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Need help please... Is this a good diamond? 1.21

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ucsdkings

Rough_Rock
Joined
Apr 21, 2008
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I am looking to purchase an engagment ring from BlueNile, but need some help to evaluate this diamond and price. What do you guys think? Is it a concern that this diamond has a strong fluorescence? Thanks in advance!!!



Carat weight: 1.21

Cut: Ideal

Color: H

Clarity: VS2

Depth %: 61.9%

Table %: 55%

Symmetry: Excellent

Polish: Excellent

Girdle: Thin to medium

Culet: None

Fluorescence: Strong

Measurements: 6.88 x 6.89 x 4.26 mm

Price: $6300
 
You''ll need to list the crown and pavilion angle before we can evaluate the cut. The price looks good. You''re probably getting a discount for the strong blue florescence, so you''ll need to check that out to be sure it doesn''t make the stone look cloudy or oily looking. Most of the time it is okay.
 
I am on the Blue Nile site, but I don't see where they would list the Pavilion angle and crown details. It mentions that the GIA cert will come with the diamond, but I don't it posted. How will I be able to tell if it is too milky or oily? I'm a Newb.
 
Hmm, you can't actually click on the GIA report?

edit- found it on bluenile, and you can't access the report for this stone. Maybe it is new? I think if you email bluenile, they will be able to get you the cert or at least the crown and pavilion angles.
 
You don''t want to venture into stones without enough info. That can be a problem at BN because most of their stones are virtual listings and you can''t get someone to just look at the stone for you. If you''ll post the link, we''ll see if we can find the measurements for you.
 
I'll email them for the Cert and post it on here when I get it. Thanks for the help!

Edit- called them and GIA Cert will be sent to me in 24hours. They also mentioned that it's very rare for it to be milky or oily since its not a very strong fluorenscence.
 
Great! And that is true about the floro. It's a good deal if the cut is good (and assuming no inclusions that would be a potential problem such as a feather on the girdle)!
 
If you''re concerned about fluorescence, take a look at GIA''s study in Gems & Gemology - here...GIA Fluorescence Study...a very thorough and pictorially cool article!

You may be surprised by just how rarely strong (or more intense), blue fluorescence actually has a negative impact on the appearance of a diamond.

Having said that, if you just want to make sure it has no negative effect on appearance, try to check it out (YOURSELF) under a variety of lighting conditions...I emphasize "yourself" because you if you do see something, say in direct sunlight, you might actually find it attractive rather than negative.
 
Hi DiamondSeeker2006,

I finally got the GIA CERT in a PDF file, the file is too large to get attached. What''s your email address so I can send it to you? Thanks again!
 
Date: 4/22/2008 6:17:02 PM
Author: ucsdkings
Hi DiamondSeeker2006,

I finally got the GIA CERT in a PDF file, the file is too large to get attached. What''s your email address so I can send it to you? Thanks again!
Click to expand...
We''re not allowed to post email addy''s, but you can send it to Admin and they will post it for you!
 
Sorry, I''m new to this forum, but how do I send this to the admin and have them post it? Do you guys know how to shrink the size of a PDF file so I can attach it?
 
Alright, I finally got the Crown and Pavilion details. Hopefully, I read the GIA correctly.

Crown Angle: 35.0
Crown Height: 60%

Pavil Angle: 41.2
Pavil Depth: 43.5%

Hopefully, you guys can give me a good assessment. It also looks like there is a small crystal on top of the diamond.
 
I ran your #s through the Cut Adviser, which is a GREAT tool for narrowing your choices. I recently used it to evaluate a 1.21 ct diamond, also on Blue Nile, and it was extremely helpful: https://www.pricescope.com/cutadviser.asp

Other posts have a lot of detailed information about what the HCA does and does not tell you. Based on the results, I personally would hold off on this one and look for a better diamond/deal elsewhere:

Light Return Very Good
Fire Good
Scintillation Good
Spread
or diameter for weight Very Good

Total Visual Performance 3.5 - Very Good - Worth buying if the price is right
 
Date: 4/22/2008 7:25:58 PM
Author: SYC
I ran your #s through the Cut Adviser, which is a GREAT tool for narrowing your choices. I recently used it to evaluate a 1.21 ct diamond, also on Blue Nile, and it was extremely helpful: https://www.pricescope.com/cutadviser.asp

Other posts have a lot of detailed information about what the HCA does and does not tell you. Based on the results, I personally would hold off on this one and look for a better diamond/deal elsewhere:

Light Return Very Good
Fire Good
Scintillation Good
Spread
or diameter for weight Very Good

Total Visual Performance 3.5 - Very Good - Worth buying if the price is right
Click to expand...
Oops, I should have clarified that my fiance actually bought the 1.21 ct diamond from Blue Nile that I mentioned - it will be the center stone for my engagement ring. The diamond is beautiful, and I think the HCA tool and overall knowledge gained on this site really helped me to identify it in the first place!
 
Thanks for your response! So you think I should hold off on this one? Man, this process is pretty stressful. Not sure where I can find a better one for that price.
 
Have you tried calling Whiteflash? If you check out their website, and call to talk to them about your budget and what you''re looking for, they should be very helpful. They usually know more about their stones than Blue Nile. We bought from Blue Nile for my ring, but the AGS report and other indicators pointed to it being a fantastic stone, and I figured there was the 30 day policy just in case. If you''re just starting the search, Whiteflash could be extremely helpful. Their ACAs are gorgeous, and their Expert Selection diamonds present a very good value. Also, you could try James Allen, which sometimes has better deals -- you may be able to get better value on a diamond with them. But they are much smaller than WF -- so if you want more guidance, WF may be the way to go, while JA would require a little more legwork on your in.

And finally, the fabulous PS community may weigh in here and suggest some stones within the parameters you''re looking for.
 
Date: 4/22/2008 6:55:45 PM
Author: ucsdkings
Alright, I finally got the Crown and Pavilion details. Hopefully, I read the GIA correctly.

Crown Angle: 35.0
Crown Height: 60%

Pavil Angle: 41.2
Pavil Depth: 43.5%

Hopefully, you guys can give me a good assessment. It also looks like there is a small crystal on top of the diamond.
Click to expand...
I would personally look at some more diamonds, the crown and pavilion angles suggest this may be what we call a steep deep stone, and it could leak light as a result, leading to the diamond not performing ( sparkling) as well as it could. If it was a stone being sold by an experienced online vendor who had done the cut analysis and could show that the diamond didn't have any negative effects from the crown and pavilion combo, and that is debatable anyway, then that would be a different matter, but as it is probably a virtual stone, I wouldn't bother, but look for some more.

Check this one out. http://www.goodoldgold.com/diamond/3799/

This one. http://www.whiteflash.com/hearts_arrows/A-Cut-Above-H-A-cut-diamond-906721.htm#

With all SI clarities if you would consider that grade, always check the diamond is eyeclean to your specifications.

http://www.goodoldgold.com/diamond/3526/

http://www.whiteflash.com/hearts_arrows/A-Cut-Above-H-A-cut-diamond-906732.htm#

http://www.whiteflash.com/hearts_arrows/A-Cut-Above-H-A-cut-diamond-906713.htm#

http://www.goodoldgold.com/diamond/3357/
 
Date: 4/22/2008 7:36:32 PM
Author: ucsdkings
Thanks for your response! So you think I should hold off on this one? Man, this process is pretty stressful. Not sure where I can find a better one for that price.
Click to expand...
Forgot to mention -- I know the process can be stressful, but it will be worth it! Just try to take it easy, and know that esp. with online purchases, you always have the ability to return things, etc.

Not sure exactly what is important to you/future fiancee -- whether color/clarity is a big deal, but if someone at James Allen can confirm that this is eye-clean, it could be a good one. It scores well on the Cut Adviser, so it has potential to be a very nice, sparkly stone:

http://www.jamesallen.com/diamonds/H-SI1-Ideal-Cut-Round-Diamond-1120888.asp
 
Thanks for all your replies! Looks like I just need to do more research!
 
Okay, how about this one?

Carat weight: 1.21

Cut: Ideal

Color: H

Clarity: VS2

Depth %: 60.8%

Table %: 59%

Crown: 33

Pavilion: 41.2

Symmetry: Excellent

Polish: Very good

Girdle: Medium to slightly thick

Culet: None

Fluorescence: None

Measurements: 6.86 x 6.93 x 4.19 mm

Price $7300
 
Date: 4/23/2008 1:47:40 PM
Author: ucsdkings
Okay, how about this one?

Carat weight: 1.21

Cut: Ideal

Color: H

Clarity: VS2

Depth %: 60.8%

Table %: 59%

Crown: 33

Pavilion: 41.2

Symmetry: Excellent

Polish: Very good

Girdle: Medium to slightly thick

Culet: None

Fluorescence: None

Measurements: 6.86 x 6.93 x 4.19 mm

Price $7300
Click to expand...
Table is a bit larger than some prefer and the crown angle shallower, I would look for a diamond with proportions similar to these.

depth - 60 - 62% my personal cutoff point is 62.6%
table - 54 - 57%
crown angle - 34 - 35 degrees
pavilion angle - 40.6 - 41 deg
polish and symmetry very good and above
girdle thin to slightly thick, thin to medium, avoid extremes such as very thin to thick etc.

Also centre your search around AGS0 and GIA Excellent cut grade and you can use the search by cut tool above which is very helpful.
 
I think I found one with pretty good specs, but I''m not sure if the price is right. What do you think?

Carat weight: 1.14

Cut: Ideal

Color: H

Clarity: VS2

Depth %: 61.6%

Table %: 55%

Crown Angle: 34

Pavilion Angle: 41

Symmetry: Excellent

Polish: Very good

Girdle: Thin to medium

Culet: None

Fluorescence: None

Measurements: 6.74 x 6.79 x 4.17 mm

Price: $6700

Is there a huge difference between a 1.21 and 1.14, visually?
 
Date: 4/23/2008 3:04:38 PM
Author: ucsdkings
I think I found one with pretty good specs, but I''m not sure if the price is right. What do you think?

Carat weight: 1.14

Cut: Ideal

Color: H

Clarity: VS2

Depth %: 61.6%

Table %: 55%

Crown Angle: 34

Pavilion Angle: 41

Symmetry: Excellent

Polish: Very good

Girdle: Thin to medium

Culet: None

Fluorescence: None

Measurements: 6.74 x 6.79 x 4.17 mm

Price: $6700

Is there a huge difference between a 1.21 and 1.14, visually?
Click to expand...
Looks to be good!! An Idealscope would be nice if you could get it, but it looks promising. The visual difference depends not on carat weight, but the diameter measurements, so you need to compare on specific stones really. A well cut diamond should have a good spread or face up size.
 
I''m sorry, but what is an idealscope? Also, is $6700 a good price for this diamond?
 
Date: 4/23/2008 4:30:02 PM
Author: ucsdkings
I'm sorry, but what is an idealscope? Also, is $6700 a good price for this diamond?
Click to expand...
No need to apologize! An Idealscope image is one which can show potential light leakage in a round diamond, very useful for verifying numbers or evaluating various crown and pavilion combos for efficiency of light return, as a very basic explanation. Some vendors can offer Idealscope images of their inventory diamonds for potential buyers, or may be able to arrange one. Some vendors do not however, so you would need to ask. You can check your pricing using the Pricescope your Diamond tool above, to compare prices of similar diamonds.

More info and examples of Idealscope capabilities and uses here. https://www.pricescope.com/idealscope_indx.asp
 
Date: 4/23/2008 4:41:57 PM
Author: Lorelei

Date: 4/23/2008 4:30:02 PM
Author: ucsdkings
I''m sorry, but what is an idealscope? Also, is $6700 a good price for this diamond?
Click to expand...
Click to expand...
ucsdkings -- I''m not an expert re pricing, but Blue Nile is competitive in their prices -- esp. by comparison to "brick & mortar" stores. You will likely be able to get a better deal from a vendor like James Allen, Good Old Gold, or Whiteflash. It depends what your time frame is and what your interest in doing a little more legwork is... it probably also depends on your overall budget for the ring.

So I guess my answer would be that, given the recent price increases for diamonds, $6700 for this diamond is not bad at all (assuming that it is eye-clean and that there is no problem with cloudiness or anything else that is not revealed in the report). You probably could do better possibly price-wise, but it would require a little more effort and research. I''m sure people here at PS would be happy to help though!
 
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