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Polished index continues to drift lower

The overall polishedprices index continued its downward drift over the past week.

Daily Index levels

Level

Daily Change

Monday 23/07

120.8

1.1%

Tuesday  24/07

120.2

-0.6%

Wednesday 25/07

120.3

0.1%

Thursday 26/07

120.0

-0.3%

Friday 27/07

119.9

-0.1%

Monday 30/07

120.6

0.5%

Weekly Index

The main polishedprices index opened on Monday at 120.6 points, down 0.2% compared with the previous week. The overall index is 3.3% above its level of this time last year, and has gained 4.0% since the start of the year.

Again, nearly all of the benchmark categories were in negative territory last week. The only exception were the better quality 1.0 carat ranges, with Fine and Commercial adding 0.2% and 4.0% respectively.

The worst performer over the past week were the Fine 0.5 carat ranges, which slipped 2.3% 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

120.6

-0.2%

3.3%

115.9

12-Jan

121.5

02-Jul

4.0%

                   

1 crt/4gr

Fine

119.5

0.2%

6.3%

112.4

16-Feb

126.8

02-Jul

5.3%

 

Commercial

118.9

4.0%

6.4%

109.5

02-Mar

120.1

25-Jul

7.0%

 

Mixed

96.1

-0.6%

0.3%

94.3

05-Feb

98.1

27-Mar

0.3%

                   

0.5 crts / 50 pts

Fine

102.1

-2.3%

2.2%

94.2

09-Jan

105.2

25-Jun

6.7%

 

Commercial

106.4

-1.4%

3.7%

99.6

02-Jan

112.0

17-May

8.5%

 

Mixed

97.3

-0.2%

-0.5%

96.2

02-Jan

100.5

26-Apr

0.7%

                   

0.3 ctrs/ 30 pts

Fine

115.7

-1.5%

10.3%

98.8

09-Feb

117.8

16-Jul

17.6%

 

Commercial

121.6

-1.7%

2.8%

110.3

04-Jan

125.4

13-Mar

11.6%

 

Mixed

124.3

-0.7%

-0.9%

122.0

12-Jan

126.4

14-May

1.5%

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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