July 3

Ritani Cushion Cut Diamond Reviews: Which facet pattern sparkles more?


Ritani Cushion Cut Review of Popular Facet Patterns and Performance:

“Can you help me pick the best Ritani Cushion cut diamond engagement ring? As a matter of fact, is my second attempt to buy an engagement ring. The first time around, I bought a 1-carat, H color, SI1 clarity, round ideal-cut diamond. It was so incredibly brilliant and I prefer AGS Ideal-cut diamonds for that reason."

“However, my girlfriend would prefer a carat cushion cut diamond. Therefore, I’m looking for a 1 ct diamonds cushion with the best sparkle for around 7K. It seems like Ritani and Brilliant Earth both have a good selection of loose diamonds. However, I feel more confident buying from Ritani after reading your Brilliant Earth diamond review. I appreciate any thoughts and advice you can provide on selecting a cushion cut.” — E. Morse.

Which Ritani Cushion Cut Diamond Should You Buy?

In the first place, there are many different styles of cushion-cut to choose from. That might be why the cushion is such a popular diamond shape. At the same time, trying to choose between all those different facet patterns can be overwhelming.

Popular Types of Cushion:

  • Antique cushion.
  • Cushion brilliant.
  • Cushion modified brilliant.
  • Chunky Cushion.
  • Crushed Ice Cushion.

On top of that, there are some cushion-cut diamonds that feature an extra row of facets. While that might seem like it's going to add more sparkle, it might actually make the diamond less appealing.

Obviously, the look of the diamond changes dramatically with each of the different configurations. As a result, it can be difficult to know which cushion-shape diamond to buy. Be that as it may, we're going to show you exactly what to look for in a cushion brilliant.

Popular Faceting Patterns for Cushions:

In my experience, Ritani offers cushion cut diamonds with three basic faceting patterns. Consequently, it looks like they all share the same crown facet pattern. However, the pavilion sections feature three different facet patterns.

Ritani Cushion Cut Diamond Facet Patterns

In that case, the three different facet structures will split the light up into different sizes. In other words, these diamonds will reflect light in completely different ways. Obviously, that also means that some Ritani cushion cut diamonds will perform better than others. But, at the end of the day, it all comes down to personal preference.

Although this may be true, this tutorial will help you decide which style of cushion cut diamond you prefer. In the first place, the size of the sparkle is going to affect the balance of brilliance and dispersion.

That’s because our eyes have difficulty dispersing smaller flashes of light into sparkling colors. In which case, smaller size sparkle will make a cushion cut diamond appear to be more brilliant. However, the increase in brilliance comes at the expense dispersion or fire. With that in mind, I look for a balance of brilliance and dispersion when shopping for loose diamonds.

Ritani Cushion Cut Diamond Review: GIA 6147802286

Ritani Diamond Reviews GIA Excellent Cushion

Let’s begin with this 1.30 carat, H-color, VVS-2 clarity, cushion modified brilliant-cut diamond from Ritani. As a matter of fact, it’s going to look more like a traditional cushion cut diamond. That’s because the larger facets will create sparkles that are larger in size.

Under those circumstances, it’s less likely to have the crushed ice look. In other words, the larger facets on the pavilion are going to create bigger flashes of light.

Consequently, that will produce more virtual facets that are larger in size. Those are the internal reflections of light that are similar to the kaleidoscope effect.

In that case, this diamond should exhibit sparkle that is bolder and brighter. Although this may be true, there is still a lot that we don’t know about this Ritani Cushion cut diamond.

After all, the GIA does not provide the crown or pavilion measurements for fancy shape diamonds. Under those circumstances, we can’t estimate the balance of brilliance and dispersion with any degree of accuracy. As a matter of fact, you’re essentially buying blind off the lab report.

Is GIA Better than AGS or Vice Versa?

As a matter of fact, there are differences between the GIA and AGS gemological laboratories. Not the least of which is how they round off and report the measurements on the lab reports. Under those circumstances, I prefer the AGS Laboratory because their diamond grading reports provide more details.

Brian Gavin Square Cushion Hearts and Arrows

In the first place, the GIA does not provide the crown or pavilion measurements for fancy shape diamonds. Under those circumstances, you have no way to determine the balance of brilliance and dispersion.

Whereas the AGSL does provide the crown and pavilion measurements on their diamond quality documents. In addition, you’ll have the insight that their proprietary Angular Spectrum Evaluation Tool (ASET) provides about Light Performance. To begin with, this will enable you to determine the extent of any light leakage. Secondly, it will help you to see how evenly light is reflecting throughout the body of the stone.

The Brian Gavin Signature Cushion diamond (above) looks absolutely amazing through an ASET Scope. In which case, we know that the light performance is off the charts. Under those circumstances, it will exhibit broad-spectrum sparkle that is more vivid and intense.

Where the GIA Falls Short for Fancy Shape Diamonds:

Whereas the GIA does not provide any of this information on their lab reports. Under those circumstances, you’ll basically be in the dark as far as knowing how your diamond performs. Although that may be true, it’s curious that the GIA doesn’t provide this information. After all, they do provide crown and pavilion measurements for round brilliant cut diamonds.

In which case, the GIA is withholding information that could help you make a better decision. Obviously, this raises the question of why doesn’t the GIA provide full details for fancy shape diamonds. Although this might make me sound like a conspiracy theorist, I’m going to take a wild guess.

3 Carat Rectangular Cushion Modified Brilliant

As a matter of fact, I think they do it because it makes their lab more appealing to the cutters. Because under those circumstances, they don’t have to worry about creating that perfect balance.

Be that as it may, there's not much we can do about it. With that in mind, let's focus on something more fun and interesting. For instance, how would you set this 3-carat cushion from Ritani? Do you prefer a traditional solitaire setting? Or, would you like something more elaborate like a halo or pavé style engagement ring? Be sure to comment below and let us know your personal preference.

Crown and Pavilion Measurements:

In the first place, the crown height of a diamond determines the balance of brilliance and dispersion. In other words, the crown height will dictate the balance of white and sparkling colors. Under those circumstances, I’m sure you can appreciate the importance of knowing the crown height measurement.

Black by Brian Gavin Cushion cut diamond

At the same time, the pavilion angle is going to dictate the volume of light return. As a matter of fact, seemingly slight differences in the pavilion angle can have dramatic effects on light performance. Under those circumstances, I wish that Ritani would provide that information.

After all, it’s virtually impossible to know how a diamond is going to look without knowing these basic measurements. With that in mind, it’s difficult to understand why the GIA doesn’t provide this information on their reports.

On the other hand, the AGS Laboratory does provide crown and pavilion measurements for fancy shape diamonds. Plus, the ASET map shown on the lab report to the left verifies the light performance.

In that case, I’m certain that this Black by Brian Gavin Cushion cut diamond exhibits a high volume of light return. At the same time, I can see how evenly light is reflecting throughout the diamond. Under those circumstances, it should be clear why I prefer the American Gem Society Laboratory.

The Best Shape for Cushion Cut Diamonds:

Another key point that you’re going to want to consider is the length to width ratio of cushion cut diamonds. In the first place, the length to width ratio is simply a way to visualize the outline or shape. As a matter of fact, it will help you determine whether a cushion shape diamond is more square or rectangular.

In other words, a cushion-cut diamond with a length to width ratio of 1.00:1.00 will be perfectly square.

Whereas a cushion cut diamond with a length to width ratio of 1.40:1.00 will be more rectangular.

In order to determine the length to width ratio, simply divide the length by the width. For example, the diamond above measures 6.40 x 5.79 x 4.12 millimeters. In which case, if you divide 6.40 by 5.79 you’ll get a length to width ratio of 1.10:1.00. Under those circumstances, you’ll see that this Ritani Cushion cut diamond is not quite perfectly square.

Ritani Cushion Cut Diamond Reviews: GIA 1146858219

Now, let’s look at this 1.36 carat, I-color, VVS-2 clarity, cushion modified brilliant cut diamond from Ritani. As you can see by the plotting diagram on the lab report, it also has the same facet structure. Under those circumstances, the sparkle should be larger in size and bolder in appearance.

Ritani Diamond Reviews, GIA 11468_58219

Unfortunately, the diamond comes with a diamond grading report from the GIA Gem Trade Laboratory. In that case, we’re not able to estimate the balance of brilliance and dispersion.

Be that as it may, we could guesstimate the crown height if we could see the diamond from a side profile. In that event, I usually prefer a crown height of approximately 15%. Generally speaking, that means that a crown height between 14 – 15.5% should be acceptable.

If the crown height is shallower then it’s likely to produce more brilliance and less dispersion. Whereas if it’s around 16% then it’s probably going to create more dispersion. At the same time, it will probably make the middle of the diamond look dark under certain lighting conditions. 

Ritani Cushion Cut Diamond Reviews: GIA 2155747707

In the first place, this 1.51 carat, I-color, VS-1 clarity, cushion cut diamond from Ritani has a different pavilion structure. Although this may be true, it should still produce sparkle that is larger in size. At the same time, the sparkle is likely to be bolder and brighter because of the large facets.

Ritani Cushion Diamond Reviews

Once again, the crown height measurement is an unknown characteristic. With that in mind, we have no way of really knowing how this diamond will look.

Although that may be true, I’m fairly confident that it’s going to leak a lot of light. After all, that’s kind of a given with standard cushion shape diamonds of this quality.

As a matter of fact, most fancy shape diamonds leak more light than you might imagine. That’s because most cutters don’t optimize them for performance in the same way as rounds. Actually, that is kind of an erroneous statement since most round ideal diamonds leak light like a sieve.

However, that’s because they should have tighter proportions and exhibit a higher degree of optical precision. In other words, the light performance that a diamond exhibits is within the control of the cutter. Although that may be true, our in-depth tutorial on cushion cut diamonds reveals how most of them fall short.

Ritani Cushion Cut Diamond Reviews: GIA 2166833902

In the first place, some people prefer cushion cut diamonds that exhibit a crushed ice look. In that case, then you might consider this 1.20 carat, G-color, VS-1 clarity, cushion cut diamond from Ritani.

Ritani Diamond Reviews Cushion Shape

As a matter of fact, the smaller facets are likely to produce sparkle that is smaller in size. That’s because the smaller facets break the light up into smaller and smaller pieces.

Of course, this also means that the diamond is likely to look more brilliant. In other words, it will probably exhibit more brilliance (white sparkle). However, it is also likely to display less dispersion (sparkling colors/fire).

Generally speaking, I don’t really like this look myself because I prefer sparkle that is bolder and brighter. That’s one of the reasons why I don’t like the Leo Diamond, Signet Star, or Solasfera round diamonds.

Consequently, I think that those diamonds sparkle like a disco ball and some people might like that effect. However, I prefer broad-spectrum sparkle that is larger in size and bolder in appearance. With that in mind, I’m more likely to buy a Brian Gavin Signature Cushion.

Ritani Cushion Diamond in Halo:

Ritani Double Halo Setting Diamond Cushions

As a matter of fact, halo settings are one of the most popular choices for setting cushion-shape diamonds. For that reason, you might choose a halo setting from Ritani for your cushion-cut diamond.

The ring on the left is the double halo setting by Ritani and it’s quite beautiful. As you can see, the smaller diamonds in the halo setting make the center stone look larger. That’s because the additional sparkle factor around the edge of the diamond increases the white space on the finger.

Under those circumstances, it’s likely that people will think that the center stone is larger from a distance. However, they will be able to see the ring details more clearly from up close. Of course, selecting a ring style is largely a matter of personal preference. In which case, you’ll have to decide what ring style and alloy combination you prefer. Be sure to check out our article the best settings for cushion-cut diamonds.

Do Cushion Cut Diamonds Sparkle?

On the condition that you’re looking for superior sparkle factor, then I would buy a Brian Gavin Signature Cushion. As a matter of fact, they rival the sparkle factor of his round super ideal cut diamonds. Whereas most standard GIA Excellent cut cushions fair to impress me.

Brian Gavin Signature Diamond with Halo Setting

Although that may be true, they say that beauty is in the eye of the beholder. Under those circumstances, you might prefer something else. However, the higher degree of optical precision available from Brian Gavin produces the most impressive sparkle.

In the first place, the facet structure is more uniform and symmetrical, so it will reflect light more evenly. At the same time, the proportions fall within a range that produces the best light performance. Naturally, Brian Gavin uses the AGS Laboratory, so the light performance is verifiable.

In addition, the lab report contains the crown and pavilion measurements. Under those circumstances, it’s easy to know that this diamond is going to look fantastic. That’s why I personally recommend Brian Gavin diamonds with such confidence.

Although that may be true, you’ll have to decide which level of light performance is right for you. But, this 1.36 carat, Brian Gavin Signature Cushion-cut diamond in the halo setting on the left is obviously gorgeous!

Square Cushion Cut Diamonds:

In the first place, I prefer Brian Gavin Signature Cushion cut diamonds because of the incredible sparkle factor. Secondly, I like the symmetrical facet structure and square shape. Although that may be true, the measurements might lead you to think they are rectangular. That’s because the measurements reflect a more modern approach to expressing the dimensions.

Brian Gavin Signature Cushion Square H&A

As a matter of fact, the GIA measures cushion cut diamonds from edge-to-edge. Whereas the AGS Laboratory measures Brian Gavin Signature Cushion-cut diamonds differently. In this case, the measurements go from edge-to-edge and tip-to-tip, as shown above. Although this is obviously different than how the GIA does things, it does provide interesting insight. That’s because you’ll know how the diamond will face-up from edge-to-edge and diagonally.

Brian Gavin Signature Cushion Review:

Under the circumstances, it makes sense to search for Brian Gavin Signature Cushion cut diamonds. After all, it’s the only cushion shape diamond that compares with an ideal round. Since you expect that level of light performance, I know that nothing else will do.

ASET for Black by Brian Gavin Cushion cut diamond

In that case, I like this 1.035 carat, G-color, VS-1 clarity, Black by Brian Gavin Cushion cut diamond. As a matter of fact, the diamonds in this collection represent the pinnacle of diamond cutting today.

In the first place, the faceting patterns are different than anything else you’ll find. That’s why it’s worthy of its own patent. Under those circumstances, you’re really not going to find anything else like it. As a matter of fact, I’ve yet to see an ASET Scope image that looks this good for any other cushion shape diamond.

In fact, the ASET Scope images for most round brilliant ideal cut diamonds don’t look this good. With that in mind, you owe it to yourself to check out Brian Gavin if you truly want the very best.


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  1. Todd,

    I just wanted to thank you for this post and let you know that my gut was telling me AGSL all along but you just made my decision that much easier. Brian Gavin it is! Cheers my friend!

    1. I’m glad that you found the post helpful, I definitely have a preference for diamonds graded by the American Gem Society Laboratory (AGSL) because of the additional insight provided by the ASET image. And I’m obviously a fan of the Brian Gavin Signature Cushion cut diamond, which is one of the most amazing square brilliant / cushion cut diamonds I’ve ever seen! Congratulations on your decision to buy from Brian Gavin, I can’t wait to see pictures of the completed ring ~ please forward me the glamour photograph that Brian Gavin will send you after the diamond is set! All the best…

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