Rough Diamond Prices 2018
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.
Rough diamond prices 2018. Prices update monthly this round diamond price chart shows changes in diamond prices over the past few years for different sizes. That means a middle of the range diamond should be 11 000 12 000. During the sight sessions the company presents several collections of rough diamonds to sight holders. Diamonds under 4ct never rose as much nor fell as far.
From us 2 600 per carat. The price of a fancy light blue diamond weighing 1 07 carats in 1999 was 22 600 per carat at an auction at christie s in new york compared with a fancy light blue diamond weighing 5 06 carats sold at the same auction house for a total of 286 000 per carat more than 12 times the last price in 2016. Determining prices of rough. 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.
A 1 carat diamond can cost as low as 2 000 and as high as 25 000. The good classification of the crystalline structure of rough diamonds is determining the calculation of the purchase price indeed all crystalline shapes of diamonds do not have the same yield. A good value good quality 1 carat diamond should cost you around 4 500 6 000. Blue diamonds weighing 3 carats and up.
Fine are better goods and priced about 50 higher than commercial. De beers organizes ten sights annually where they set the prices. Each compilation is usually from 1 25 million dollars. How to calculate rough raw crude uncut diamond prices.
The stone structure will yield approximately 50 percent of the finished diamond the shapes structure will yield 45 percent the cleavages structure will yield 35 percent the macles structure will. Sounds simple but that is overpaying. Note the price dip late 2008 the economic crisis and recent stabilization or even rises. Rough natural white 1 45ct 5 250 00 rough octahedron natural yellow 6 50ct 12 000 00 1ct rough diamond from the alrosa mines in russia 105 00 1ct rough diamond from the argyle mine in australia.
According to figures from the antwerp world diamond centre the average price of imports of rough diamonds to antwerp has risen by 10 in the first three months of 2018 to 120 per carat from 109 per carat. From us 1 500 per carat. Today the company owns 35 40 of all rough diamonds. For the rough goods weight from 2 50 to 4 00 carats fine and commercial.