first time buyer, need help please

[johnlee]

I need some help on this diamond:

report: AGS
weight: 0.77
Clarity: SI1
Color: F
Depth%: 61.6%
Table: 55%
Crown angle: 35.3 degree
Crown %: 15.6%
Pavilion angle: 40.8 degree
Pavilion %: 42.7
gridle: thn-me
Culet: no
Fluorescense: none
polish: ideal
symmetry: ideal

Is this a really good one?

I used: http://www.pricescope.com/cutadviser.asp
give me two differents result
I used crown % and pavilion % it gave me ex,ex,ex,vg (0.5)
I used crown angle and pavilion angle it gave me vg,vg,vg,vg (2.1)

I'm confusing about these result, please give me advise

Thanks

 

[Giangi]

Angles are more reliable... The score is 2.5... The stone sounds good, but not exceptional... Where have you found it?

Giangi