Menu
Market NewsIndex ReportsRise in polished index continues

Rise in polished index continues

The main polishedprices index continued its rise, reaching levels not seen since October 2016.

Daily Index levels

Level

Daily Change

Monday  12/03

119.1

0.2%

Tuesday  13/03

119.1

0.0%

Wednesday 14/03

119.0

0.0%

Thursday 15/03

118.5

-0.5%

Friday 16/03

118.2

-0.2%

Monday  19/03

119.5

1.0%

Weekly Index

The main polishedprices index opened on Monday at 119.5 points, up 0.3% from the previous week. The overall index is 1.4% above its level for this time last year, and has gained 3.0% since the start of the year.

Amongst the benchmark categories, better quality 0.5 carat diamonds performed best with Fine and Commercial rising 2.9% and 2.1% respectively, compared to the previous Monday.

There was weakness, however, across all the 0.3 carat ranges, with the Commercial range recording the largest decline, losing 4.3% over the past seven days.

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

119.5

0.3%

1.4%

115.9

12-Jan

119.5

19-Mar

3.0%

                   

1 crt/4gr

Fine

118.6

1.3%

4.2%

112.4

16-Feb

121.3

15-Mar

4.5%

 

Commercial

114.1

-1.9%

3.1%

109.5

02-Mar

116.4

12-Mar

2.7%

 

Mixed

97.2

-0.6%

3.3%

94.3

05-Feb

97.8

12-Mar

1.4%

                   

0.5 crts / 50 pts

Fine

101.5

2.9%

-3.3%

94.2

09-Jan

101.5

19-Mar

6.1%

 

Commercial

105.9

2.1%

2.7%

99.6

02-Jan

107.4

12-Feb

8.0%

 

Mixed

98.4

-0.4%

-1.2%

96.2

02-Jan

100.0

23-Feb

1.9%

                   

0.3 ctrs/ 30 pts

Fine

109.4

-1.1%

8.0%

98.8

09-Feb

111.9

13-Mar

11.2%

 

Commercial

118.1

-4.3%

7.3%

110.3

04-Jan

125.4

13-Mar

8.4%

 

Mixed

122.7

-1.0%

2.5%

122.0

12-Jan

124.4

19-Feb

0.2%

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.