Top 30 Square Engagement Rings

Written by: Benjamin Khordipour, Jewelry and Gemology Expert
November 28, 2023 – Posted in: Jewelry Blog

Square engagement rings offer the perfect twist on familiar favorites of the engagement ring world. These chic rings are available in various styles, from timeless solitaires to sparklers with multiple diamonds and other eye-catching gemstones. Here are our top picks of square engagement rings that are sure to get a resounding yes.

1. Berkeley Ring

Luxurious Diamond Engagement Ring With Overall Square Shape

Price: $19,000. Learn more about the Berkeley Ring.

If “go big, or go home” is the standard for your proposal, then consider getting the exquisite Berkeley Ring. This antique piece features a 1.53-carat old European-cut center diamond with J color and VS1 clarity held by prongs inside a square bezel.

Next, a mesmerizing floral openwork design contrasts the geometrical center, adding a playful feeling to this stunning ring. Smaller diamonds of the same cut adorn the surrounding design and the triangular shoulders, adding 0.85 carats to the ring’s total weight.

Hopeless romantics will absolutely adore the heart motif designs that decorate the bridge. Thanks to these carefully thought-out elements, this ring looks breathtaking from any angle. Finally, it should come as no surprise that it was crafted during the Edwardian Era, the jewelry from which is unrivaled in opulence.

2. Luton Ring

Platinum Square Shaped Diamond Engagement Ring

Price: $4,000. Learn more about the Luton Ring.

If you’re a fan of antique pieces, then the Luton Ring may be a good fit. This stunning French ring is certainly elegant; it retains an alluring delicacy while also exhibiting modest luxury. Handcrafted circa 1920 during the Art Deco Era, this square platinum ring features a 0.60-carat old European-cut center diamond with I color and SI2 clarity.

The center stone, set in box prongs and surrounded by a square bezel, is stunning without a doubt- but it is not the only appealing aspect of this ring. Consider, also, the magnificent shoulders; these beautiful elements feature additional diamonds, fine milgrain, and a unique openwork design.

3. Sanremo Ring

Platinum Engagement Ring Featuring Large Square Diamond

Price Upon Request. Learn more about the Sanremo Ring.

The Sanremo Ring makes its presence known thanks to the gigantic GIA-certified diamond in the center.

This emerald-cut beauty weighs approximately 5.05 carats and commands all the attention. Still, we shouldn’t forget the unique shoulders that feature additional baguette-cut diamonds and ensure the center stone flows seamlessly into the platinum band. The sleek band was kept simple so as not to detract from the star of the show.

4. Marino Ring

Square Diamond Engagement Ring With Diamond Halo

Price: $9,800. Learn more about the Marino Ring.

If you’re looking for a diamond extravaganza, then the Marino Ring might be the one for you. The magnificent diamond display starts with the centerpiece; a GIA-certified cushion-cut diamond weighing approximately 1.10 carats. What’s more, this antique diamond stands out even more due to its exceptional near-colorless G color grade.

The diamond story continues into the square halo and shoulder, ensuring that these precious gemstones cover every inch of the mounting. Finally, this low-profile ring also features a decorated under-gallery and a chic triple-wire platinum band.

5. Atlanta Ring

Diamond And Emerald Double Halo Engagement Ring

Price: $4,800. Learn more about the Atlanta Ring.

The Atlanta Ring is perfect for brides looking for a rounded square engagement ring with a pop of color. The stunning green color comes from a 0.50-carat halo of natural emeralds. This captivating halo hugs the center diamond, a lively 0.50-carat Asscher cut diamond.

Although emeralds don’t need help to look remarkable, a surrounding diamond halo makes their color shine in all its glory. Seeing how well diamonds and emeralds complement each other, it’s no wonder this is one of the all-time favorite gemstone combinations for engagement rings.

6. The Denmark Ring

Square Ring With Round Center Diamond And Sapphires

Price: $9,500. Learn more about The Denmark Ring.

If you’re looking for a square diamond engagement ring with a twist, then you’ll love The Denmark Ring. This unique ring features a sparkling old European-cut center diamond, weighing approximately 1.07 carats and taking up most of the mounting. Still, what’s left of the mounting looks splendid, thanks to a magnificent combination of deep-blue sapphires and dazzling diamonds.

The exquisite craftsmanship continues with the shoulders, which feature a fleur-de-lis design. Accenting diamonds and delicate milgrain adorn each shoulder, adding to the delicacy of this ring. A platinum triple-shank wire springs from the shoulder, resembling flower stems.

7. New York Ring

Octagonal Diamond Ring With A Diamond Halo

Price: $9,000. Learn more about the New York Ring.

New York is famous for its flashing lights and vibrant culture that keeps you coming back for more. Naturally, a ring named after this unforgettable city couldn’t disappoint. And it certainly doesn’t.

This lively rounded square engagement ring centers a GIA-certified Asscher cut diamond weighing approximately 1.01 carat. A diamond-studded halo accents the center stone and adds 0.23 carats to the total diamond weight. The shoulders are equally eye-catching, thanks to a fleur-de-lis motif with a single diamond on each side. This platinum beauty boasts a lustrous triple-wire shank and stunning openwork under-gallery.

8. Sardinia Ring

Square Cut Aquamarine Engagment Ring With Diamond Accents

Price: $2,800. Learn more about the Sardinia Ring.

Although diamonds are certainly timeless and beautiful, they are undeniably the most common engagement ring stone. So, why not break away from tradition and choose a colorful alternative? One look at the alluring Sardinia ring, and you’ll understand why aquamarine engagement rings are all the rage right now.

This simple yet effective ring centers a fiery Asscher cut aquamarine set in a platinum mounting. The center stone weighs approximately 1.39 carats and boasts a lively shade of blue. Accent diamonds line the entire visible part of the platinum shank, while additional diamonds adorn the mounting. The total diamond weight is approximately 0.36 carats.

9. Metz Ring

High Profile Diamond Engagement Ring With Diamond Halo

Price: $14,000. Learn more about the Metz Ring.

Handcrafted in France circa 1940, the white gold Metz Ring comes from the Retro Era. Like other jewelry from this era, it was designed to make a statement. This outstanding square diamond engagement ring features an old European-cut diamond that weighs approximately 1.42 carats and sits prominently above the mounting.

The center diamond is set in four prongs extending from the lower gallery. These unique prongs lead to a pyramid-style halo packed with smaller diamonds. The ring’s shoulders also received some love with single-cut diamonds bringing the total diamond weight to approximately 1.69 carats.

10. Worcester Ring

Delicate Diamond Ring With Square Mounting

Price: $2,500. Learn more about the Worcester Ring.

The Worcester Ring is ideal for future brides who prefer subtle jewelry. This elegant Art Deco-era ring features a round brilliant-cut center diamond GIA-certified as 0.50 carats, I color, and VS1 clarity. Five smaller single-cut diamonds accent each shoulder, set in an elongated bullet-shaped bezel. Finally, this original French piece was handcrafted in platinum circa 1950.

11. Tide Ring

Square Cut Aquamarine Engagement Ring With Diamond Halo

Price: $3,500. Learn more about the Tide Ring.

Diamond and aquamarine stones are a match made in heaven, which the Tide Ring certainly demonstrates.

The square-cut aquamarine is in the center of the ring, weighing around 0.80 carats and offering exquisite saturation. The diamonds are everywhere else – in the surrounding halo and down the shoulders. In total, these sparkling additions weigh approximately 0.45 carats. Finally, the under-gallery features stunning openwork patterns.

12. Tolu Ring

Square Ring With Center Emerald And Diamond Halo

Price: $6,000. Learn more about the Tolu Ring.

Looking for a unique square engagement ring? The Tolu Ring is as unique as a square ring gets! And as beautiful, we might add.

This unusual ring features a 1.84-carat emerald-cut center emerald with a striking deep green saturation. The center stone is bezel-set in 18k yellow gold, creating an appealing contrast of colors that oozes glamor. Last but certainly not least, a square diamond-studded halo surrounds the center stone, further emphasizing its color.

13. Winona Ring

Square Cut Diamond Engagement Ring With Large Diamond

Price Upon Request. Learn more about the Winona Ring.

The Winona Ring is pretty hard to miss, thanks to its impressive size and beauty. The ring owes this effect to the giant 6.38-carat emerald-cut diamond in the center, set in prongs. Since the center stone does all the talking, the remainder of the design is quite minimal. Finally, the lovely bullet-cut diamonds on the shoulders are the perfect complement to the center stone.

14. Sulham Ring

Diamond Engagement Ring with Emerald Halo

Price: $9,500. Learn more about the Sulham Ring.

The Sulham Ring is another impressive option for a rounded square engagement ring, especially if a pop of color appeals to you.

This beauty features a 1.30-carat antique cushion cut diamond of excellent color and clarity. A square-shaped bezel surrounds the center stone and houses none other than stunning natural emeralds. Delicate milgrain surrounds the center stone and the emerald halo, adding a touch of sophistication. Three accent diamonds adorn each shoulder and complement the detailed under-gallery.

15. Blairstown Ring

Minimal Square Diamond Engagement Ring With Detailed Shoulders

Price: $4,800. Learn more about the Blairstown Ring.

Handcrafted in platinum circa 1925, this Art Deco-era beauty is perfect for those who want a subtle antique piece with some hidden depth. Firstly, the 0.70-carat center diamond sits in a square bezel, while the shoulders emphasize the square shape with a two-layered step-down design. Each step features additional diamonds, while detailed engravings decorate the shank.

16. Pottstown Ring

1.65 carat Old European Cut Diamond Set in Boxed Prongs - Pottstown Ring - Hand Video

Price: $14,000. Learn more about the Pottstown Ring.

The Pottstown Ring was handcrafted in platinum circa 1920, meaning this is yet another stunning Art Deco piece. The center diamond weighs approximately 1.65 carats, while the shank is unadorned. However, the true hook for this design must be the lovely three-point clover shoulders. If you’re looking for a charming piece that doesn’t disappoint in the dazzle department, then look no further.

17. Southwell Ring

Diamond Engagement Ring Featuring Square Platinum Mounting

Price: $13,000. Learn more about the Southwell Ring.

For a vintage piece that exhibits both charming and bold qualities, consider the Art Deco-era Southwell Ring. Handcrafted in platinum circa 1935, this stunning ring features an old European-cut center diamond GIA-certified as 1.06 carats, I color, and VS2 clarity.

The distinct prongs in which this lovely stone is set contribute much to the design’s appeal, offering a sleek and bold aesthetic. What’s more, the square mounting features bold and minimal geometric patterns in the gallery, while each of the shoulders hosts a fine milgrain-bordered baguette-cut diamond

18. Albi Ring

Solitaire Diamond Ring With Subtle Square Frame

Price: $45,000. Learn more about the Albi Ring.

You can never go wrong with a solitaire, and the Albi Ring is all the proof you need. This breathtaking ring’s design revolves around a 3.63-carat old European-cut diamond with J color and VS2 clarity. Thanks to its size and quality, it will undoubtedly attract all eyes.

Although the center display is the main attraction, jewelers didn’t neglect the rest of the ring. Elaborate hand engravings decorate the shank, while the bold cubic setting is quite minimal thus allowing the stone to shine to its fullest. What’s more, the prongs themselves are rather distinct and exhibit a design that is appealing from all angles.

19. Starrett Ring

Diamond Engagement Ring With Diamond Halo And Diamond Shoulders

Price: $4,500. Learn more about the Starrett Ring.

The striking Starrett ring features a GIA-certified Asscher-cut diamond in the center, weighing approximately 0.52 carats. A geometrical halo packed with baguette-cut diamonds surrounds the center stone, adding to the ring’s beauty.

More diamonds can be found on the ring’s shoulders – five on each side, to be precise. The surrounding diamonds weigh as much as the center stone, making this ring a perfect choice for a loved one who can’t get enough of these shiny stones.

20. Olympia Ring

Diamond Ring With Circular Onyx Halo And Square Diamond Halo

Price: $3,900. Learn more about the Olympia Ring.

The Olympia Ring is perfect for brides looking for unorthodox square engagement rings. The dazzling design begins with the 0.40-carat round brilliant-cut center diamond and ends with a detailed square diamond halo.

However, it’s the circular onyx halo between these two diamond elements that truly makes this piece stand out. Thanks to its dark color, onyx is ideal for high-impact designs that always serve as a conversation starter. Finally, each of these aspects of the ring’s design, including the diamond-adorned shoulders, is emphasized by fine milgrain borders.

21. Charlton Ring

Square Ring Featuring Round Diamond And Onyx Halo

Price: $14,000. Learn more about the Charlton Ring.

If you like the idea of onyx in your engagement ring but still want a center diamond, then we recommend the Charlton Ring. This unique piece takes the onyx-diamond combination one step further by crafting the entire square halo from onyx. The velvety smooth onyx leans on the center diamond, a 1.50-carat old European-cut beauty.

Since the face of the ring is so visually striking and appealing, the surrounding elements must keep up. And that they do! The shoulders feature exquisite fleur-de-lis motifs, which perfectly complement the openwork under-gallery. Finally, the famed John W. Charlton signed the ring after its creation during the Art Deco era, circa 1925.

22. Cedar Ring

Art Deco 0.40ct Center Old European Cut Diamond Open Work Engagement Ring - Cedar Ring - Hand Video

Price: $2,200. Learn more about the Cedar Ring.

The Cedar Ring is certainly a top pick for square rings; the square features are prominent and delightful, while the surrounding embellishments are equal parts detailed and enchanting. Firstly, the 0.40-carat old European-cut center diamond is held in a square bezel that connects to the surrounding square mounting.

Then, the triangular openwork shoulders feature a delicate and elegant winged motif. Last but not least, the side profile is nothing short of spectacular; the bridge features engravings that evolve to bold openwork which continue seamlessly into the gallery. But that’s not where the gallery’s beauty ends, as the magnificent openwork features an additional winged motif center ornament.

23. Tiffany Diamond Ring

Emerald Cut Square Diamond Engagement Ring

Price Upon Request. Learn more about the Tiffany Diamond Ring.

Over time, the Tiffany & Co. brand has almost become synonymous with jewelry. The brand has a reputation for offering only the most meticulously inspected stones of top quality. So, few things can top having a Tiffany diamond engagement ring.

This magnificent ring centers a giant GIA-certified emerald-cut diamond of 5.92 carats, E color, and VS1 clarity. The incredibly impressive color grade indicates that this is an extremely rare colorless stone. What’s more, this gorgeous diamond is flanked by a baguette-cut diamond on either side, contributing an additional 0.40 carats to the already impressive diamond weight.

24. Lowville Ring

Diamond Engagement Ring With Additional Accent Diamonds

Price: $9,800. Learn more about the Lowville Ring.

The Lowville Ring has got a lot going for it. For starters, it features an exquisite cushion-cut diamond in the center weighing 1.10 carats.

The center diamond was cut circa 1925 and is GIA-certified. Next, a lovely array of three baguette-cut diamonds accents the center stone on either side, creating a striking visual effect. Finally, old European-cut diamonds line the gallery, while bullet-shaped bezels host additional diamonds on the shoulders, tying the entire design together.

25. Medford Ring

Large Square Diamond Engagement Ring With Diamond Halo

Price: $22,000. Learn more about the Medford Ring.

If you’re looking for a large ring that is sure to grab everyone’s attention, then the dazzling Medford Ring is a perfect choice. Handcrafted in platinum circa 1935, this impressive Art Deco piece features a bold geometric design.

Beginning in the center, a round 1.75-carat diamond set in box prongs is the main feature. Then, the surrounding square halo of antique carre-cut square diamonds forms the perfect frame. Finally, the triangular shoulders feature even more diamonds including antique trillion-cut diamonds and small round old European-cut diamonds.

26. Tuena Ring

Diamond Engagement Ring Featuring Diamond Halo

Price: $9,000. Learn more about the Tuena Ring.

The lovely Tuena Ring features a rare antique cushion-cut diamond weighing approximately 1.07 carats. The center diamond is mounted in platinum and surrounded by a splendid halo packed with additional diamonds. Finally, the fleur-de-lis motif on the shoulders, the triple-wire shank, and the delicate milgrain sparkling all around further elevate this ring’s design.

27. Bragança Ring

Double Halo Ruby And Diamond Engagement Ring

Price: $5,200. Learn more about the Bragança Ring.

Thanks to their color, rubies add a perfect touch of romance to any engagement ring, and the Bragança Ring is no exception.

This sensational ring features a 0.52-carat emerald-cut diamond surrounded by a double halo of rubies and diamonds. The pop of color afforded by the inner halo of rubies certainly makes this ring stand out in the most wonderful way. Diamond accents are also present on the shoulders, which merge with the triple-wire shank beautifully.

28. Baywood Ring

Square Diamond Engagement Ring With Minimal Design

Price Upon Request. Learn more about the Baywood Ring.

If we could use just one word to describe the Baywood Ring, it would be “spectacular”. The ring features a mammoth of a center diamond, weighing a whopping 5.09 carats and boasting a G color grade. This GIA-certified stone is set in prongs and will capture anyone’s attention with ease. What’s more, an elongated tapered baguette-cut diamond flanks this stunner on each side.

29. Sherman Ring

Large Diamond Ring With Rectangular Onyx Halo

Price: $22,500. Learn more about the Sherman Ring.

If you’re interested in something unique, but don’t find eccentric designs appealing, then the toned-down Sherman Ring is a perfect option.

This slick and bold piece was handcrafted in platinum circa 1920 and features a minimal yet alluring design. The 2.25-carat center diamond exhibits a spectacular white sparkle, while the surrounding black onyx creates a perfect striking contrast that emphasizes the center stone.

30. Jonesboro Ring

Delicate Diamond Engagement Ring With Elaborate Details

Price: $10,800. Learn more about the Jonesboro Ring.

Last, but not least, the elaborately detailed and delicate Jonesboro Ring is the perfect piece to wrap things up.

Look at it from the top, and you’ll see a stunning GIA-certified old European-cut diamond weighing 1.03 carats flanked on each side by three smaller diamonds of the same cut. Meanwhile, the profile view reveals a bold gallery with fine milgrain and engravings along the bridge and shank. Finally, if you inspect the ring’s band, you’ll notice unique hand engravings, which evoke a luxurious charm.

Talk to a Diamond Expert

Benjamin Khordipour in Estate Diamond Jewelry Showroom

Choosing the perfect ring can be overwhelming due to the sheer number of spectacular options. If you don’t think you can make the final decision alone, our experts at Estate Diamond Jewelry will be more than happy to assist you. Whether it’s an inquiry regarding one of the square engagement rings on our list or a request for some general guidance, feel free to complete the contact form below and a jewelry expert will reach out within one business hour.