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Dear xxxxx:
Thank you for choosing RingTutor's Diamond Advisor service.
I only recommend purchasing diamonds that have GIA (with the new cut grade) or AGS grading reports. GIA and AGS are considered more accurate, consistant, and thorough. The comments below will support this statement.
1. http://www.xxxx.com/print/round-diamond-1-cxxxxxxx
This diamond is my only suggestion from the three choices. GIA is an excellent report. The faint fluorescence has no bearing on this diamond. The plot and key to symbols show no feathers, cavities, chips, or other obvious potential durability issues. The new conservative cut grade Very good assures that this diamond will exhibit fire and sparkle. H typically faces up colorless giving preference to your priority of color. Clarity was lower on your list of priorities and I do not suggest going lower than this SI2. Because there are table inclusions (center of diamond) I can not guarantee that these inclusions will not be visible with your naked eye.
2. http://www.xxxxx/diamonds/search/ViewD
I do not recommend this diamond. Most importantly, the site lists this diamond as an "excellent make" referring to its cut. However, IGI does not use the term make on its grading report. If you click on the actual report you will see the cut is actually very good, NOT excellent as the site infers. Very misleading. Furthermore, if you look at the plot of this diamond the small lines extending from the outside of the diamond inward are called feathers. Feathers are breaks. The more breaks that are on the outside of a diamonds girdle (circumference), the more potential for durability issues. Furthermore, the breaks at 6:00 on the face up (left diagram) view match up with the 6:00 breaks on the face down (right diagram) view which means these breaks most likely run through the diamond from top to bottom....even more of a durability red flag.
3. http://www.xxxxx.com/diamonds/search/ViewD
I do not recommend this diamond. Si3 is not a GIA clarity grading term. If I diamond is below SI2, it should be graded (and priced) I1. Si3 is a "fudge factor" and is not accepted by the Gemological Institute of America.
If you have further questions do not hesitate to reply to this email. Thank you,
RingTutor
Your Diamond Expert On-Demand
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Case#: 0000xxxx
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Date/time of creation: x/x/2009
Reason for purchase: Other
Importance of Carat (1-4) : 4
Importance of Cut (1-4) : 2
Importance of Clarity (1-4) : 3
Importance of Color (1-4) : 1
Comments: Which of these stones is the best buy? ,And what do you base that on? Also, I was wondering what is the difference between the GIA, IGI, AND EGL?
Diamond 1:
http://www.xxxxx.com/print/round-diamond-1-carat-very-good-cut-h-color-si2-clarity
Diamond 2:
http://www.xxxxx.com/diamonds/search/ViewDetails.aspx?id=7501224&
Diamond 3:
http://www.xxxxx.com/diamonds/search/ViewDetails.aspx?id=7515024&