According to the most recent polished diamond index, published by polishedprices, the overall index edged upwards. On Monday August 6, the polishedprices index stood at 119.6; one week later, on Monday August 13, the polishedprices index stood at 119.9.
According to the website, the polishedprices index opened this Monday at 119.9 points – up 0.3% compared with the previous week. The overall index is 2.1% above its level of this time last year, and has gained 3.4% since the start of the year. The strongest category over the past week came came from “the better quality 1.0 carat ranges, with Fine and Commercial gaining 2.5% and 2.0% respectively”. The worst performing category was the Commercial 0.5 carat range, which slipped 1.5%, compared to the previous Monday.
Polishedprices, which went live in 2002, provides wholesale transaction-based polished diamond prices, indices, independent market reporting and opinions.
With many offices closed for the summer holidays, the overall polishedprices index edged upwards towards the end of the week.
|Daily Index levels||Level||Daily Change|
The main polishedprices index opened on Monday at 119.9 points, up 0.3% compared with the previous week. The overall index is 2.1% above its level of this time last year, and has gained 3.4% since the start of the year.
The main strength amongst the benchmark categories over the past week came from the better quality 1.0 carat ranges, with Fine and Commercial gaining 2.5% and 2.0% respectively.
The worst performer was the Commercial 0.5 carat range, which slipped 1.5%, compared to the previous Monday.
Benchmark groupings PolishedPrices Index
|Current Levels||2018 Low||2018 High|
|Index Jan 04=100||Change from week ago||Change from year ago||Index||Date||Index||Date||Year to date change|
|0.5 crts / 50 pts||Fine||101.9||0.6%||2.7%||92.8||02-Aug||105.2||25-Jun||6.5%|
|0.3 ctrs/ 30 pts||Fine||115.6||1.2%||11.7%||98.8||09-Feb||117.8||16-Jul||17.5%|
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.