Help! What do you think of this diamond? (with ASET & Idealscope)

[fashionangel]

Please let me know whether this GIA graded diamond is a good buy.

1.26 Ct, F, VS2
6.99x7.04x4.20
Triple Ex
Table 58
Depth 59.9
Crown 33.5
pavillion 40.8
Girdle thin - medium

 

[fashionangel]

Idealscope

 

[jet2ks]

I don't know if it is just in the imaging setup, but the IS and ASET are showing some obstruction issues, which is unusual for a diamond with a 40.8 pavillion.

Is this diamond intended for a ring?

 

[fashionangel]

Date: 1/12/2010 10:16:28 AM
Author: jet2ks
I don''t know if it is just in the imaging setup, but the IS and ASET are showing some obstruction issues, which is unusual for a diamond with a 40.8 pavillion.

Is this diamond intended for a ring?

Yes it is intended for a ring. Can you explain more about the ''obstruction issues''? Do I need to ask the vendor to send better images?

 

[stone-cold11]

Obstruction is the darkening of the stone due to the shadow cast onto the stone by the viewer. IS/ASET contrast color simulate a normal viewing at a distance of about 12 inches from the stone.

 

[fashionangel]

Date: 1/12/2010 7:59:52 PM
Author: Stone-cold11
Obstruction is the darkening of the stone due to the shadow cast onto the stone by the viewer. IS/ASET contrast color simulate a normal viewing at a distance of about 12 inches from the stone.

Thanks stone-cold11. So it''s not the problem of the diamond? Are these images not good enough to judge the diamond?

 

[stone-cold11]

Date: 1/12/2010 8:27:22 PM
Author: fashionangel

Date: 1/12/2010 7:59:52 PM

Author: Stone-cold11

Obstruction is the darkening of the stone due to the shadow cast onto the stone by the viewer. IS/ASET contrast color simulate a normal viewing at a distance of about 12 inches from the stone.

Thanks stone-cold11. So it''s not the problem of the diamond? Are these images not good enough to judge the diamond?

Depends, might be the image set up or the stone. If it is the stone, the stone will look dark, imagine the black(IS)/blue(ASET) becoming black in a shining white stone, from the wearer''s point of view closer than an arm''s length away, which is bad. Ask for a retake of the IS/ASET images and a normal lighting image.

 

[Dreamer_D]

The HCA is great, I''ve actually never seen a diamond with 4 excellents, including spread. I usually prefer a smaler table, but if the angles are complimentary then it is ok I suppose.

Some of the arrows look kind of paddley in the IS. Maybe ask for another pic to be taken? Maybe Garry can shed some light, or Karl, if they see this.

 

[yssie]

I had a stone with 4 ex''s on the HCA. It visibly darkened when I leaned over it, had little fire, but was a mirror for bright white light.


The IS looked a lot like that - very clear paddles, and muddled arrows - in mine it was a bit more pronounced.


Just my personal example.

 

[fashionangel]

Date: 1/12/2010 9:49:33 PM
Author: yssie
I had a stone with 4 ex''s on the HCA. It visibly darkened when I leaned over it, had little fire, but was a mirror for bright white light.


The IS looked a lot like that - very clear paddles, and muddled arrows - in mine it was a bit more pronounced.


Just my personal example.

so how does this happen? if it has excellent cut & proportions how come it turns out not nice? diamonds seem like such a complex subject! i''m really confused and wonder how can i be sure to get the best cut diamond that has lots of fire & brilliance.

 

[yssie]

Date: 1/12/2010 11:51:05 PM
Author: fashionangel

Date: 1/12/2010 9:49:33 PM
Author: yssie
I had a stone with 4 ex's on the HCA. It visibly darkened when I leaned over it, had little fire, but was a mirror for bright white light.


The IS looked a lot like that - very clear paddles, and muddled arrows - in mine it was a bit more pronounced.


Just my personal example.

so how does this happen? if it has excellent cut & proportions how come it turns out not nice? diamonds seem like such a complex subject! i'm really confused and wonder how can i be sure to get the best cut diamond that has lots of fire & brilliance.

Sometimes the labs will label a set of proportions that aren't really excellent "excellent". Sometimes the average values will be truly excellent, but there is actually quite a bit of variation, some of which produces less than ideal light output.

My old stone had an avg crown of 33.5, avg pavilion of 40.6, which can make for a very nice stone. The sarin scan, though, showed crown variance from 33.2-33.9 and pavilion 40.3-41.1. Proportions of 33.2/40.3 make for a very shallow stone that has some serious obstruction issues.

My current stone's crown varies from 35.5-36 degrees, pavilion from 40.6-40.7. It's much, much more tightly cut, there are no hidden variations to hurt performance, and the IS shows it.

 

[Garry H (Cut Nut)]

I thiknk the stone is slightly painted which can be a bad combo in a shallowish stone.
I expect from 14-20 inches the stone would look great - but close up it will go a bit dark

 

[Dreamer_D]

And there you have it.

 

[fashionangel]

Date: 1/12/2010 8:50:49 PM
Author: Stone-cold11

Date: 1/12/2010 8:27:22 PM
Author: fashionangel

Date: 1/12/2010 7:59:52 PM

Author: Stone-cold11

Obstruction is the darkening of the stone due to the shadow cast onto the stone by the viewer. IS/ASET contrast color simulate a normal viewing at a distance of about 12 inches from the stone.

Thanks stone-cold11. So it''s not the problem of the diamond? Are these images not good enough to judge the diamond?

Depends, might be the image set up or the stone. If it is the stone, the stone will look dark, imagine the black(IS)/blue(ASET) becoming black in a shining white stone, from the wearer''s point of view closer than an arm''s length away, which is bad. Ask for a retake of the IS/ASET images and a normal lighting image.

Here are more pictures.

 

[fashionangel]

Image of actual diamond

 

[fashionangel]

one more ASET image. I need to know whether I should buy this diamond! Thanks for your help.

 

[yssie]

Do you like it?




Would I buy it? No, because I want as close to a perfect cut as I can get. Does that make it a bad diamond? Not by any means - it's just not an uber-super-diamond, and it could be a great deal if it's nicely priced. It really depends on what you're looking for.

 

[stone-cold11]

Ditto.

 

[fashionangel]

Date: 1/13/2010 8:16:27 PM
Author: yssie
Do you like it?




Would I buy it? No, because I want as close to a perfect cut as I can get. Does that make it a bad diamond? Not by any means - it''s just not an uber-super-diamond, and it could be a great deal if it''s nicely priced. It really depends on what you''re looking for.

Hi yssie, I don''t know much about the "obstruction issue" even after I read up several threads on PS. It is kind of hard for a layman like me to understand. The problem is that I will be buying online so I can''t see the actual stone to see whether i like it. My concern is how often does the obstruction issue affect the appearance of the diamond? Does it only happen when your head is directly on top of it? what if when the diamond is tilted a little? Thanks.

 

[yssie]

Obstruction becomes an issue in shallow stones when direct light is blocked - leaning over it is one example. The closer your head gets to the stone, the more light that is blocked, and the darker the stone becomes. Some contrast is needed, but that ASET has a fair bit of extra blue - these areas are showing that light is obscured by your head whereas the stone should be able to draw and reflect back light entering from 0-75degrees. When the diamond is tilted or you lean back the effect will disappear, as those direct sources of light are no longer blocked to those facets.

My stone showed this effect much more severely than yours will.



Here's a good video: http://diamondscope.pricescope.com/
Head obstruction is listed at the bottom.

 

[Dreamer_D]

The picture looks really pretty! As garry mentioned somewhere, do you have a fluffy brown coiffure?

That might make obstruction issues worse.

 

[fashionangel]

I found a new diamond on bluenile unfortunately they can''t send me images please help to see if this is a nice. Thanks a lot!

1.29Ct, F VS2
7.08x7.13x4.27
Triple Ex
Table 58%
Depth 60.1%
Crown 34
Pavillion 41
Girdle thin-medium 2.5%
Upper & lower % - 50% & 80%

 

[stone-cold11]

Looks promising.

 

[fashionangel]

Date: 1/14/2010 8:55:23 PM
Author: Stone-cold11
Looks promising.

Stone-cold thanks for your quick reply do you see any potential problem based on the proportions?

 

[stone-cold11]

Should not be, but without image cannot be 100% sure. I would probably say the same thing for the initial stone but look how the image turns out...

 

[Lorelei]

Date: 1/14/2010 8:54:24 PM
Author: fashionangel
I found a new diamond on bluenile unfortunately they can't send me images please help to see if this is a nice. Thanks a lot!

1.29Ct, F VS2
7.08x7.13x4.27
Triple Ex
Table 58%
Depth 60.1%
Crown 34
Pavillion 41
Girdle thin-medium 2.5%
Upper & lower % - 50% & 80%

Without images it isn't possible to say definitely that any diamond will be a winner, however this stone does have excellent overall proportions so the chances are reasonable it will be a beautiful diamond - but there are no guarantees. BN do have a good return policy so plenty of time for you to inspect it to make sure it is the right one should you decide to order.