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Interpreting AGS report on a 2.1 D SI1 beauty

GreenBling

Brilliant_Rock
Joined
Oct 8, 2011
Messages
662
Hi

Looking for some tutorial :) Saw this 2.1 D SI1 on DB. It has AGS ideal cut grade but scores 3.5 on HCA. I have two questions:

1) Is it correct to say that one can just ignore the HCA score (as it is a rejection tool) and can safely base decision on the AGS?

2) the seller says the stone is triple 0. I saw on the report it has a 0 on cut, but where does it show the 'triple'?

Thanks!

http://diamondbistro.com/category/215/Loose-natural-Diamonds/listings/30231/210-Ct-AGS-000!,-BN-Signature-Diamond,-D-SI-1.html
 
1) Yes, although some stones with those proportions may have slight under table leakage visible via ASET/IS and perhaps in person, depending on how precisely the stone is cut.

2) I assume the seller is talking about an AGS 0 grade in cut, polish, and symmetry. To get an AGS 0 grade in cut, the polish and symmetry grades must be 0 as well.
 
A little iffy on the proportions, will require an Idealscope image. Also, probably not a BlueNile Signature Diamond, too off their standard proportions and those stones also have a GCAL grading report.
 
I recently purchased a BN Signature diamond. Mine was graded by AGS in Dec 2011 and did come with a GCAL and is also laser inscribed with the Blue Nile logo. This stone was graded back in 2008, so I am not sure if that was before they inscribed the logo and provided the GCAL. You could always call Blue Nile to verify if it is indeed a Signature diamond. Or at least find out when they started issuing GCALs with their Signature diamonds.
 
Thanks for the input. Looks like if cant see the stone in person, an ASET is critical.
 
The link is dead.For me or for everyone?
 
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