Polished diamond prices were generally stronger, as the markets eventually returned to normal trading volumes after the Christmas break.
Daily Index levels
Level
Daily Change
Monday 18/01
114.6
0.0%
Tuesday 19/01
115.9
1.1%
Wednesday 20/01
117.1
1.0%
Thursday 21/01
115.1
-1.7%
Friday 22/01
115.5
0.3%
Monday 25/01
116.1
0.6%
Weekly Index
The main PolishedPrices index rose by 1.3% over the week, opening at 116.1 points on Monday. The index is currently 2.5% lower than a year ago, but has risen 9.5% from last April’s low, and is 1.6% up on the year to date.
There were gains across most of the benchmark categories, with only Commercial 0.3 carats showing losses.
The biggest mover was Mixed 1.0 carats which gained 4.9% over the week.
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
1.3%
-2.5%
113.1
05-Jan
19-Jan
1.6%
1 ct
Fine
124.7
0.7%
8.7%
115.7
20-Jan
24-Jan
4.8%
Commercial
121.3
1.9%
111.8
06-Jan
124.0
4.1%
Mixed
151.3
4.9%
-2.6%
135.9
156.1
8.6%
0.5 ct
109.9
-5.7%
106.4
123.8
11-Jan
98.6
-6.6%
96.6
21-Jan
103.8
0.4%
94.4
2.9%
-1.1%
91.7
13-Jan
94.5
2.6%
0.3 ct
114.3
2.1%
1.4%
17-Jan
119.5
-1.3%
113.3
-2.1%
-7.4%
110.5
119.2
-0.8%
107.0
0.1%
1.8%
106.3
03-Jan
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.