Menu
Market NewsIndex ReportsDiamond index remains steady

Diamond index remains steady

The overall polishedprices index remained level during the past week.

Daily Index levels

Level

Daily Change

Monday 13/01

115.2

-0.5%

Tuesday 14/01

115.3

0.1%

Wednesday 15/01

115.2

-0.1%

Thursday 16/01

115.5

0.3%

Friday 17/01

115.0

-0.5%

Monday 20/01

115.2

0.1%

Weekly Index

The main polishedprices index opened on Monday at 115.2 points, level with the previous Monday. The overall index is 4.5% below its level of this time last year, and has slipped 0.4% since the start of this year.

Of the benchmark categories, the largest gain came from the Fine 0.3 carat range, which added 2.3% over the week.

The largest loss came from the Mixed 1.0 carat range, which lost 0.6% compared to the previous Monday.

Benchmark groupings PolishedPrices Index

   

Current Levels

   

2020  Low

 

2020

High

   
   

 Index Jan 04=100

Change from week ago

Change from year ago

Index

Date

Index

Date

Year to date change

 

Overall

114.9

-0.3%

-4.7%

114.9

20-Jan

115.8

10-Jan

-0.6%

                   

1 crt/4gr

Fine

108.6

-1.9%

-7.2%

108.6

20-Jan

114.0

16-Jan

-2.4%

 

Commercial

110.2

-2.2%

-5.7%

110.2

20-Jan

115.4

08-Jan

-2.0%

 

Mixed

105.4

-0.8%

-4.3%

105.4

20-Jan

111.3

08-Jan

-3.9%

                   

0.5 crts / 50 pts

Fine

94.0

1.1%

-4.1%

91.3

16-Jan

98.2

10-Jan

-2.3%

 

Commercial

97.4

0.3%

-5.6%

96.7

17-Jan

99.5

03-Jan

-1.9%

 

Mixed

97.2

0.4%

-0.3%

96.4

07-Jan

97.7

17-Jan

0.5%

                   

0.3 ctrs/ 30 pts

Fine

94.5

2.8%

-6.4%

91.2

08-Jan

94.9

16-Jan

1.8%

 

Commercial

96.7

0.1%

-12.7%

95.6

02-Jan

97.4

15-Jan

0.7%

 

Mixed

112.6

-0.3%

-3.8%

112.5

07-Jan

113.0

14-Jan

-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.