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The Portuguese Cut: A Forgotten Diamond Style Making a Comeback

by Winfred Mwakairu
Aug 25, 2025

Introduction

Having been relegated to the annals of gemological history, the Portuguese cut is having its Cinderella moment. It seems like it was years, since this vintage beauty was stolen by the limelight by more popular styles, such as the round brilliant or cushion cut, but as yet, it is slowly sashaying into the light, and it brought with it, a whole lot of bling.

But what is so special then about the Portuguese cut diamond? So why are contemporary romantics going star struck over this artifact of the past? And is it only fashionable or a harkening back? And here we go to understand everything that can be found around the unusual history of the cut to its alteration of modern luxury one aspect at a time.

Quick answer: A Portuguese cut is a highly faceted, symmetrical diamond cut with roughly 161 facets or more, nearly twice as many as a standard round brilliant. The extra rows of facets (three on the crown, four on the pavilion) give it more fire and a distinctive layered sparkle. It is usually round or oval in shape.

What exactly is the Portuguese Cut?

Gold ring with a large diamond on a gray background

Start with the fundamentals. A Portuguese cut is a symmetrical round or oval cut carrying 161 facets or more - almost twice the facets of a regular round brilliant diamond. More facets mean more surfaces to split and return light, so the stone shows more fire than a standard brilliant.

The Portuguese cut gemstone is quite the opposite of the modern minimalist cuts as it is not about simplicity and understatement. It features:

  • Three rows of facets on the crown

  • Four rows of facets on the pavilion

  • An overall shape that is round or oval

A Glimpse into History: The Royal Origins

The name is not decorative. The Portuguese cut most probably has its roots in Portugal. By most accounts it was developed for royal jewels in the 18th or 19th century.

The cut was designed to maximize brilliance in low light, which is why it was prized in Europe before electric lighting. Under candlelight these stones return far more light than a simple cut does. That was the point: a stone that still performed in a candlelit ballroom.

What Sets the Portuguese Cut Apart?

Close-up of a round diamond with a gray background

1. Facet Count on fire

Most brilliant cuts range around 57 or 58 facets. A Portuguese cut carries over 160. The extra rows break the returned light into many more small flashes across the face of the stone.

2. Old Soul, New Life

The Portuguese diamond ring cut seems like a time capsule to vintage-world luxury. However, with newer artisanship and growing technology in the lab, the once-elusive cut is available more and more readily.

3. Magic optical illusion

The density of facets spreads light across the whole face of the stone, which can make it read larger than its carat weight suggests.

Why It's Trending Now

Gold ring with a large diamond and smaller diamonds on a soft background

A. Vintage and Antique Cut Rise

Couples today are looking for rings with some history behind them. The Portuguese cut has more of it than most modern shapes.

B. Lab Grown Rough Made It Easier to Cut

Lab grown stones have made the cut easier to find. Cutting 161 facets is labor intensive, and lab grown rough lowers the cost of attempting it.

C. Instagram-Trademark Beauty

Let us cut to the chase here and admit that this cut is stunning to photograph. All those small facets photograph well, which is part of why the cut is showing up more on social media.

Portuguese Cut Engagement Rings: The New Classic

A Portuguese cut engagement ring is an unusual choice that still reads as traditional. It is a non-conventional, but classic design. It talks of royalty, revolution and an exquisite taste.

Be it solitaire, halo, or vintage-like setting, a Portuguese cut engagement ring will draw attention across a room.

Lab Grown Love: The Portuguese Cut, Easier to Source

Lab grown rough has made the Portuguese cut far easier to source than it was a decade ago.

You get the same facet structure and the same optical behavior in a stone that is easier to find.

The Rise of Colored Stones: Hello, Portuguese Cut Sapphire

If you would rather have a colored stone, the Portuguese cut works on sapphire as well. The extra facet rows deepen the color read on a sapphire while still returning plenty of light.

And when you feel fancy, why not a pink Portuguese cut diamond, or even a moody Portuguese cut emerald? Colored stones handle the facet density well, since the extra rows add depth rather than washing the color out.

What's the Portuguese Cut Diamond Price Like?

Now the question everyone asks: price.

Natural or Lab-grown

  • Portuguese cut natural diamond: High priced, rare and normally vintage or unique cut.

  • Portuguese cut diamond lab grown: much cheaper, costing according to size, clarity and country of origin.

A Portuguese cut generally costs more than a standard cut of the same weight, because cutting 161 facets takes far more time at the wheel. If you want a stone to hand down, that labor is what you are paying for.

Tips for Buying a Portuguese Cut Stone

Diamond with GIA certification on a white background

Asking to be Certified

Whenever purchasing a Portuguese shaped diamond (and particularly online) make sure you get a GIA or IGI certificate.

Seek out Cut Quality

The more facets a stone carries, the more places symmetry can go wrong. Ask for the cut, polish and symmetry grades on the report and look for Excellent or Very Good.

Look at Lab-Grown

A lab grown Portuguese cut gives you the full facet count at a fraction of the cost of a natural stone.

Portuguese Cut Rings: More Than Just Engagement

Engagement rings are not the only use for the cut. It also turns up in:

  • Cocktail rings with flashy colored jewels

  • Vintage style anniversary bands

  • Statement rings worn on any finger

The facet pattern reads as dressy even in a plain setting, which is why the cut works outside formal occasions.

Diamond Portugal Connection

Have you ever asked why it is called the Portuguese diamond? The name is often linked to the Portuguese Diamond, a stone once held by European nobility and now in the Smithsonian collection. At 127 carats, it is a reminder of how long Portugal has been part of the diamond trade.

Styling Your Portuguese Cut Stone

Wish to maximize the shine of your stone? Here's how:

Gold ring with a large diamond held by a hand against a neutral background

Dress It With Slim Jewelry

Let the Portuguese cut ring carry the look. Simple earrings and a plain metal band keep the attention on the stone.

Shoot It under Natural Light

For photographs, diffused daylight shows the cut best.

Do not Forget the Manicure

Expect people to ask about it.

Jewelry Care Tips for Portuguese Cut Diamonds

There is a lot of responsibility that goes with so much sparkle.

  • Brush frequently using warm water, a small amount of soap and clean with a gentle toothbrush.

  • Skip ultrasonic cleaners. With this many facet junctions, an ultrasonic can loosen a stone before it clears the buildup.

  • Store each piece separately so the stones do not scratch or dull each other.

What to Ask About Origin in the Portuguese Cut Revival

A few things worth asking about when you shop:

  • Consider a lab grown Portuguese cut stone

  • Choose jewelers dealing in recycled metals

  • Ask for an independent grading report from IGI or GIA

The revival is less about fashion than about buyers wanting a cut with some craft behind it.

Perfect for Gifting: Portuguese Cut Ideas

Buying one as a gift? The Portuguese gem cut is a beautiful anniversary or milestone gift or even a simple gift. Consider:

  • Birthstones (such as a Portuguese cut sapphire or garnet)

  • Heirloom-style settings

  • An engraved band for a personal inscription

Conclusions: So Will the Portuguese Cut Remain?

Thus, is Portuguese cut diamond a fleeting trend in the retro movement? Absolutely not. It is a beautiful amalgamation of the past, skill and contemporary glitz. Whether you are drawn to antique cuts or just want something few people own, the Portuguese cut earns its place in a jewelry collection.

And let us tell the truth, when you sport something as blingy and exotic as a Portuguese cut engagement ring you are wearing a cut that has been around for centuries and is only now easy to buy.

That is reason enough to take a closer look at it.

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About the Author


Winfred Mwakairu

Winfred Mwakairu

Winfred Mwakairu designs jewelry that merges bold creativity with meticulous detail. His work reflects a deep appreciation for form, material, and innovation.

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FAQ's

A cut diamond (Portuguese) is a very fascinating style of diamond that may have 161 or more facet facets in the diamond, many more than the standard 57 facets in a brilliant cut, or 58 facets in a brilliant cut. This complex faceting results in superior brilliance and fire, and the Portuguese cut is one of the brightest diamond cut styles on the market.

This cut is called the Portuguese cut after the historical roots of the cut, which is well connected to European, Portuguese specifically, traditions of jewelry. The achievement of this cut was to provide the maximum luster in the low-light settings of which the royal courts were dominated by candles, especially in the area of the diamond Portugal circles.

Both cuts have a round shape, but a Portuguese shaped diamond has over twice the number of facets compared to a round brilliant. This creates a darker luster and an antique appearance, very often desired in Portuguese engagement rings or old-fashioned-like designs.

Portugal is one of the few countries where the price of a diamond is dependent on its size, clarity, and the way it was grown (lab-grown stone or natural). Due to its complexity, it might prove costly compared to the basic cuts. Portuguese cut diamond lab grown can, however, be much more affordable.

Yes! A Portuguese cut engagement ring fits a person who wants something extraordinary that is vintage looking and at the same time has a brilliance that is without rival. Depending on whether you want a solitaire or halo setting, you will find that the Portuguese cut diamond engagement ring is all that and more.

Definitely. The Portuguese cut does not apply only to diamonds. Portuguese cut gemstones that you can find incorporate Portuguese cut sapphire, Portuguese cut topaz, amethyst, and many others. This incision brings out the depth and fire of the colored stones splendidly.

Yes, absolutely. A lab grown Portuguese cut diamond has the same sparkle and glamor as a mined one, and its origin is documented on an independent grading report. The lab-grown Portuguese cut diamond stone has found its way to a wide range of jewelers selling the stone with a lesser price tag.

Indeed, when considering the people who would like to have something unique and unusual. An example is a pink Portuguese cut diamond which shows a color intensity and sparkle. Portuguese cut gems are colored gems and are cut in such a way that the faceting is very deep and hence stands out.

Although most antique cuts are said to be endearing, the Portuguese cut stone is however characterized by the highest number of facets and circular face. It is more intricate than most cuts such as the old cut mine or the rose cut and this makes it sparkle brightly. To learn more about other antique cuts and styles, you can highlight antique cuts and styles.

Absolutely. Most jewelers have Portuguese cut rings as casual or statement rings. The Portuguese cut ring can be used as cocktail rings, anniversary gifts as well as various jewelry collections that will give it a vintage flavor.

Sure, it is very rare, if you are speaking about the well-known Portuguese Diamond (a 127-carat diamond which can be found at the Smithsonian). Nevertheless, Portuguese diamond designs and shapes are getting accessible nowadays, equal with lab-grown models.

A Portuguese cut stone would be the most typical cut into round or oval. A Portuguese cut oval diamond has the added elongation of an oval combined with the intense brilliance that the Portuguese faceting style has created.

The Portuguese cut diamond has also re-entered the spotlight due to vintage trends and a craving for uniqueness. Now that the clear upstart, Portuguese cut diamond lab grows can be produced by modern technology, giving it to more people, it is not lost anymore.

Yes, Portuguese rings are becoming more popular with brides who seek a unique identity and favor the past. They combine historical charm and shimmering brightness, making them trendy and contemporary.