vvs2 round cut diamond on holder

10X Microscopic View Of a VVS2 Diamond

Did you know that the process of choosing a diamond is more complex than most people think it is? With the plethora of misinformation out there, it is very easy for someone new to get overwhelmed.

In a way, I’m glad you ended up at Beyond4cs.com as this is the most comprehensive tutorial database you’ll ever find about buying engagement rings.

In this section of the website, you will learn how to select the best round diamond your budget allows and make rational choices based on tangible data.

Before we continue further, you need to have a basic understanding of “four C’s” of diamonds – cut, carat, clarity and color. If you haven’t read them yet, I recommend that you head over to the respective sections and return here once you are done.

Why Choose a Round Diamond And Not Any Other Shape?

The round diamond is the undisputed king of brilliant cuts. With 57 carefully placed facets, every round diamond that is polished from a rough crystal has the potential to becoming a jewelry masterpiece.

The ideal cut round brilliant was developed in the early 1900s by a Mathematician called Marcel Tolkowsky and it quickly became the most popular shape in the industry. Even in today’s market, the popularity of round diamonds hasn’t waned. In fact, more than 70% of the diamonds sold worldwide are round brilliant cuts, and for good reasons.

They are universal choices when it comes to jewelry design due to their versatility and shape appeal. More importantly, when a round diamond is cut to ideal proportions, it can achieve the greatest amount of brilliance and light dispersion properties compared to any other shapes.

Check out the video below to see how a diamond with the best possible cut quality performs in real life.



Did you know less than 1% of the round diamonds in the entire market is cut to exceptional quality? Here at Beyond4cs.com, we advocate that CUT is KING. Click here to learn more about diamonds that are cut with extreme precision and light performance

Did you know that the social perception of diamonds as symbols of love and objects of desire didn’t always existed? Well, we have De Beers to thank for this and the history can be traced way back to clever marketing campaigns created in 1947. In fact, you probably had heard about the most well-known advertising slogan of the 20th century: “A Diamond is Forever.”

In a recent poll performed on young and middle-aged females, it was found that most women across different cultures (sorry, ladies!) want a diamond ring from their partner during a proposal. If the person you are in love with belongs to this group of people, a beautiful white gold ring with a nice round diamond would be your best bet for finding success in a proposal.


Let’s Get Started With Your Diamond “Hunt”

make her face light up

On the next page, I’m going to reveal guidelines for the various types of proportions to look out for. With this set of proportions as your primary filter, it will help you drastically reduce the amount of initial diamond choices by weeding out all the poorly cut ones.

If you want to skip the hassle and avoid the unnecessary stress of buying a beautiful diamond, I highly recommend shopping at White Flash and Brian Gavin. Both vendors offer some of the most well cut diamonds you can find anywhere in the world.

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  1. Avatar
    March 9, 2016 at 6:33 pm

    Hi Paul,

    What do you think about this round? https://www.jamesallen.com/loose-diamonds/round-cut/1.10-carat-h-color-vvs2-clarity-excellent-cut-sku-887287
    I used your table and depth proportions but I am not sure about if the fluorescence and cutlet being pointed is desireable. To my untrained eye, I believe the “arrows” are satisfactory. Can you give me an opinion?

    Great site by the way!


  2. Avatar
    Paul Gian-
    March 23, 2016 at 1:00 pm

    The diamond is cut decently. However, it’s not a stone I would buy because of its IGI report.

  3. Avatar
    April 23, 2016 at 10:34 pm

    Hi Paul,

    What are your thoughts buying a diamond online and a setting at a retailer specifically Helzberg diamonds?
    How does the cleaning/maintenance and fitting work seems like it would create complications if anything happens to the ring?
    Should I still purchase the warranty on the setting?
    Any feedback would be highly appreciated.

  4. Avatar
    Paul Gian-
    April 24, 2016 at 2:40 am
  5. Avatar
    May 23, 2016 at 7:15 pm

    Thank you for the great information on your website. Both from content and organization perspectives, I couldn’t ask for anymore. I think at this point I might have gone through at least 75% of the material and that took a while to digest! I am writing to get your opinion on the following diamond from Brilliant Earth (GIA report within the product description).

    I would greatly appreciate your opinion on it before making such a big (and expensive) purchase. I tried to follow the guidelines you recommended across the various parameters. Here is a quick snapshot of the diamond specs:

    -Cut: Round Brilliant (Super Ideal Cut)
    -Clarity: VS2
    -Color: I
    -Carats: 1.7
    -HCA score: 2.0 (Very Good)
    -Girdle: Slightly Thick – Slightly Thick

    Key Questions:
    -Are there any potential concerns you would have with this stone?
    -Are there better trade-offs I can make across these parameters to get an optimal stone for under $15K?
    -Is the girdle for it an issue?

    Additional note: I went with your suggestion against the 3 stone setting ring and went with a simple design, with the aim of getting a vintage look:


    Any comments on this would also be much appreciated.

    Thank you.

  6. Avatar
    Paul Gian-
    May 24, 2016 at 12:51 am

    Proportions wise, the steep pavilion angle is cause for rejection of this stone. You might want to search for more options using the guidelines here: https://beyond4cs.com/shapes/round/ideal-proportions/

  7. Avatar
    May 25, 2016 at 2:53 pm

    Thank you for the feedback!

    I reviewed your ideal proportions for round diamonds and have picked another option:

    Could you please let me know your thoughts (one last time) on the following stone?


    Cut: Super Ideal
    Color: H
    Clarity: VS2
    Measurements: 7.49 x 7.44 x 4.68
    Table: 56.0%
    Depth: 62.7%
    Crown angle: 35%
    Pavilion angle: 41%
    Symmetry: Excellent
    Polish: Excellent
    Girdle: Medium – Slightly Thick
    Fluorescence: None

  8. Avatar
    Paul Gian-
    May 25, 2016 at 4:19 pm

    Numbers are only a pre-requisite to a well performing stone. The photographic image doesn’t suggest a top of the line stone. More importantly, I’m concerned about the dark inclusion smack in the middle of the table.

  9. Avatar
    May 25, 2016 at 10:50 pm

    Understand and thank you for the valuable information.

    I have reevaluated my options and have come to 2 hopefully final stones. Based on the illustrations on the GIA reports, there doesn’t seem to be clarity issues but awaiting the photos that I requested.

    Any concerns and/or preference you may have between these 2 stones would greatly appreciated:

    Option 1:

    Option 2:

  10. Avatar
    Paul Gian-
    May 26, 2016 at 2:50 am

    Proportions wise, both diamonds are pretty much on par and look good. Photographs would be more important to discern cut quality between the 2.

  11. Avatar
    May 26, 2016 at 7:00 pm

    For Option 1, I was able to get an image (link below). Does this look good to you for a stone valued at ~$15K? If so, I am prepared to move forward with this.


  12. Avatar
    May 26, 2016 at 9:24 pm

    With respect to option 2, please find below the link to the magnified and ASET images.



  13. Avatar
    May 28, 2016 at 2:21 am

    Thank you for the feedback. Much appreciated.

    Is there a similar stone from brilliant earth that you would recommend? I was hoping to pair a stone with a vintage setting that I found on brilliant earth. Thanks!

  14. Avatar
    Nick Brozean-
    July 12, 2016 at 9:26 pm

    Hey Paul I read a lot on your web site and see a lot of great info. I wanted to see what you think of this diamond, it is a tough process.



  15. Avatar
    July 13, 2016 at 12:14 am


    I am curious what you think of this diamond, thought I posted the question already, but could not find it on the site. Love the info on the site. Thanks!

  16. Avatar
    Paul Gian-
    July 13, 2016 at 1:59 am

    It’s a well cut diamond that offers good value for money.

  17. Avatar
    October 22, 2016 at 6:42 pm

    Hi Paul,

    Thanks for the wealth of information you have provided on your site. Can you let me know your thoughts on this diamond?


  18. Avatar
    Paul Gian-
    October 24, 2016 at 1:19 am

    This diamond is well cut for light performance and is eyeclean. Good job in picking this stone out!

  19. Avatar
    November 2, 2016 at 1:08 am

    Hi Paul

    Based on your specifications for a round brilliant, I’ve picked this diamond out from James Allen – what do you think?


  20. Avatar
    Paul Gian-
    November 2, 2016 at 9:08 am
  21. Avatar
    November 4, 2016 at 2:52 am

    Thanks Paul – love your site!

  22. Avatar
    April 18, 2017 at 2:49 pm

    Hi Paul,

    What is your opinion on this diamond…


    The cert does not have a cut grade on it why is that?

  23. Avatar
    Paul Gian-
    April 20, 2017 at 6:13 am

    It’s a terribly cut diamond and the stone’s owner didn’t send it to AGS to get a full cut grading on the stone because it will make it look bad. Dump the stone. I would recommend this stone in its place instead if you want the best sparkle and optical performance: https://www.jamesallen.com/loose-diamonds/round-cut/1.52-carat-i-color-vs2-clarity-ideal-cut-sku-1783910

  24. Avatar
    May 4, 2017 at 7:35 pm

    Hi Paul,

    Thanks for all the efforts you put into providing your expertise and guidance. Would love to have your opinion on these options or if you have other recommendations?



  25. Avatar
    Paul Gian-
    May 5, 2017 at 3:02 am

    Hey Ryan, both are diamonds cut with great precision and light performance. Obviously, the difference between them is sizing and pricing. That’s largely a matter of individual preferences. Both are winners. If you can afford the budget, go for the 1 carat stone because its a psychological thingy.

  26. Avatar
    March 18, 2018 at 9:59 am

    Hi Paul,
    Thank you so much for all of the care you put into providing such detailed information. Reading and re-reading it has helped me narrow down my search. I would be very grateful for your opinion regarding my situation and setting I have chosen:

    1. Fiancée has brown skin and likes 18-carat gold, so from your info. I am thinking I can save money by compromising on color, maybe down to J or even K?
    2. She is also from a culture (Colombia) where many people’s engagement rings do not have any diamonds, so a smaller carat will be just fine, I am thinking down to about 0.32, especially since the setting has side stones.
    3. In the link I pasted for the setting, included in it is an example of a diamond I wonder would be a good choice. It is James Allen hearts and arrows, and I checked to make sure the angles fall within your recommendations.
    4. One thing I wonder about are the inclusions. They look obvious on the magnification, but at 0.33 carats, are they even an issue at all?
    5. Is there anything that occurs to you regarding any of this? I hope to keep the complete ring at about $2,000, a little less would be nice.

    Thank you for your time, you are the best!

  27. Avatar
    Paul Gian-
    March 18, 2018 at 3:52 pm

    Could you paste the direct url links to the diamonds and setting here? The url you left above leads to a shopping cart which is customized to your account. Nobody except yourself can see the contents in it.

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