In an effort to help you better understand what to look out for in an ASET image, I had compiled some images of diamonds with various levels of optical performances. Feel free to make comparisons of your diamond’s ASET against those listed below and you’ll quickly find out how well it returns light.

If you are buying online, vendors like Enchanted Diamonds, White Flash and Brian Gavin are all great places to start your shopping as they provide indepth information about their listings. On top of that, you also get a massive selection of AGS and GIA graded diamonds for you to cherry pick from.

ASET Reference Charts For Round Brilliant Cut Diamonds

Average – Mediocre

asets of poorly cut round diamonds


Above Average – Very Good

examples of good round brilliant cut ASETs


Best – Excellent

aset chart of round diamonds with excellent optics


ASET Reference Photographs For Princess Cut Diamonds

Average – Decent

ags poor princess cut diamond asets


Very Good – Above Average

very well cut princess cut diamonds aset


Ideal – Best

ags000 princess cut aset


ASET Image Examples For Cushion Cut Diamonds

Average – Mediocre Light Return

aset images for poor optical performance cushion diamond


Above Average – Very Good Light Return

aset images for average optical performance cushion


Strong – Ideal Light Return

aset images for ideal optical performance in cushion cuts


ASET Pictures For Oval Diamonds With Different Light Performances

For fancy shapes like ovals, pears and radiants, you shouldn’t be expecting to see saturated reds (like those in ideal cut rounds) throughout the entire ASET image of the diamond. Due to the nature of how light works, light leakage (white) will be seen even in the most well-cut stones.

Average – Mediocre Optics

aset of leaky oval shaped diamonds


Above Average – Good Optics

aset of OK oval shaped diamonds


Excellent – Strong Optics

aset of excellent brightness oval shaped diamonds


ASET Reference Charts For Marquise Diamonds

Average – Mediocre

aset photographs for marquise diamonds with poor light performance


Above Average – Very Good

aset photographs for marquise diamonds with very good light performance


Best – Excellent

aset photographs for marquise diamonds with ideal light performance


ASET Reference Charts For Pear Diamonds

Average – Mediocre

aset examples of poorly cut pear diamonds


Above Average – Very Good

aset examples of very good cut pear diamonds


Best – Excellent

aset examples of excellent cut pear diamonds


ASET Reference Images For Emerald Cut Diamonds

Bad Optics – Poor

emerald-cut-diamonds-aset images indicating extraneous light leakage


Very Good – Above Average

emerald cut diamonds aset images showing ok optics


Best – Excellent

emerald cut diamonds aset images excellent optics


ASET Reference Images For Asscher Cut Diamonds

Bad Optics – Poor

asscher cut poor light performance aset


Very Good – Above Average

asscher OK light return aset


Best – Excellent

asscher cut ideal quality optics aset photo


ASET Reference Charts For Radiant Cut Diamonds

Poor – Average

asets of crushed ice radiant cuts with alot of light leakage


Good – Above Average

aset images of crushed ice radiants with good performance


Best – Excellent

ideal optics for well-cut radiant diamonds asets


ASET Reference Charts For Heart Shaped Diamonds

Average – Decent

aset for poorly cut heart shaped diamonds


Above Average – Very Good

aset for very good cut heart shaped diamonds


Best – Excellent

aset for excellent cut heart shaped diamonds

If you need a second opinion about an ASET image, feel free to contact me personally via email. Do remember to include as much details as possible including the grading report, listing URL, images, videos and etc…

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95 Comments

  1. Thiago-
    May 4, 2015 at 10:31 am

    My problem is that I am Red/Green color blind and trying to translate the Angular Spectrum Evaluation Tool photos is next to impossible for me. Would it be possible for you to help me analyze the pictures?

  2. Paul Gian-
    May 16, 2015 at 2:16 am

    Sure! Send me all the information you have (reports, pictures, photographs, urls) and I’ll let you know what I think about the stone’s performance.

  3. Judy-
    January 5, 2016 at 8:13 pm

    Hi Paul, I am interested in this James Allen stone but the sales rep says there’s no ASET or Ideal Scope image available. Should I go ahead and buy?: https://www.jamesallen.com/loose-diamonds/round-cut/1.14-carat-f-color-vs1-clarity-excellent-cut-sku-838710

  4. Paul Gian-
    January 6, 2016 at 5:56 am

    This diamond looks great. I can tell you that the idealscope image of this diamond will be awesome even if James Allen can’t capture the image on your behalf. Go for it! I’m sure you will be thrilled to see the stone in person.

  5. Sherry Moawad-
    January 27, 2016 at 9:41 pm

    Hi Paul,

    What can you tell me about this ASET image? Will I get good light return with this stone?

    https://enchanteddiamonds.com/diamonds/view/C401-GZPLLN

  6. Paul Gian-
    January 28, 2016 at 9:14 am

    Hi Sherry,

    The ASET is computer generated from a scan of the stone’s proportions.
    Anyway, https://enchanteddiamonds.com/diamonds/view/C401-GZPLLN?a_aid=recommended is a really well cut diamond.

    I can tell you from experience that this will be one of the brightest cushion diamond out there in the market. Unfortunately, it’s been on hold or sold.

    Paul

  7. Emma-
    February 13, 2016 at 5:54 pm

    Hi there
    I love old diamonds- Edwardian , Giorgian ones- I prefer ones that have a soft light and sort of just twinkle rather than blinding me with their laser beams- I even like when they seem a bit grey ( not crazy about the yellow looking ones though)
    Do you have advice for buying antiques?

  8. Paul Gian-
    February 14, 2016 at 2:31 pm

    Sign up for our newsletter. I have a pending write up on antique jewelry in the coming months.

  9. Mindy-
    March 29, 2016 at 12:31 am

    Hi Paul,

    James Allen doesn’t have ASET image for this stone: https://www.jamesallen.com/loose-diamonds/radiant-cut/1.51-carat-f-color-vvs1-clarity-sku-988106

    Can you tell if this is a good buy or not buy just the image on their website? THANKS!

  10. Paul Gian-
    March 29, 2016 at 2:34 pm

    It looks like a good stone.

  11. Jerry-
    April 23, 2016 at 12:31 am

    Paul, whats your opinion on this pair? Should I be looking for symmetry in these images?
    http://www.briangavindiamonds.com/diamond_pair_comparisions/compared_diamond_details/AGS-104086279016/AGS-104086279022

  12. Paul Gian-
    April 23, 2016 at 5:27 am

    I think it’s a great pair. When choosing matching earrings, the overall size, table and depth percentages of the diamonds should be relatively close to each other. I think you did well and Brian Gavin’s signature diamonds are top notch.

  13. Jerry-
    April 23, 2016 at 1:20 pm

    Thanks Paul! One more question please. Thiis pair looks better on paper as far as symmetry is concerned. One is VS1 and one is VS2, what is your opinion on the inclusion on the VS2 please? Is this a better choice? Thanks!
    http://www.briangavindiamonds.com/diamond_pair_comparisions/compared_diamond_details/AGS-104086279022/AGS-104086279011

  14. Paul Gian-
    April 23, 2016 at 4:37 pm

    The differences are negligible. This is a great set as well.

  15. Neil-
    May 23, 2016 at 12:18 am
  16. Paul Gian-
    May 23, 2016 at 3:05 am

    Yes it is. It’s well cut. One word of advice though, if you don’t need D color and IF clarity for symbolic reasons, it’s just a waste of money to pay for these features.

  17. Chanel-
    May 26, 2016 at 3:17 am

    Your thoughts on this diamond:

    Measurements 6.96 – 6.99 x 4.38 mm
    Carat Weight 1.31 carat
    Color Grade D
    Clarity Grade VS2
    Cut Grade Very Good
    Polish Excellent
    Symmetry Excellent

    PROPORTIONS:

    Depth 62.8 %
    Table 55 %
    Crown Angle 35°
    Crown Height 15.5%
    Pavilion Angle 41°
    Pavilion Depth 43.5%
    Star Length 50%
    Lower Half 80%
    Girdle Med – slthk, Faceted, 4.0%
    Culet None

  18. Paul Gian-
    May 26, 2016 at 7:12 am

    Mediocre stone. The Very Good cut rating by itself is a red flag.

  19. El-
    May 30, 2016 at 11:19 pm

    Hi Paul,

    Thank you so much for your wealth of knowledge. Wondering your opinion on this stone: http://www.brilliantearth.com/loose-diamonds/view_detail/2158678. Furthermore, what is your top advice for purchasing in person from Brilliant Earth? I don’t know if they will have an Idealscope or ASET available so I almost feel like I would be even more blind than online. Thanks!

  20. Paul Gian-
    May 31, 2016 at 8:13 am

    This is a well cut diamond. As far as I know, Brilliant Earth does not have ASET imagery capability in their showrooms. Anyway, you don’t need an ASET if you know what to look out for.

  21. AG-
    June 4, 2016 at 12:13 pm

    Hi Paul, Your website has been a great help on getting to know the basics. I have found an emerald and would very much like your opinion for the cut and if it’s a good value diamond. I have requested the ASET chart cause I find it difficult to spot if it’s symmetric and well cut.

    https://www.ritani.com/diamonds/emerald-diamond-0-90-Carat-G-color-GIA-certified/D-FS5VY3

    Thanks!

  22. Paul Gian-
    June 4, 2016 at 1:17 pm

    I reviewed the diamond here and I think it is a well cut emerald shape.

  23. JZ-
    June 7, 2016 at 9:59 pm

    Hi Paul. I am looking at this. What do you think the quality and value. Thanks

    https://www.jamesallen.com/loose-diamonds/round-cut/1.03-carat-i-color-vs1-clarity-excellent-cut-sku-991898

  24. Paul Gian-
    June 8, 2016 at 2:25 am

    It’s a decent diamond in terms of cut. However, it’s not a diamond I would buy because:

    1) Crown angles are too high. There are much better diamonds available.
    2) It’s an IGI diamond. Stick with GIA or AGS instead.

  25. AW-
    June 30, 2016 at 12:53 pm

    Hi Paul,

    Great website so many thanks for your time and effort in making a site where normal consumers can get a better understanding of the diamond industry.

    With the ASET picture from AGS how important is the symmetry? I am looking at the following stone.

    http://www.whiteflash.com/loose-diamonds/certificate.aspx?idno=3580108&file_name=1

    While it has an ideal cut and symmetry from AGS report the ASET seems off. Should I be concerned with the report or would it be good to have WhiteFlash inspect the stone.

    Thanks

  26. Paul Gian-
    June 30, 2016 at 3:23 pm

    The diamond is from the virtual inventory and White Flash doesn’t own it. From the report, it is clear that it doesn’t have good optical symmetry.

    http://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-3580108.htm

    If you are looking for the best of the best in terms of sparkle, go to: http://beyond4cs.com/go/wf-loosediamonds/ and do a search by selection the checkbox “In-House”.

  27. Paul Gian-
    July 14, 2016 at 12:39 am

    The oval is the nicer choice over the round.

  28. Chris-
    July 18, 2016 at 12:27 am

    Hey Paul,

    Thanks for giving us laypeople advice on these things.

    Would you consider the 3 diamonds below to be of quality and if so, which 1 would you choose and why?

    http://www.since1910.com/diamond/0-91ct/d-if/pear/shape/diamond/-r-68276-69248418

    http://www.since1910.com/diamond/0-91ct/d-if/pear/shape/diamond/-r-61666-71946877

    http://www.since1910.com/diamond/0-90ct/d-if/pear/shape/diamond/-r-68276-69054594

    Thanks

  29. Paul Gian-
    July 18, 2016 at 2:51 pm
  30. Chris-
    July 18, 2016 at 3:30 pm

    Thanks.

    I had already read those and selected those 3. Why do you suggest passing on them?

    Are the aset’s poor?

  31. Paul Gian-
    July 19, 2016 at 2:26 am

    Apparently, you haven’t read the articles. There’s 0 information in those listings except for a grading report.

  32. Paul Gian-
    July 19, 2016 at 3:51 am

    Sorry! My bad. I used another browser to access the links and I do see them now. I’m not sure why I couldn’t see any in Chrome. Anyway, the G VVS1 diamond is the better choice among the 3. That’s the one I would pick solely based on cut quality alone.

  33. Chris-
    July 20, 2016 at 3:36 am

    Thanks.

    Yeah I like that one too but am a little worried about the amount of light leakage there seems to be in the aset and idealscope.

    http://www.pkstone.co.in/PK/bwcopy/143505101IDL.jpg

    http://www.pkstone.co.in/PK/bwcopy/143505101AST.jpg

    Does that concern you at all and would you rate this diamond average, above average or excellent?

  34. Paul Gian-
    July 20, 2016 at 5:02 am

    It’s pretty normal for pears to exhibit light leakage. It’s inherent of the cutting style. I would say that the diamond would be above average.

  35. Kate-
    July 23, 2016 at 9:10 pm

    Hi Paul,

    I’m thinking of getting this stone but ASET and IdealScope images aren’t available, what do you think? I’m looking for a stone with great light performance and at least 7x5mm

    https://www.jamesallen.com/loose-diamonds/emerald-cut/1.04-carat-f-color-if-clarity-sku-1136251

    Thanks

  36. Paul Gian-
    July 24, 2016 at 12:16 pm

    It’s a well cut diamond. The patterning on that emerald cut is fantastic!

  37. Faisal-
    July 25, 2016 at 6:53 am

    Hi Paul,

    I am considering this stone. Kindly let me have your opinion.

    GIA Lab:

    Measurements 6.89 – 6.92 x 4.22 mm
    Carat Weight 1.23 carat
    Color Grade H
    Clarity Grade VVS1
    Cut Grade Excellent
    Polish Excellent
    Symmetry Excellent

    PROPORTIONS:

    Depth 61.1 %
    Table 60 %
    Crown Angle 34°
    Crown Height 13.5%
    Pavilion Angle 41.4°
    Pavilion Depth 44%
    Star Length 50%
    Lower Half 80%
    Girdle Med – slthk, Faceted, 4.0%
    Culet None

    Price: $9600

  38. Paul Gian-
    July 25, 2016 at 6:56 am

    Horrible proportions. Diamond’s pavilion angle is way to deep for it to have the best sparkle possible.

  39. James-
    August 1, 2016 at 4:57 pm

    Hi Paul,

    Do you know where I can buy an ideal scope or preferably an ASET? I’ve been looking on the internet but could not encounter.

    Thanks,

  40. Paul Gian-
    August 2, 2016 at 6:01 am
  41. Chris-
    August 17, 2016 at 4:16 pm

    Hi Paul!
    This site is excellent, thank you very much!
    I’d love to have your view on this oval 1ct stone:
    https://enchanteddiamonds.com/diamonds/image/medium/O100-586038090_AST.jpg
    https://enchanteddiamonds.com/diamonds/image/medium/O100-586038090_IDL.jpg
    Thanks a lot in advance!
    Chris

  42. Paul Gian-
    August 18, 2016 at 5:27 am

    It’s a pretty decent stone! This is another worth considering as well: http://beyond4cs.com/go/enchanted-O109-067821507/

  43. Chris-
    August 18, 2016 at 7:18 am

    Hi Paul,
    thanks a million for your opinion! you mean “pretty decent” as in 8 out of 10?

  44. Paul Gian-
    August 19, 2016 at 1:47 am

    Yep.

  45. Chris-
    August 24, 2016 at 2:48 pm

    Hi Paul,

    me again… the diamond I wanted was sold 🙁
    how about these ones (in comparison to the 8/10 one from before)?

    1. https://enchanteddiamonds.com/diamonds/view/O100-240741590
    ASET: https://enchanteddiamonds.com/diamonds/image/medium/O100-240741590_AST.jpg
    2. https://enchanteddiamonds.com/diamonds/view/O101-8739Z9848
    ASET: https://enchanteddiamonds.com/diamonds/image/medium/O101-8739Z9848_AST.jpg

    Btw: are there any other sites where ASET images are provided?

    Thanks again!!!

  46. Paul Gian-
    August 25, 2016 at 1:19 am

    James Allen does provide some on non-international diamonds but Enchanted Diamonds is one of better vendors with a good track record of holding well cut fancies. This would be the better diamond and is a well cut one as well: http://beyond4cs.com/go/enchanted-O100-240741590/

  47. Christian-
    August 31, 2016 at 5:56 pm

    Dear Paul,

    I know I’m bombarding you with requests these days… sorry and thanks! (but it’s your fault 😉 because your brilliant website made me so curious and perfectionist about diamonds that I can’t stop and chose the final one).
    Would you also mind giving me your view about these two:

    1. https://enchanteddiamonds.com/diamonds/view/O100-319503126
    ASET: https://enchanteddiamonds.com/diamonds/image/medium/O100-319503126_AST.jpg

    2. https://enchanteddiamonds.com/diamonds/view/O108-383938738
    ASET: https://enchanteddiamonds.com/diamonds/image/medium/O108-383938738_AST.jpg

    3. https://enchanteddiamonds.com/diamonds/view/O103-030348605
    ASET: https://enchanteddiamonds.com/diamonds/image/medium/O103-030348605.jpg
    (this one is a bit weird…only VG symmetry and polish; slightly to very thick girdle… but the ASET looks very nice to me)

    Thanks very much!
    Christian

  48. Paul Gian-
    September 1, 2016 at 4:00 am

    The shape appeal on the third stone isn’t great. I would dump that.

    These would be 2 diamonds that I would recommend:
    http://beyond4cs.com/go/enchanted-O100-319503126/
    http://beyond4cs.com/go/enchanted-O108-383938738/

  49. Alan.-
    September 6, 2016 at 9:58 am

    Dear James,

    Thank-you SO much for your expertise and, above all, your passion. You have helped to steer me away from a purchase that I was previously set on (which turned out to be horrible in the end).

    Through your help, I have taken some of your pointers on board and have narrowed my choice of diamond down to this one from James Allen to the best of my ability.

    Thought process behind this selection:
    1. Looking for a round brilliant with a carat ~1.25-1.35, IF clarity (for symbolic purposes)
    2. Minimum triple excellent as per GIA; especially not taking anything less than ‘excellent’ for cut (as ‘cut is king’)
    3. Used HCA tool to rule out any diamonds with a score >2.0 (for reference this one is 1.6 with excellent scores for light return, fire, scintillation and very good score for spread)
    4. Ensured high definition, minimum 10x magnification videos to ensure that I am not picking blind
    5. With the video/images and an untrained eye, I compared for optimal contrast and symmetry

    https://www.jamesallen.com/loose-diamonds/round-cut/1.26-carat-e-color-if-clarity-excellent-cut-sku-1806204

    I asked for Idealscope/ASET scope images but the sales rep (similar to many above) said that they were unavailable until AFTER a monetary transaction. Is this an acceptable proposal? Would this be a good/great diamond to take the leap of faith for?

    Please let me know as I currently have the diamond on hold :).

    Thank-you so much again for all your help, I really appreciate your time and efforts.

    Regards,
    Alan.

  50. Alan-
    September 6, 2016 at 10:00 am

    Haha I just realised that I typed in James after reading one of your previous commenter’s posts. I, of course, meant Paul.

    Sincere apologies for any affront, and thank-you again for your time :)!

  51. Alan Nguyen-
    September 6, 2016 at 11:21 am

    Dear Paul,

    I hope this post finds you well! I was hoping to get some advice re: this stone that I have narrowed down for selection following a really in-depth look at your wonderfully educational and passionate site.

    Unfortunately, I was unable to get Idealscope or ASET images to get even more reassurance, thus I am turning to you. Is this a good diamond worthwhile of a purchase?

    https://www.jamesallen.com/loose-diamonds/round-cut/1.26-carat-e-color-if-clarity-excellent-cut-sku-1806204

    Thanks for your time!

    Alan.

  52. Paul Gian-
    September 6, 2016 at 1:53 pm

    The stone you picked is quite decent.

    I did a search for you and would recommend these diamonds instead for their better cut quality and light performance:
    http://beyond4cs.com/go/ja-940757/
    http://beyond4cs.com/go/ja-1003601/

  53. Alan-
    September 6, 2016 at 3:18 pm

    Dear Paul,

    You are amazing; thank-you so much for giving me your time and consideration.

    I am really getting to appreciate the quality of the cuts you have set out in the two diamonds above. The scope images really seem to affirm this and they look gorgeous (I’m quite partial to the second of the two you listed). Unfortunately I am unable to see the scope images of the original diamond (sku-1806204). Is your assessment of it’s light performance under fluorescent lighting based on experience?

    To be honest, I’m in a situation where I would prefer to go with something that was a straight up IF clarity. Given that is (unfortunately by your standards I know, sorry!) one of the criterion, is there any other diamond that you would recommend in a similar carat category (1.2-1.4)?

    Also, am I being completely unreasonable? I note that for the second diamond (sku-1003601); the cut is better (resulting in better light performance), the carat is larger and the colour is a better grade all for being very slightly cheaper. From your site advice, clarity should be the least important of the 4Cs and is held in higher regard by rookies (of which I am definitely one). Am I being crazy NOT to choose this other diamond?

    My main issue is that if my future wife were to (very) closely examine the second diamond you recommended without the aid of a 10x loupe, would she note these slight inclusions and clouds at all?

    Thanks again for your time Paul :)! I really appreciate it as I want to be absolutely confident in my purchase before going ahead.

    Stay well!

  54. Paul Gian-
    September 7, 2016 at 12:52 am

    The cut precision and performance on the IF diamond isn’t as good as those 2 I recommended. You can see this in the slightly messy black reflections and scintillation under the table. I can assure you that both these diamonds are 100% eyeclean.

    http://beyond4cs.com/clarity/resize-technique/

  55. Aj H-
    September 28, 2016 at 4:11 pm

    Paul , what is your opinion on strong yellow fluroscence in a diamond ?

  56. Paul Gian-
    September 29, 2016 at 2:43 am

    It’s great for a fancy color yellow diamond and undesirable in “white” diamonds.

  57. Christian-
    October 2, 2016 at 9:42 pm

    Dear Paul,

    I’m thinking of getting either stone but ASET images aren’t available, which one do you think is better – more sparkle?

    http://www.zoara.com/diamonds/p_emerald_very_good_cut_f_vs2?s_text=d6919314#p=6919314

    http://www.zoara.com/diamonds/p_emerald_very_good_cut_f_vs1#p=6891253

    Thank you

  58. Paul Gian-
    October 3, 2016 at 4:16 am

    This would be the better cut diamond.

  59. October 3, 2016 at 3:26 pm

    Hi Paul

    Hoping you can help me in analyising the cut of this cushion diamond. I’m wondering if it has too much leakage to be a reasonable buy?
    Lyn

  60. Paul Gian-
    October 3, 2016 at 4:58 pm

    This diamond displays a “crushed ice” kind of scintillation pattern which I am personally not a fan of. For a crushed ice kind of diamond, it’s a pretty decent stone but I think you can do better.

  61. Scott-
    October 4, 2016 at 4:20 am

    Hey Paul,

    FIrst off thanks for running such a great site! My question is one regarding ovals and corresponding Asets.

    Can I tell if either of these two diamonds will have pronounced bowties simply from their Asets. And also which diamond would you prefer?

    https://enchanteddiamonds.com/diamonds/search?carat_max=1.05&carat_min=0.9&shape=Oval#diamond=O100-146Z49828

    https://enchanteddiamonds.com/diamonds/search?carat_max=1.05&carat_min=0.9&shape=Oval#diamond=O100-595427Z0Z

    Thanks for your input,
    Scott

  62. Paul Gian-
    October 4, 2016 at 8:25 am

    Static ASET images may be insufficient to detect bowties. You will need to use videos for a better gauge. Based on the listings, I would say that both diamonds display minimal bow ties. Both are well cut and I do prefer this particular diamond: http://beyond4cs.com/go/enchanted-O105-159059Z25/ because of its scintillation pattern.

  63. Scott-
    October 5, 2016 at 1:17 am

    Thanks for your feedback Paul. I’ve been looking at other websites that have the same diamonds as Enchanted. The cheapest by far is CathyPaul, a jewellery site based in Hong Kong. They seem to offer 15 percent less than most. What are your thoughts on their business. Is it reputable, do you know anyone that has used their service?

  64. Paul Gian-
    October 5, 2016 at 2:51 am

    Show me the same exact diamonds (URLs) you are using as a comparison.

  65. Scott-
    October 6, 2016 at 12:46 am

    Sure

    It’s the one that’s 5160 US

  66. Paul Gian-
    October 6, 2016 at 1:24 am

    Link isn’t working.

    Paste the direct URL link to the diamond you are looking at and the direct url link from Enchanted Diamonds of the same exact stone. (e.g. http://beyond4cs.com/go/enchanted-R212-186781837/)

  67. Scott-
    October 6, 2016 at 3:48 am

    Here is the link for the diamond you recommended here:

    https://enchanteddiamonds.com/diamonds/search?carat_max=1.05&carat_min=0.9&shape=Oval#diamond=O105-159059Z25

    And here is the same diamond offered on the Hong Kong website:

    https://www.diammarket.com/en/diamond/1105215-664630%201.05-ct%20Oval%20F%20VS2%20GIA%20Diamond

    Hope that works

  68. Paul Gian-
    October 6, 2016 at 7:57 am

    Yep. I see it now. The listing does seem to indicate the same diamond. However, I have no prior experience with them nor have heard of them. If you trust the seller and end up working with them, do let me know how things go. You might also want to check in with Enchanted Diamonds to see if they will do a price match.

  69. Scott-
    October 8, 2016 at 6:01 am

    So I checked with Enchanted Diamond out of curiosity and they firmly would not price match with that website. They claimed because they were out of country and didnt offer a guarantee return policy or free delivery they wouldnt match. It is a big risk to deal with an unknown. Next time Im in Hong Kong I’m gonna check them out. They seem to have the best prices online. Also Enchanted thought the diamond you recommended was quite poor by the sole fact it did not have strong red reflection in the middle. They seemed bias towards Diamonds that are put up by middle men.

  70. Paul Gian-
    October 8, 2016 at 2:50 pm

    As far as I know, I didn’t make any recommendations for you. All I did was to compare the 2 links you gave me. Anyway, I know what happened when I reviewed the links. That’s where I made a mistake. Sorry! The url was copied wrongly because the pop up closed and the wrong click of the mouse copied the wrong url.

    THIS SHOULD BE THE CORRECT DIAMOND I PREFERRED: http://beyond4cs.com/go/enchanted-O100-595427Z0Z/

    Do update me should you decide to work with the HK vendor. I personally would not buy a diamond with no form of money back guarantee.

  71. Danessa D.-
    October 27, 2016 at 7:10 pm

    I found such a beautiful diamond on enchanted diamonds but I am nervous to purchase. How reliable are the ASET and ideal scope imagines in picking a brilliant round diamond?

  72. Paul Gian-
    October 28, 2016 at 12:22 am

    When used together, they basically provide the information you will need to know about the diamond’s light performance. Do you have a link to the diamond?

  73. Torrin-
    October 31, 2016 at 6:12 pm

    Hi Paul –

    I’ve been debating on this diamond for a few days. Thoughts?

    https://www.jamesallen.com/loose-diamonds/cushion-cut/0.96-carat-h-color-vs1-clarity-sku-2150168

  74. Paul Gian-
    November 1, 2016 at 2:37 am
  75. mike-
    November 4, 2016 at 6:03 pm

    Would you please explain the different images in the above ASET comparisons? I’m not sure what I’m looking at. For example, there are 3-4 images per heading (Ave., Above Ave., Ex.) under a given cut shape. Are these 3-4 images the same stone (different angles) or different stones?

    Thanks

  76. Paul Gian-
    November 5, 2016 at 3:01 am

    They are ASET images of different stones. I compiled them in this manner because in reality, no 2 ASET images will look exactly the same. For laymen, you can compare the ASET images of the diamonds you are considering to get an idea of which band it falls into.

  77. trish-
    November 11, 2016 at 2:56 am
  78. Paul Gian-
    November 12, 2016 at 6:20 am

    This is the better stone: http://beyond4cs.com/go/ja-22090/

  79. Juan-
    December 2, 2016 at 3:19 pm

    Hi Paul,

    Can you give me your opinion on this oval diamond? I have included the imagery (ASET) and Ideal Scope. I am having a lot of trouble interpreting these images for the diamond since it’s a “fancy” shape.

    Shape – Oval Brilliant 8-Main A
    Carat weight – 2.30ct
    Color – D
    Clarity – VS2
    Dimensions – 10.87 x 7.43 x 4.37
    L/W Ratio – 1.46
    Fluorescence – None
    Polish & Symmetry – VG
    Proportions – VG
    Table Diameter – 56%
    Crown Height| – 4.5%
    Pavilion Depth – 41%
    Total Depth – 58.9%
    Girdle Thickness – Thin to slightly thick
    Culet size – pointed
    Certificate – IGI

  80. Paul Gian-
    December 2, 2016 at 4:43 pm

    The diamond isn’t well cut and the ASET shows significant light leakage. The IGI report itself is a huge red flag.

  81. Juan-
    December 2, 2016 at 5:13 pm

    Hi Paul! Thank you for the quick response. For the IGI being a red flag, I have read that GIA is the “gold standard” and IGI tends to over inflate its ratings, hence why people do not trust it. Is that why you say it’s a red flag?

    Also, why do you say it is not well cut? I have read your articles so I want to learn how to recognize a well cut OVAL diamond. Lastly, do you have any examples of good ASET/Idealscope images of ovals? I looked at your reference but can’t really tell the difference between the mediocre and ideal in your post and you didn’t explain what makes one better (again for ovals).

    Thank you and I appreciate all the input!

  82. Paul Gian-
    December 3, 2016 at 5:45 am

    Yes. That’s why IGI is a red flag. As for the ASET charts, this is the reference: http://beyond4cs.com/2014/12/aset-reference-charts/

    Basically, you need to take note of the amount of white that occurs in large splotches and how the green/red intermingle with each other. A video of the diamond would be easier to assess cut quality but this diamond already violates quite a number of issues. There’s really no point in further investigation into the stone. Dump it and choose another from GIA.

  83. Tony-
    January 20, 2017 at 5:16 am

    Hi Paul,
    Firstly, thank you for a very informative site which helps demystify a lot of the rubbish that goes on with the retail industry. Can you please let me know your thoughts on this diamond:

    http://beyond4cs.com/go/ja-2100128/

    regards
    Tony

  84. Paul Gian-
    January 20, 2017 at 9:20 am

    The stone you picked out is a well cut diamond. Good work!

  85. Brian Kolasa-
    January 23, 2017 at 5:45 pm

    Paul,

    I’ve read all of your articles. You’re the man! Thanks for all of the great info.

    I’m about to pull the trigger on this diamond from James Allen. Based on the video, GIA, and the ASET image they provided, I feel like it’ll be a true sparkler.

    At first glance, could you provide your thoughts on the stone?

    http://beyond4cs.com/go/ja-2387182/

    Thank you so much.

  86. Paul Gian-
    January 24, 2017 at 2:56 pm

    Hey Brian, the oval stone you shortlisted has great optical properties (light performance). In terms of shape appeal, I would personally prefer a diamond with a more stubby appearance (i.e. l/w ratio around the 1.3 range). Anyway, that’s up to individual tastes and overall, it’s a good pick.

  87. Heather-
    January 25, 2017 at 11:27 pm

    Hi Paul, would you be able to tell me your thoughts on this oval cut diamond? My main priority is making sure to minimize the bow tie effect that is common with ovals.

    http://beyond4cs.com/go/ja-1855726/

  88. Paul Gian-
    January 26, 2017 at 5:49 am

    This is a much better diamond option in terms of cut quality: http://beyond4cs.com/go/ja-2034394/

  89. Heather-
    February 3, 2017 at 10:48 pm

    Hi Paul, thanks for your suggestion but I prefer a L/W ratio in the range of 1.40-1.45.

    What do you think about this diamond instead?

    http://beyond4cs.com/go/ja-2350595/

  90. Paul Gian-
    February 4, 2017 at 12:10 pm

    It’s a very well cut diamond with great optical performance.

  91. Mike-
    February 9, 2017 at 1:39 am

    Hi Paul,

    Looking at some oval cut diamonds and would like your opinion on which is the highest quality and the one you would recommend going with:

    https://enchanteddiamonds.com/v/536217582

    http://beyond4cs.com/go/ja-1020685/

    http://beyond4cs.com/go/ja-2350547/

    http://beyond4cs.com/go/ja-2458760/

    Thanks!

  92. mike-
    February 9, 2017 at 1:40 am

    Oops, I apologize for the double post, for some reason it wasn’t showing up when I refreshed and I was having internet connection issues.

  93. Paul Gian-
    February 13, 2017 at 8:09 am

    Mike, this would be the better stones out of those you shortlisted: http://beyond4cs.com/go/ja-2458760/

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