Diamond Price Index
It provides wholesale polished diamond prices based on transaction prices in the wholesale market and its primary purpose is to serve the wholesale market.
Diamond price index. This statistic depicts the diamond prices over time from 1960 to 2016. These include the 4 cs carat weight cut color and clarity and other factors are also taken into account such as polish symmetry fluorescence and shape. Price index keeps pointing down. Diamond prices can vary hugely depending on a diamond s shape cut quality clarity and color.
While the information presented is from sources we believe reliable we do not guarantee the accuracy or validity of any information presented by rapaport or the views expressed by users of our internet service. Diamond price chart for round diamonds. A perfectly cut diamond will obviously have a higher value than a poorly cut diamond. The second section of this article will explain how diamond prices are determined and calculated.
If the diamond is very poorly cut it would need to be recut to make it easier to sell and that will inevitably be accompanied by a reduction in weight. In 1960 the average price for such a diamond stood at some 2 700 u s. Diamond prices index 206 3 1 3 updated september 1 2020 next update october 1 2020 determining the price of a diamond or its value involves many of the factors we discuss on our diamond grading page. This cut quality can lead to variations in price of around 5 to 15.
This price index for 1 carat 1 5 carat 2 carat and 3 carat diamonds will be updated periodically to reflect changing retail and wholesale diamond prices. Avi wohl senior lecturer of finance at the faculty of management tel. The wholesale and retail prices chart below is petra gems best average estimates based on data of leading diamond suppliers and. Note the price dip late 2008 the economic crisis and recent stabilization or even rises.
Research and development were conducted in cooperation with dr. The idex polished diamond price index rose gradually through september closing the month up 0 8 per cent. Prices update monthly this round diamond price chart shows changes in diamond prices over the past few years for different sizes. Idex polished diamond price index rises steadily.
The diamond index and diamond drivers were formulated following comprehensive research and analysis of the idex inventory database aggregated since february 2001. That s an encouraging sign especially after the 0 6 per cent rise in august suggesting. For example the cost of a one carat diamond can range from just 1 500 to more than 16 000 for an extremely well cut high quality diamond while a two carat diamond could cost as little as 6 000 or as much as 80 000 based on its shape cut clarity and color grades.