9

-0.4%

-5.6%

100.4

03-May

109.2

16-Mar

0.7%

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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