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Large Square Diamond Ring

Invisible Set Sapphire Diamond Ring Large Square Cocktail 18k White Gold Sz 8
Invisible Set Sapphire Diamond Ring Large Square Cocktail 18k White Gold Sz 8

Invisible Set Sapphire Diamond Ring Large Square Cocktail 18k White Gold Sz 8

Located in Torrance, CA

Stylish contemporary sapphire & diamond square cocktail ring crafted in 18 karat white gold.

Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, White Gold

Sterling Silver Large Square Faceted Green Prasiolite and Diamond Ring
Sterling Silver Large Square Faceted Green Prasiolite and Diamond Ring

Sterling Silver Large Square Faceted Green Prasiolite and Diamond Ring

Located in Fairfield, CT

Sterling silver and gold ring. This interesting patterned sterling silver ring features a square faceted, pale green color center prasiolite, approximately 14.06 CTS, decorated with ...

Category

20th Century Fashion Rings

Materials

Diamond, Sterling Silver

14k Yellow Gold Large Oval Sapphire Square Step Diamond Band Ring
14k Yellow Gold Large Oval Sapphire Square Step Diamond Band Ring

14k Yellow Gold Large Oval Sapphire Square Step Diamond Band Ring

Located in Montclair, NJ

–Stone(s)– (1) Natural Genuine Sapphire - Oval Brilliant Cut - Prong Set - Deep Blue Color  - 7.08 x 5.12mm (approx.) - 1.0ctw (approx.) (8) Natural Genuine Sapphire - Square Step Cu...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Gold, 14k Gold, Yellow Gold

14k Yellow Gold & Silver Peridot Rose Mosaic Diamond Large Square Platter Ring
14k Yellow Gold & Silver Peridot Rose Mosaic Diamond Large Square Platter Ring

14k Yellow Gold & Silver Peridot Rose Mosaic Diamond Large Square Platter Ring

Located in Montclair, NJ

--Stone(s):-- (1) Natural Genuine Peridot - Cushion Cut - Bezel Set - Rich Clean Lime Green Color - 10.5x10.8mm (approx.) Numerous Natural Genuine Diamonds - Rose Cut - Bezel Set Ma...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Peridot, Yellow Gold, Silver

Square-ish 2.68 CT Natural Diamond Large Fancy Light Yellow Platinum & 22 karat
Square-ish 2.68 CT Natural Diamond Large Fancy Light Yellow Platinum & 22 karat

Square-ish 2.68 CT Natural Diamond Large Fancy Light Yellow Platinum & 22 karat

Located in Brooklyn, NY

Vintage - new never used Diamond Engagement ring (was made in 1999 but never put on the internet, dealer is selling it due to retirement) Center stone: Rectangle 2.68 carat Fancy Lig...

Category

1990s American Engagement Rings

Materials

Diamond, 22k Gold, Platinum

Recent Sales

Cartier Square Pave Diamond Large White Gold Ring
Cartier Square Pave Diamond Large White Gold Ring

Cartier Square Pave Diamond Large White Gold Ring

By Cartier

Located in Southampton, PA

18k White Gold Diamond Square Pave Diamond Large Ring by Cartier.

Category

20th Century French Cocktail Rings

Materials

Diamond, White Gold

18 Karat White Gold Diamond Large Angular Square Baguette Fancy Ring
18 Karat White Gold Diamond Large Angular Square Baguette Fancy Ring

18 Karat White Gold Diamond Large Angular Square Baguette Fancy Ring

Located in Los Angeles, CA

This baguette, diamond ring is crafted in 18-karat white gold, weighing approximately 5.80 total carats of SI-V Quality white diamonds. This ring is comfortable and can be sized "upo...

Category

2010s American Cocktail Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Platinum Large Rectangular Step Cut Blue Topaz Carre Diamond Sides Ring
Platinum Large Rectangular Step Cut Blue Topaz Carre Diamond Sides Ring

Platinum Large Rectangular Step Cut Blue Topaz Carre Diamond Sides Ring

Located in Montclair, NJ

--Stone(s):-- (1) Natural Genuine Blue Topaz - Rectangular Step Cut - Prong Set - Swiss Blue Color - 16.5x11.7mm - 17ct (approx.) (10) Natural Genuine Diamonds - Square Step Carre Cu...

Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Blue Topaz, Platinum

Platinum Round and Tapered Baguette Diamonds and Square Orange Tourmaline Large
Platinum Round and Tapered Baguette Diamonds and Square Orange Tourmaline Large

Platinum Round and Tapered Baguette Diamonds and Square Orange Tourmaline Large

Located in Southampton, PA

The star of the show in this majestic platinum ring is the stunning orange tourmaline that takes the central place in an incredibly imposing manner. The tourmaline weighs astounding ...

Category

21st Century and Contemporary Band Rings

Materials

Diamond, Platinum

Cartier Pave Diamond White Gold Large Ring
Cartier Pave Diamond White Gold Large Ring

Cartier Pave Diamond White Gold Large Ring

By Cartier

Located in Southampton, PA

18k White Gold Diamond Square Pave Diamond Large Ring by Cartier.

Category

Early 2000s French Cocktail Rings

Materials

Diamond, White Gold

Vintage Art Deco 1.50ct Diamond Ring Platinum Large Square Dinner
Vintage Art Deco 1.50ct Diamond Ring Platinum Large Square Dinner

Vintage Art Deco 1.50ct Diamond Ring Platinum Large Square Dinner

Located in Torrance, CA

Finely detailed vintage Art Deco era diamond ring (circa 1920s to 1930s) crafted in 900 platinum.

Category

Early 20th Century Unknown Art Deco Cocktail Rings

Materials

Diamond, White Diamond, Platinum

Vintage 14k White Gold Large GIA Square Cushion Aquamarine Diamond Cocktail Ring
Vintage 14k White Gold Large GIA Square Cushion Aquamarine Diamond Cocktail Ring

Vintage 14k White Gold Large GIA Square Cushion Aquamarine Diamond Cocktail Ring

Located in Montclair, NJ

Up for sale we have an absolutely stunning, GIA certified, aquamarine and diamond cocktail ring. The very fine quality aquamarine is a large square cushion cut stone, weighing approx...

Category

21st Century and Contemporary Cocktail Rings

Materials

Aquamarine, Diamond, 14k Gold, White Gold

Pink Topaz Diamond Ring Large Square Cocktail Estate 18 Karat Gold Fine Jewelry
Pink Topaz Diamond Ring Large Square Cocktail Estate 18 Karat Gold Fine Jewelry

Pink Topaz Diamond Ring Large Square Cocktail Estate 18 Karat Gold Fine Jewelry

Located in Torrance, CA

Finely detailed estate pink topaz & diamond cocktail ring, crafted in 18 karat white gold. One emerald cut Topaz, approx. 17.70 carats (18.0 x 13.0 x 8.0mm), medium pink color (due...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Diamond, Topaz, 18k Gold, White Gold

Diamond Citrine Ring 14k Gold Large 4.83 TCW Women Certified
Diamond Citrine Ring 14k Gold Large 4.83 TCW Women Certified

Diamond Citrine Ring 14k Gold Large 4.83 TCW Women Certified

Located in Brooklyn, NY

CERTIFIED $1,950 LADIES FINELY FACETED QUALITY CITRINE AND DIAMOND 14 KT RING 4.83 TOTAL CT total weight Beautiful and Elegant Custom made Ring. Suitable For Any Occasion! This is...

Category

2010s American Modern Wedding Rings

Materials

Citrine, Diamond, 14k Gold, White Gold

7.1 Carat Turquoise & Diamond Feather Textured Large Statement Box Ring, Unisex
7.1 Carat Turquoise & Diamond Feather Textured Large Statement Box Ring, Unisex

7.1 Carat Turquoise & Diamond Feather Textured Large Statement Box Ring, Unisex

Located in Bozeman, MT

Turquoise and Diamond Feathered Textured Large Statement, Mens, Unisex 24K, Sterling Ring Handmade by Prehistoric Works Ring details: Turquoise - 7.10 ct 4 Diamonds - 0.08 ct 24K Go...

Category

21st Century and Contemporary Turkish Native American Cocktail Rings

Materials

Diamond, Turquoise, Sterling Silver, Silver, Yellow Gold, 24k Gold, Gold

Large Pave Multi Color Diamond Square Ring
Large Pave Multi Color Diamond Square Ring

Large Pave Multi Color Diamond Square Ring

Located in Palm Beach, FL

Ring set in 18k Yellow & White Gold. 1.17 carats of round-cut Diamonds.

Materials

18k Gold

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Located in Laguna Beach, CA

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Late 20th Century Cocktail Rings

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Sapphire Ring in 14K White Gold with Diamonds Size 6

By Unbranded

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Vintage 14 Karat Yellow Gold Sapphire and Diamond Ring Size 6.5- This lovely ring features one marquis sapphire (8 mm x 4 mm) and two round brilliant cut diamonds set in 14K yellow ...

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Materials

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Yellow Gold Emerald Cut Ring with Peridot and Citrine
Yellow Gold Emerald Cut Ring with Peridot and Citrine

Yellow Gold Emerald Cut Ring with Peridot and Citrine

By Christina Addison

Located in New York, NY

18kt yellow gold Emerald Cut ring with peridot (approximately 5 cts) and citrine (approximately 4 cts each). The Ring measures approximately 1 " across and 1/2" in height. The Emer...

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Vintage Trillion Peridot and Diamond Gold Moi et Toi Bypass Ring
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Simply Beautiful! Vintage Trillion Peridot and Diamond Gold Moi et Toi Vintage Bypass Ring. Hand set with 1.30tcw Trillion Peridot and 0.08tcw Diamonds. Approx. Dimensions: 0.9” l x ...

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Materials

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Vintage 4.12 Carat Sapphire GIA and Diamond Gold Statement Ring
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Vintage 4.12 Carat Sapphire GIA and Diamond Gold Statement Ring

Located in Montreal, QC

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This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...

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Located in Montreal, QC

Simply Beautiful! Finely Detailed Vintage Prasiolite Quartz and Diamond Gold Solitaire Ring. Centering a Hand set securely nestled 18 Carat A Square Prasiolite Quartz Gemstone. Accen...

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18 Karat Yellow Gold Oval 4.45 Carat Blue Sapphire 24 Princess Cut Invisible Set
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Early 2000s Unknown Contemporary Cocktail Rings

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25.90 CTW Green Amethyst Three Stone Ring in sterling silver. You shall need these three stone ring to make a statement with your look. These three stone ring create a sparkling, lux...

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Located in New York, NY

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Get Updated with New Arrivals
Save "Large Square Diamond Ring", and we’ll notify you when there are new listings in this category.

Large Square Diamond Ring For Sale on 1stDibs

You are likely to find exactly the large square diamond ring you’re looking for on 1stDibs, as there is a broad range for sale. Every item for sale was constructed with extraordinary care, often using gold, 18k gold and white gold. In our selection of items, you can find a vintage example as well as a contemporary version. If you’re looking for a large square diamond ring from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 19th Century while another version may have been produced as recently as the 21st Century. There have been many well-made iterations of the classic large square diamond ring over the years, but those made by Meghna Jewels, Hancocks and Hella Ganor are often thought to be among the most beautiful. A large square diamond ring can make for a versatile accessory, but a selection from our variety of 152 diamond versions can add an especially stylish touch. Today, if you’re looking for a square cut version of this piece and are unable to find the perfect match, our selection also includes round cut and old european cut alternatives. If you’re browsing our inventory for a large square diamond ring, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a Large Square Diamond Ring?

The price for a large square diamond ring starts at $314 and tops out at $875,000 with these rings, on average, selling for $5,437.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Finding the Right Rings for You

Antique and vintage rings have long held a special place in the hearts of fine jewelry lovers all over the world.

No matter their origin or specific characteristics, rings are timeless, versatile accessories. They’ve carried deep meaning since at least the Middle Ages, when diamond rings symbolized strength and other kinds of rings were worn to signify romantic feelings or to denote an affiliation with a religious order. Rings have also forever been emblematic of eternity.

Over time, rings have frequently taken the form of serpents, which have long been associated with eternal life, health and renewal. Italian luxury jewelry house Bulgari has become famous for its widely loved Serpenti motif, for example, and its Serpenti ring, like the other accessories in the collection, began as an homage to jewelry of the Roman and Hellenistic eras. The serpent is now a popular motif in fine jewelry. Jewelry devotees have long pined for rings adorned with reptiles, thanks to antique Victorian rings — well, specifically, Queen Victoria’s illustrious engagement ring, which took the form of a gold snake set with rubies, diamonds and an emerald (her birthstone). Designs for Victorian-era engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal.

Engagement rings, which are reliably intimidating to shop for, are still widely recognized as symbols of love and commitment. On 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

The most collectible antique engagement rings and vintage engagement rings are those from the Victorian, Edwardian and Art Deco eras. Named for the monarchies of the four King Georges, who in succession ruled England starting in 1714 (plus King William’s reign), antique Georgian rings, be they engagement rings or otherwise, are also coveted by collectors. Pearls, along with colored gemstones like garnets, rubies and sapphires, were widely used in Georgian jewelry. The late-1700s paste jewelry was a predecessor to what we now call fashion or costume jewelry

The Art Nouveau movement (1880–1910) brought with it rings inspired by the natural world. Antique Art Nouveau rings might feature depictions of winged insects and fauna as well as women, who were simultaneously eroticized and romanticized, frequently with long flowing hair. Art Deco jewelry, on the other hand, which originated during the 1920s and ’30s, is by and large “white jewelry.” White metals, primarily platinum, were favored over yellow gold in the design of antique Art Deco rings and other accessories as well as geometric motifs, with women drawn to the era’s dazzling cocktail rings in particular.

Whether you’re hunting down a chunky classic for a Prohibition-themed cocktail party or seeking a clean contemporary design to complement your casual ensemble, find an exquisite collection of antique, new and vintage rings on 1stDibs.