Historical Research and Diamond Market Database

The WWW database is designed to be a central repository for all information relating to the entire diamond industry. It contains history and forecasts for all stages of the diamond pipeline, as well as history and forecasts for the macro-economic factors that have a bearing upon the diamond industry.

The techniques developed by WWW allow subscribers to analyse the effects of any factor, economic, cultural or political upon the diamond trade including demand (both regional and global), supply (rough being mined), manufacturing techniques, prices (rough and polished) and stocks.

Macro Economics

The macroeconomic environment has an obvious effect upon the diamond trade. WWW has developed econometric models based on past behaviour of consumer demand to establish forecasts for the future. As well as the Central Forecast, WWW can provide Supply/Demand Scenarios for any circumstances, either macroeconomic, or diamond specific.

The macro economic data currently available for the countries covered by our database are:

Exchange Rates
Real GDP
Nominal GDP
Real Consumer Expenditure
Nominal Consumer Expenditure

Jewellery and Luxury Markets

The WWW database contains estimates of past jewellery consumption, as well as forecasts for 74 consumer countries. For each country we estimate the number of pieces sold, the retail value in local currency and US dollars, and also the carats and value of the polished contained in diamond jewellery at wholesale values. This polished demand is also expressed in five broad categories used in our analysis of supply and demand.

A more detailed analysis including individual sizes, colours and qualities is available on demand.

WWW commissions its own consumer research to create this database.

Polished Diamond Demand

Market research information is used to express retail demand in polished wholesale terms. The base model is broken down into five broad categories of polished.

Fine Large: +20pts D-I Colour. Flawless to VS2

Fine Small: -20pts D-I Colour. Flawless to VS2

Commercial Large: +20pts J-K Colour. SI1-SI3

Commercial Small: -20pts J-K Colour. SI1-SI3

Mixed: L and below I1 and below

WWW produces price forecasts for these five broad categories of rough. The sophistication of the modelling allows different splits to be analysed upon demand.

Rough Diamond Supply and Demand

WWW Mining data provides a breakdown by producer into the following five categories of rough.

Fine Large:
+3gr D-I Colour. Flawless to VS2
DTC Extra-2nd Colour, 1st and 2nd Quality

Fine Small:
-3gr D-I Colour. Flawless to VS2
DTC Extra-2nd Colour, 1st and 2nd Quality

Commercial Large:
+3gr J-K Colour. SI1-SI3
DTC 3rd and 4th Colour, 3rd and 4th Quality

Commercial Small:
-3gr J-K Colour. SI1-SI3
DTC 3rd and 4th Colour, 3rd and 4th Quality

All Goods Colour K and down, and below I1
Clivage, Rejections, Boart etc

Rough to polished models convert this data into the expected polished outcome.

Stocks / Inventory

WWW collects information on, and makes forecasts of stocks at all stages of the diamond pipeline:
Rough Stocks in Cutting Centres
Polished Stocks in Cutting Centres
Stocks at Wholesale Jewellery
Stocks in Retail Jewellers


WWW’s unique insight into the diamond industry allows it to create an in-depth and internally consistent analysis of the flow of diamonds throughout the diamond pipeline.

Monthly, Quarterly or Bi-annually, WWW produces reports which bring together the conclusions that can be drawn from the database.

Recent trends, cultural, economic and political are analysed and the consequences for the diamond industry discussed. Likely future trends are analysed, and areas for growth potential are identified.

WWW highlights risks to future profitability and quantifies the extent of downside risks.

Countries Covered: Our industry research across all topic areas covers 74 major jewellery consuming countries worldwide.