The overall PolishedPrices index started the week trading in narrow ranges, but saw a last minute surge in activity by the end of the week, led by Commercial goods.
Daily Index levels
Level
Daily Change
Monday 11/02
139.1
0.8%
Tuesday 12/02
139.6
0.3%
Wednesday 13/02
139.9
Thursday 14/02
139.8
-0.1%
Friday 15/02
140.5
0.5%
Monday 18/02
142.2
1.2%
Weekly Index
The main PolishedPrices index opened up 2.2% from the previous week on Monday at 142.2 points. The overall index has lost 9.0% since this time last year and gained 2.1% since the start of 2013.
Commercial half carats were the best performers over the past week, gaining 8.6%. Commercial one carats diamonds rose 6.6%.
Mixed quality 0.3 carats were the biggest losers, falling 0.8% on the previous week.
Benchmark groupings PolishedPrices Index
Current Levels
2013 Low
2013 High
Index Jan 04=100
Change from week ago
Change from year ago
Index
Date
Year to date change
Overall
2.2%
-9.0%
136.6
03-Jan
17-Feb
2.1%
1 crt / 4gr
Fine
150.7
-9.8%
140.3
29-Jan
153.9
14-Feb
-3.4%
Commercial
154.4
6.6%
-7.0%
132.5
156.5
17-Jan
13.8%
Mixed
180.5
4.4%
-5.2%
164.8
27-Jan
181.4
24-Jan
0.5 crts / 50 pts
134.6
4.2%
-15.3%
114.3
135.0
21-Jan
127.5
8.6%
-10.1%
106.9
5.9%
112.0
-0.6%
-16.6%
112.2
116.9
-3.3%
0.3 ctrs/ 30 pts
123.6
1.4%
-8.2%
116.3
125.3
11-Feb
1.8%
144.8
-0.5%
0.9%
142.3
22-Jan
147.7
-1.7%
128.4
-0.8%
-2.3%
134.4
-1.3%
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.