The overall PolishedPrices index showed some fluctuations over the past week, with traders reporting last minute orders ahead of the Chinese New Year.
Daily Index levels
Level
Daily Change
Monday 04/02
138.4
0.1%
Tuesday 05/02
138.8
0.3%
Wednesday 06/02
139.3
0.4%
Thursday 07/02
139.2
-0.1%
Friday 08/02
138.1
-0.8%
Monday 11/02
139.1
0.8%
Weekly Index
The main PolishedPrices index opened up 0.5% from the previous week on Monday at 139.1 points. The overall index has lost 10.7% since this time last year and fallen 0.1% since the start of 2013.
One carat diamonds led the index into positive territory, with one carat Commercial gaining 5.4% over the past week. One carat Fine rose 1.5% and Mixed added 1.0%.
Half carat Commercial diamonds were the biggest losers, falling 4.1% 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
0.5%
-10.7%
136.6
03-Jan
142.0
17-Jan
1 crt / 4gr
Fine
149.6
1.5%
-5.3%
140.3
29-Jan
151.9
23-Jan
-4.1%
Commercial
144.9
5.4%
-8.7%
132.5
156.5
6.8%
Mixed
172.8
1.0%
-6.8%
164.8
27-Jan
181.4
24-Jan
-4.4%
0.5 crts / 50 pts
129.2
-0.9%
-13.7%
114.3
135.0
21-Jan
-2.9%
117.5
-19.5%
106.9
125.7
-2.5%
112.7
-0.4%
-17.2%
112.2
116.9
-2.7%
0.3 ctrs/ 30 pts
121.8
-4.5%
116.3
124.4
145.5
-0.6%
-6.5%
142.3
22-Jan
147.7
-1.2%
129.5
-0.3%
-2.4%
10-Feb
134.4
-0.5%
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.