Research and development were conducted in cooperation with dr.
Diamond price index chart.
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.
The per carat cost increases as the weight and quality increases.
Diamonds are priced per carat.
This round diamond price chart shows changes in diamond prices over the past few years for different sizes.
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.
To determine the price of a diamond you need to look at the 4cs.
Diamonds under 4ct never rose as much nor fell as far.
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.
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.
The diamond index and diamond drivers were formulated following comprehensive research and analysis of the idex inventory database aggregated since february 2001.
The following is a recent update on diamond prices from rapaport in 100s for 1 00ct to 1 49ct diamonds.
A 0 5 carat diamond may cost 2 500 per carat.
Color clarity cut and carat weight.
The second section of this article will explain how diamond prices are determined and calculated.
The price of that diamond would be 1 250 2 500 0 5.