Nice Ice® Diamonds Presents The Big Rocks Show:

Best Performance
Black by Brian Gavin Diamond.

5.466 carats, G, VS-1

Overall Rating: 5/5

This Black by Brian Gavin Diamond represents the Pinnacle of Diamond Cutting today. This is the Ultimate in Light Performance and Sparkle Factor.

James Allen True Hearts Diamond.

3.30 carats, H, VVS-2

Overall Rating: 4/5

This James Allen True Hearts diamond will exhibit a high volume of light return and a virtual balance of brilliance and dispersion.

Astor by Blue Nile Diamond.

10.96 carats, H, VVS-2

Overall Rating: 3.5/5

This Astor by Blue Nile diamond should exhibit a high volume of light return and a virtual balance of brilliance and dispersion.

The diamonds above will light up your life like stars falling from the heavens. They have been hand-selected by Todd Gray who has 35+ experience in the niche of light performance. The primary difference is the degree of optical precision. That is the consistency of facet shape, size, and alignment. In that case, the sparkle factor will be more intense in the order of presentation from left to right.

The Best Performing 0.70 - 0.99 Carat Diamonds from Our Trusted Partners:

Best Performance
Black by Brian Gavin Diamond.

0.926 carat, K, VS-2

Overall Rating: 5/5

This Black by Brian Gavin Diamond represents the Pinnacle of Diamond Cutting today. The Ultimate in Sparkle and Light Performance.

Victor Canera Hearts and Arrows diamond.

0.725 carat, I, VS-2 

Overall Rating: 4/5

This Victor Canera H&A diamond is "Cut To The Nines" and will exhibit a high volume of light return and a broad-spectrum sparkle.

James Allen GIA Excellent Cut Diamond.

0.79 carat, I, VS-1

Overall Rating: 3/5

This GIA Excellent cut diamond from James Allen should exhibit a high volume of light return and a virtual balance of brilliance and dispersion.

The diamonds above will light up your life like stars falling from the heavens. They have been hand-selected by Todd Gray who has 35+ experience in the niche of light performance. The primary difference is the degree of optical precision. That is the consistency of facet shape, size, and alignment. In that case, the sparkle factor will be more intense in the order of presentation from left to right.

The Best Performing +1 Carat Diamonds from Our Trusted Partners:

Recommended
Black by Brian Gavin Diamond.

1.053 carat, G, VS-1

Overall Rating: 5/5

This Black by Brian Gavin Diamond represents the Pinnacle of Diamond Cutting today. The Ultimate in Light Performance and Sparkle Factor.

James Allen True Hearts Diamond

1.02 carat, D, VS-2

Overall Rating: 4/5

This James Allen True Hearts diamond exhibits a high volume of light return and a virtual balance of brilliance and dispersion.

Astor by Blue Nile Diamond Reviews.

1.06 carat, H, VS-2

Overall Rating: 3.5/5

This Astor by Blue Nile diamond should exhibit a high volume of light return and a virtual balance of brilliance and dispersion.

The diamonds above will light up your life like stars falling from the heavens. They have been hand-selected by Todd Gray who has 35+ experience in the niche of light performance. The primary difference is the degree of optical precision. That is the consistency of facet shape, size, and alignment. In that case, the sparkle factor will be more intense in the order of presentation from left to right.

The Best Performing +1.50 Carat Diamonds from Our Trusted Partners:

Recommended
Black by Brian Gavin Diamond Reviews.

1.765 carat, G, IF

Overall Rating: 5/5

This Black by Brian Gavin Diamond represents the Pinnacle of Diamond Cutting today. The Ultimate in Light Performance and Sparkle Factor.

James Allen True Hearts Diamond Reviews

1.61 carat, G, VS-2

Overall Rating: 4/5

This James Allen True Hearts diamond exhibits a high volume of light return and a virtual balance of brilliance and dispersion.

Astor by Blue Nile Diamond Reviews.

1.64 carat, G, VVS-2

Overall Rating: 3.5/5

This Astor by Blue Nile diamond should exhibit a high volume of light return and a virtual balance of brilliance and dispersion.

The diamonds above will light up your life like stars falling from the heavens. They have been hand-selected by Todd Gray who has 35+ experience in the niche of light performance. The primary difference is the degree of optical precision. That is the consistency of facet shape, size, and alignment. In that case, the sparkle factor will be more intense in the order of presentation from left to right.

The Best Performing +2 Carat Diamonds from Our Trusted Partners:

Recommended
Black by Brian Gavin Diamond.

2.136 carat, F, VS-1

Overall Rating: 5/5

This Black by Brian Gavin Diamond represents the Pinnacle of Diamond Cutting today. The Ultimate in Light Performance and Sparkle Factor.

James Allen True Hearts Diamond.

2.06 carat, H, VVS-2

Overall Rating: 4/5

This James Allen True Hearts diamond exhibits a high volume of light return and a virtual balance of brilliance and dispersion.

Blue Nile GIA Excellent Cut Diamond Reviews.

2.83 carat, G, VS-1

Overall Rating: 3/5

This Blue Nile GIA Excellent cut diamond should exhibit a high volume of light return and a virtual balance of brilliance and dispersion.

The diamonds above will light up your life like stars falling from the heavens. They have been hand-selected by Todd Gray who has 35+ experience in the niche of light performance. The primary difference is the degree of optical precision. That is the consistency of facet shape, size, and alignment. In that case, the sparkle factor will be more intense in the order of presentation from left to right.

We are committed to helping you learn more about diamonds and light performance. This site contains affiliate links that help support our efforts. Please refer to our material connection disclosure for more details.

Where to Buy Diamonds Online with Confidence:

Black by Brian Gavin Diamonds Reviews.

Black by Brian Gavin Diamond

Black by Brian Gavin:

Black by Brian Gavin Diamonds represent the pinnacle of light performance. In the first place, the patented cutting process produces a higher volume of light return. Secondly, it produces more virtual facets and that creates sparkle that is more vivid and intense. Brian Gavin is the only diamond cutter in the world with a patent for maximizing light performance in the modern round brilliant cut diamond. Now, that's what we call Nice Ice!

Black by Brian Gavin Diamond Reviews

Brian Gavin Diamonds

Brian Gavin Signature Diamonds:

As a matter of fact, a lot of Brian Gavin Signature diamonds exhibit the characteristics of Black. That's because the same team of cutters produce the diamonds for all of his collections. In that case, you might not be able to tell a Black and Signature diamond apart. Especially if the only reason why it's not a Black is the clarity, color, or fluorescence grades.

Blue Nile Diamond Ring Reviews

Blue Nile Diamonds

Blue Nile Diamonds:

Blue Nile offers the largest inventory of GIA graded diamonds online. In addition, they offer an extensive selection of popular engagement rings. At the same time, they have offices on several different continents. Under those circumstances, it's easy for them to ship worldwide and returns are super easy!

Bezel Set Solitaire by James Allen.

James Allen Diamonds

James Allen Diamonds:

In the first place, James Allen offers one of the largest virtual inventories of GIA Excellent cut diamonds. Plus, they offer an extensive selection of engagement rings in all the popular styles. In that case, they're a popular one-stop-shop for natural and lab-grown diamonds.

Double French-set Diamond V ring by Ritani

Ritani Diamonds

Ritani Diamonds:

Ritani offers natural and lab-grown diamonds. In addition, they offer an extensive collection of engagement rings.

Evelyn Pave Solitaire Engagement Ring

Victor Canera Diamonds.

Victor Canera Diamonds:

Victor Canera offers an exclusive selection of H&A and virtual diamonds. In addition, they custom design hand-forged engagement rings. Under those circumstances, you can build the ring of your dreams.

Diamond Shapes With Clarity.

With Clarity Diamonds.

With Clarity:

With Clarity offers an exclusive selection of H&A and virtual diamonds. In addition, they custom design hand-forged engagement rings. Under those circumstances, you can build the ring of your dreams.

James Allen Diamonds Valentines Day Promotion 2021.

James Allen Valentines Day Promotion 2021.

Black by Brian Gavin Diamonds Reviews.

Black by Brian Gavin Diamond

Imagine this "Nice Ice" on your finger:

As a matter of fact, it can be mesmerizing to watch the broad-spectrum sparkle light up the room so vividly. And captivating to see how light reflects off the facets in all the colors of the rainbow. The spectacular light show of spectral bliss tickles the mind and tantalizes the senses.

As the sparkle factor of the diamond dances in acknowledgement of your decision to buy the very best. Obviously, there is more to your diamond than meets the eye because the light performance is so spectacular.

Although that may be true, most people will appreciate the sparkle factor without contemplating the reason. In other words, they may never know why your diamond sparkles so vividly. After all, they probably don't know that proportions and optical precision determine the intensity of light performance. Of course, we do and that's why you should use the Nice Ice Diamond Concierge Service.

The Problem: Going to a Jewelry Store Feels Like Diving with Sharks.

Shopping for an engagement ring should be one of the most exciting moments of your life. But let's be honest, it’s also likely to be one of the most stressful things you've ever done. Because there are a lot of things that you need to know in a short amount of time. And you’re not going to get it right (or you’re going to get it wrong) if you don’t master the game quickly. Or at least it might feel that way, am I right?

The Solution: Dive with a Buddy (who has 35+ years experience)

As a matter of fact, there are many things that you shouldn’t do on your own. Diving with sharks is one of them (because somebody has to film the action). Boldly plunging into the murky waters of Diamond-landia is another (because you might get eaten alive). That is why the Nice Ice® Diamond Concierge Service is available to guide you along the journey. We'll make certain that you come out looking like a hero (and you'll still have stories to tell).

How to Buy the Best Looking Diamond:

Contrary to popular opinion there is more to buying a diamond than limiting your search to AGS Ideal or GIA Excellent. Because the gemological labs don't take optical precision into account.

Nice Ice Blueprint

The Nice Ice® Diamond Buying Blueprint™

Grab the Nice Ice® Diamond Buying Blueprint™

This is the formula that we rely upon to select diamonds for our clients. It contains the tips and tricks that guarantee maximum performance.

Imagine the feeling of holding the Holy Grail of Diamond Buying in your hand. Because this is quite literally The Little Black Book of Diamond Buying Secrets. Get Your Free Copy Now.

Todd Gray

Todd Gray, the Mind Behind Nice Ice®

In-depth Insight From a Pro:

The best way to ensure your success buying a diamond is to rely on the expertise of a seasoned professional.

Todd Gray is a diamond buyer and trade consultant with 35+ years experience in the niche of maximizing sparkle factor. As a matter of fact, there are probably only a handful of people who understand diamond light performance like he does.


In that case, your decision to use our free Diamond Concierge Service is the best way to guarantee that your diamond will be spectacular.

Todd Gray, the mad scientist of diamond cut quality, nice ice diamond concierge service

Todd Gray, the Mad Scientist of Light Performance.

Save Time & Money By Letting Us Search:

We'll Help You Find the Most Spectacular Looking Diamond (using pro tools and mad skills).

Our trade status gives us direct access to the global diamond database. That is the service that most sites are using as the basis for their virtual inventory. In that case, we can search for the best performing diamonds faster and easier.

Plus, we know exactly what we're looking for. So, we can whip through those diamond details pages and separate the wheat from the chaff at light speed. Click Here For Help With Your Diamond Quest.

In-depth Nice Ice® Diamond Buying Guides:

Round Ideal Cut Diamond Buying Guide 2020

Round Diamond Buying Guide.

Round Brilliant Cut Diamond Buying Guide:

The modern round brilliant cut diamond is the most popular diamond shape. That's because it offers the best light performance and sparkle factor when cut properly. Learn what to look for in this in-depth diamond buying tutorial.

Asscher Cut Diamond Buying Guide

Asscher Cut Diamond Buying Guide.

Asscher Cut Diamond Buying Guide:

The Asscher cut diamond is a square emerald cut diamond that features step-facets that are carefully arranged to create a pattern of concentric squares. Needless to say that the effect can be mesmerizing when done right. Read the tutorial to learn what to look for.

Cushion Cut Diamond Buying Guide 2020

Cushion Cut Diamond Buying Guide.

Cushion Cut Diamond Buying Guide:

The modified cushion cut diamond is a brilliant cut diamond with a pillow-like outline. As a matter of fact, it offers spectacular light performance and sparkle factor when cut right. In fact, it can even rival the sparkle factor of a round brilliant ideal cut diamond.

Emerald Cut Diamond Buying Guide

Emerald Cut Diamond Buying Guide.

Emerald Cut Diamond Buying Guide:

Obviously, the emerald cut diamond is rectangular in shape. The step-facet design can produce a very bright looking diamond when cut properly. However, the sparkle factor is not as vivid and intense as brilliant cut diamonds.

Tapered 3-row setting by Ritani.

Marquise Cut Diamond Buying Guide.

Marquise Cut Diamond Buying Guide:

The marquise cut diamond is sometimes referred to as a cat-eye shape because of the outline. As a matter of fact, this can be a tricky shape to get right in terms of maintaining the symmetry. Discover the secret to getting it right in this diamond buying guide. 

James Allen Oval Cut Diamond Review

Oval-shaped Diamond Buying Guide.

Oval-shaped Diamond Buying Guide:

The oval-shaped diamond is one of the more popular shapes because the brilliant facets produce a lot of sparkle. In addition, you might like the way that the longer shape has a tendency to stretch down the length of your finger.

Pear Shape Diamond Halo Setting

Pear-shaped Diamond Buying Guide.

Pear-shaped Diamond Buying Guide:

The tear-drop shape of the pear-shaped diamond makes it a very popular choice. Although that may be true, it's prone to symmetry issues because of the challenge of creating sides that are equal in length and curvature. Learn what to look for in the guide. 

Brian Gavin Signature Princess 3-chevron facets

Princess Cut Diamond Buying Guide.

Princess Cut Diamond Buying Guide:

The modified square brilliant cut diamond, AKA the Princess, is a very popular because of the vivid sparkle. But did you know that the size and intensity of the sparkle is dictated by the number of chevron facets on the bottom? 

Radiant Cut Diamond Buying Guide

Radiant Cut Diamond Buying Guide.

Radiant Cut Diamond Buying Guide:

If you like the look of a rectangle, but also want brilliant sparkle, then the Radiant cut diamond is a good option. After all, the design combines the shape of an emerald with brilliant-cut facets that produce more vivid sparkle. 

Maximizing Light Performance:

One of the best ways ensure your success when buying a diamond is to adhere to the proportions guidelines Nice Ice® recommends. Of course, the proportions of a diamond are only the first piece of the puzzle.


As a matter of fact, the degree of optical precision that the diamond exhibits might be even more important. Consequently, that's what makes the sparkle factor of the Black by Brian Gavin Diamond on the left so impressive. The following tutorials will teach you how to judge light performance in super ideal cut diamonds:

The multi-colored ASET Scope image enables us to determine the degree of light leakage and see how evenly light is reflecting throughout the body of the stone.

We use the Hearts and Arrows Scope to judge the degree of optical precision. That is the consistency of facet shape, size, and alignment. It is not effective for identifying light leakage.

The Ideal Scope is designed to highlight light leakage within a diamond. It does not show how evenly light is reflecting throughout the diamond.

Check Out the Latest from the Nice Ice® Diamonds Blog:

New Article: Diamond Prices 2020 - How to Maximize Return on Sparkle Factor and Light Performance.

March 2, 2020

There is more to buying a 2-carat diamond ring than just hitting the magic number for weight. Sparkle factor and Light Performance are really what it’s all about because that’s what people are going to see from across the room! This 2-carat diamond ring buying guide will help you buy a spectacular looking diamond.

Read More.

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Super Charge Your Diamond Buying Skills:

Follow the Steps in The Nice Ice® Diamond Buying Blueprint™ and Unlock the Secret for Maximizing Sparkle Factor and Light Performance. These are the Tips & Tricks from the back office of Nice Ice Diamonds.