shape
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clarity

Graphing Diamond Prices

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larry

Rough_Rock
Joined
Mar 7, 2002
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85
I was just fooling around with Excel and graphing carats vs price of specifc suitable diamonds (using search by cut quality of excellent). I was able to pull what I thought were good buys by looking for diamonds that fell outside of the normal. I don't know if this would be hard to add to the site and if the graph is really that vaild.
 
This one looked good in the price graph for the size vs price:

https://www.pricescope.com/origin.asp?id=76&sh=88&prc=1925

Crt 0.59
Col G
Clar VS2
AGS 0
Total/Brl-Fr-Sct-Spd 0.3-EX ex-ex-ex-ex
Dpt 60.5
Tbl 55
Crn 34.2°
Pav 42.4%
Lab AGS
Gdl n-f
Cul Pt
Sym id
Pol id
Flr no
Price $1925
 
These two came up a good price vs Carat as well:

https://www.pricescope.com/origin.asp?id=75&sh=88&prc=1950
https://www.pricescope.com/origin.asp?id=81&sh=88&prc=1980
 
Good Morning. I have three questions:
1.Is there a web site that post Antwerp rough diamond prices?
2. What can I expect to pay for .75 / 1.00 carat rought VS2 H or I/color.?
3. What could I hope to sale a rough weighing .75 to 1.00 carat?
I'm new in the business, I received an opportunity to move to Africa to market (possibly) rough and polish diamonds. Any suggestion and or direction for information would be greatly appreciated
Mari:wavey:
 
It is doable Larry :wavey:

I was thinking of doing it as a part of advanced section for pricescope. Do you think it would be useful?
 
Larry,

I did it for my selection but I graphed price vs width in mm -- because I figured that many sellers would miss that but not price vs carat.

In the end, I found diamonds of the quality I wanted ranging from 1157 to $1250 per mm-wide. But I did not select the cheaper ones because there was always somthing not as good about them. It proved futule for e-ring purposes because I did not want to skimp on anything except size. But it would have been good for buying a stone for myself.
 
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