diamond questions (gia interpretation)

[rstillin]

Question about a comment in a GIA report. How would internal grain line and surface grain line affect value of a diamond? What do you think of the attached report? Could you estimate a value for the stone (+/- of course)?

 

[Lorelei]

HI and welcome

Generally comments such as those are included on reports for the sake of thoroughness and aren't concerns. There is a search tool at the top of the page , enter in your diamond specs and it should bring up similar so you can get an idea of prices. I don't like the depth on this diamond at over 64% - it will look smaller than it should and there isn't enough info to go by to analyze cut quality. You will also pay a premium for an E colour, unless that is what you want, plus the VS clarity. You could get a fab diamond in a lower colour and clarity, for example an F or G or even H colour would still look very white if the cut was great and a lower clarity such as SI1 may still be eyeclean. Read the tutorial at the top of the page under knowledge so you can see the ideal proportions to look for in a well cut diamond. The girdle is on the thick side too which can cost you appearant weight. A diamond's beauty is nearly totally dependant on it's cut so make this your top priority. I would keep looking if I were you. Hope this helps.

 

[rstillin]

Good to know it''s not really a concern (the graining). How would it affect price? This is not an ideal diamond for sure, the spread is similiar to a 90 pointer with a much better cut. I''m going to take a look at it, just for my education, and was trying to determine what a "good buy" for such a diamond might be.

 

[Lorelei]

I don't think the surface graining is an issue at all or would affect the price adversely. It is a good thing to compare different diamonds so you can see what to buy. I will post a link for you re - surface graining in a moment.

This should reiterate for you that they are not a concern Here hope this helps. Also you can use the search tool above , there is lots of info on surface graining which should answer your questions.

 

[blodthecat]

I would have to agree that it is too deep. As a rough guide 60% depth and 60% in table percentage is a good rule of thumb.

Blod