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Polished index returns to growth

After two weeks of falling prices, the overall polishedprices index returned to growth last week.

Daily Index levels

Level

Daily Change

Tuesday  29/05

118.9

-0.5%

Wednesday 30/05

119.2

0.3%

Thursday 31/05

119.1

-0.1%

Friday 01/06

119.0

0.0%

Monday 02/06

119.7

0.5%

Weekly Index

The main polishedprices index opened on Monday at 119.7 points, up 0.7% compared with the previous Tuesday. The overall index is 1.8% above its level of this time last year, and has gained 3.2% since the start of the year.

There were gains across most of the benchmark categories last week, with only Fine and Commercial 0.5 carats and Fine 0.3 carats in negative territory, losing 3.4%, 0.3% and 0.3% respectively.

The strongest growth came from better quality 1.0 carats, with the Fine quality range adding 3.6% and Commercial gaining 3.9% compared to the previous week.

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

119.7

0.6%

1.8%

115.9

12-Jan

120.7

23-Apr

3.2%

                   

1 crt/4gr

Fine

118.5

3.6%

6.0%

112.4

16-Feb

125.9

20-Apr

4.4%

 

Commercial

117.9

3.9%

5.8%

109.5

02-Mar

120.0

03-May

6.1%

 

Mixed

97.3

0.6%

0.9%

94.3

05-Feb

98.1

27-Mar

1.6%

                   

0.5 crts / 50 pts

Fine

99.4

-3.4%

-3.0%

94.2

09-Jan

104.8

25-May

3.9%

 

Commercial

108.2

-0.3%

4.1%

99.6

02-Jan

112.0

17-May

10.3%

 

Mixed

98.2

0.3%

-0.0%

96.2

02-Jan

100.5

26-Apr

1.7%

                   

0.3 ctrs/ 30 pts

Fine

110.6

-0.3%

6.4%

98.8

09-Feb

115.2

10-May

12.4%

 

Commercial

121.47

0.4%

6.2%

110.3

04-Jan

125.4

13-Mar

11.5%

 

Mixed

125.1

0.1%

2.2%

122.0

12-Jan

126.4

14-May

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.

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