The overall PolishedPrices index made a strong start over the past week, but failed to hold on to the gains by the end of the week in healthy trading volumes.
Daily Index levels
Level
Daily Change
Monday 15/02
118.4
2.0%
Tuesday 16/02
119.8
1.2%
Wednesday 17/02
119.2
-0.5%
Thursday 18/02
118.7
-0.4%
Friday 19/02
116.8
-1.6%
Monday 22/02
117.5
0.6%
Weekly Index
The main PolishedPrices index fell 0.8% during the week, opening at 117.5 points on Monday. The index is currently 4.2% higher than a year ago, and has risen 10.8% from last April’s low. It is up 2.9% on the year to date.
Commercial half carats posted the largest loss slipping 2.5%. Thirty pointers (0.3 carats), were also under pressure with Fine qualities falling 2.4% and Commercial qualities down 2.3%, compared to the previous week.
The strongest performers among the benchmark categories were one carat Commercial diamonds, rising 3.0%.
Benchmark groupings PolishedPrices Index.
Current Levels
2010 Low
2010 High
Index
Jan 04
=100
Change from week ago
Change from
year ago
Date
W/E
Year to date change
Overall
-0.8%
4.2%
113.1
05-Jan
122.1
08-Feb
2.9%
1 ct
Fine
124.3
-1.7%
15.9%
115.7
20-Jan
138.3
4.4%
Commercial
122.2
3.0%
8.4%
111.8
06-Jan
129.4
4.9%
Mixed
144.1
-1.9%
9.1%
135.9
159.8
26-Jan
3.5%
0.5 ct
116.7
-0.6%
8.2%
106.4
125.7
6.8%
101.3
-2.5%
7.2%
96.2
07-Feb
107.3
3.1%
95.5
1.3%
0.1%
88.9
21-Feb
3.8%
0.3 ct
119.9
-2.4%
4.3%
17-Jan
137.0
15-Feb
3.6%
113.9
-2.3%
2.4%
110.5
21-Jan
11-Jan
-0.2%
102.8
0.0%
-3.8%
107.0
-3.2%
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.