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Market NewsIndex ReportsFine qualities lift diamond index

Fine qualities lift diamond index

A last-minute surge in prices for Fine qualities towards the end of the week pushed the overall diamond index into positive territory in healthy trading volumes.

 LevelDaily Change
Monday125.9+0.8%
Tuesday123.8-1.7%
Wednesday126.5+2.2%
Thursday125.7-0.7%
Friday125.6-0.1%
Monday128.5+2.3%

The overall index opened at 128.5 points on Monday, up 2.0 % on the week and 2.4% higher on the year to date.

Fine one carat diamonds surged 5.9% over the week. Fine half carat diamonds rose 4.8% and Fine thirds, or 0.3 carats, jumped 6.8%.

The only benchmark category in negative territory were Mixed 0.5 carat stones which fell 3.4%

Benchmark groupings PolishedPrices Index.

    Current Levels   Year Low Year 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

128.5

2.0%

0.9%

122.0

18-Feb

131.3

09-Jul

2.4%

                   
1 ct Fine

128.5

5.9%

9.8%

106.5

18-Mar

132.0

02-Sep

15.4%

  Com

124.9

4.5%

-0.9%

110.7

03-Oct

133.1

10-Jun

7.8%

  Mixed

168.3

1.0%

1.8%

160.3

23-Oct

183.9

09-Jul

2.5%

                   
0.5ct Fine

128.3

4.8%

5.5%

110.4

21-Jan

135.4

29-Jul

6.0%

  Com

120.1

3.8%

-0.5%

105.4

18-Feb

125.6

09-Jul

2.3%

  Mixed

100.1

-3.4%

-4.0%

95.4

04-Mar

110.5

01-Jul

-6.7%

                   
0.3ct Fine

141.2

6.8%

4.0%

117.3

23-Aug

149.9

26-Jun

-3.8%

  Com

136.8

4.4%

10.2%

121.6

25-Feb

142.8

09-Oct

-2.5%

  Mixed

112.1

0.5%

-0.1%

102.0

04-Mar

121.5

05-Jul

-3.0%

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.