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3 Diamonds to Pick From - Help

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alphadiamond

Rough_Rock
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Aug 5, 2009
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Hi PS members,

It''s me again. I narrowed down my searches to these 3 diamonds. Prices are only a few hundred different from each other so it''s no biggie. All 3 are EVS1 Round and Triple Excellence. I''ll list the specs below.

The 1st one has a score of 2.5 on the HCA but it has Hearts and Arrow commented on the GIA. It was also a recommended buy from the seller. Is the H&A a better cut diamond compared to the others or should I based my judgment from HCA score?

1st -
1.10 Round
Table: 56
Depth: 61.9
Girdle - Medium (3.5%)
Crown: 35.5
Pavilion: 40.8
GIA Comments - H & A
HCA - 2.5 (Very Good)

2nd -
1.11 Round
Table: 56
Depth: 61.8
Girdle - Medium (3.0%)
Crown: 35.5
Pavilion: 40.6
GIA Comments - None
HCA - 1.3 (Excellent)

3rd -
1.13 Round
Table: 56
Depth: 61.9
Girdle - Medium to slightly thick (3.5%)
Crown: 35
Pavilion: 40.6
GIA Comments - None
HCA - 0.9 (Excellent)

Thanks for your replies.
 
They all show potential, are these online or from a store jeweller? Also don't base judgement on HCA score, if these are online then Idealscope images if possible are the next step.

Also can you post the star and lower girdle facet percentages for each please? These will be on the grading reports on the diamond diagram.
 
Hi Lorelei,

These are from online. I can always count on you for a quick responses.

1st -
Star: 50%
Lower Girdle: 80%

2nd -
Star: 55%
Lower Girdle: 80%

3rd -
Star: 50%
Lower Girdle: 80%
 
LOL! Most welcome! Those are all within good range for these diamonds, can you get IS for them?
 
I''ll have to ask the online dealer if not I''ll have to buy a scope and check it out myself.
 
Great news, I should be getting the images by tomorrow morning. I''ll post it as soon as I get them.
 
Date: 8/12/2009 5:14:54 PM
Author: alphadiamond
Great news, I should be getting the images by tomorrow morning. I''ll post it as soon as I get them.
Click to expand...
Sounds good!
 
Good.
 
Date: 8/12/2009 3:24:19 PM
Author:alphadiamond

The 1st one has a score of 2.5 on the HCA but it has Hearts and Arrow commented on the GIA. It was also a recommended buy from the seller. Is the H&A a better cut diamond compared to the others or should I based my judgment from HCA score?

1st -
1.10 Round
Table: 56
Depth: 61.9
Girdle - Medium (3.5%)
Crown: 35.5
Pavilion: 40.8
GIA Comments - H & A
HCA - 2.5 (Very Good)
Click to expand...
The H&A comment means nothing without seeing actual hearts & arrows photos: GIA just inscribed what they were instructed to.

Dovetailing with this, the veracity of the HCA result will depend on cut consistency. If this is a diamond with top H&A optical symmetry all is well. If the cut consistency is not so good the variance may be creating loss in performance, which is why the HCA result is a "tweener" without more info.

In my opinion images are really needed - in all cases - with GIA reports. From the girdle measurement this may be an AGS report though? If it has a 0 in light performance that''s a great indicator, but if they are charging a premium for H&A you should insist on images.
 
Pic 1

EVS1ISPIC1.JPG
 
And Here''s Pic 2. What are those 3 dark dots near the top?

EVS1ISPIC2.JPG
 
Inclusions.
 
How''s the Ideal scope image for this diamond? Is it worth buying?

I also attached another pic and it seems like I can see those 3 dots pretty clearly. Are those something I should be worried about? Are those like black carbon?

EVS1ISPIC4.JPG
 
Date: 8/13/2009 1:21:52 PM
Author: Stone-cold11
Inclusions.
Click to expand...
Or even dust/dirt on the diamond at that magnification. Check the clarity plot.
 
I looked on the plot and it only listed cloud and feather but it''s no where near the area of those 3 dots. Although it say under comment that pinpoints aren''t shown.
 
Hmm, it is there on the diamond image too. 9-10 o'clock. What clarity grade is that stone?
 
VS1. It''s not something I should be able to see right?
 
ya, should not be visible, especially table up in a VS1. Check with the vendor again. Maybe it really is dust/dirt when these images are taken.
 
Thanks. Any comments on the ideal scope image?
 
Date: 8/13/2009 1:34:04 PM
Author: alphadiamond
I looked on the plot and it only listed cloud and feather but it''s no where near the area of those 3 dots. Although it say under comment that pinpoints aren''t shown.
Click to expand...
I''m inclined to go with SC''s initial reaction, since they did not move between IS and tweezer shot.

Remember that clarity is assigned at 10X mag. "Pinpoints not shown" means the grader noted them for thoroughness but they were so non-issue that they weren''t included on the plot.

At the magnification you''re seeing on the screen they very well could be pinpoints. For scale, try putting a ruler up against your monitor and compare what a 6.5mm diameter looks like versus the size of the diamond on the screen.
 
The vendor confirms that it''s not there on the diamond.
 
IS image looks good to me.
 
Cool. Vendor is getting it cleaned right now and will be sending me new images.

I also used the ruler and measured the screen image. It comes out to about 115mm. Is that like almost 20x magnification?
 
Date: 8/13/2009 2:20:04 PM
Author: alphadiamond

I also used the ruler and measured the screen image. It comes out to about 115mm. Is that like almost 20x magnification?
Click to expand...
Debatable: https://www.pricescope.com/community/threads/james-allen-pictures.121037/

Bear in mind that a stereoscopic view at any zoom reveals more than a similar flat photo (or monoscopic loupe) because the viewer has depth perception. That is why someone with the diamond in-hand can often communicate detail better than a photo.
 
I spoke to the vendor and those 3 dots are a reflection off the cloud located near the table. It''s eye clean and only visible through a 10x loupe at a certain angle. I''m pretty close to purchasing this stone. Is this something I should be worried about?
 
Date: 8/13/2009 2:53:47 PM
Author: alphadiamond
I spoke to the vendor and those 3 dots are a reflection off the cloud located near the table. It''s eye clean and only visible through a 10x loupe at a certain angle. I''m pretty close to purchasing this stone. Is this something I should be worried about?
Click to expand...
Not in my opinion.
 
Weird for it to get a VS1 grade, but now I see the cloud causing the reflection. Which stone is this?
 
The 1st one. Any recommendation for my next step?

1.10 Round
Table: 56
Depth: 61.9
Girdle - Medium (3.5%)
Crown: 35.5
Pavilion: 40.8
GIA Comments - H & A
HCA - 2.5 (Very Good)
 
Is the vendor selling this stone as a H&A with a mark-up price compared to the other 2 stones? Or it is just a comment in the GIA report? If he is selling as a H&A, request for a Hearts image to verify what you are paying for.
 
The price isn''t marked up compared to the other 2. The price for this stone should be around 9000. I could be wrong but it feels like a great price.
 
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