Antique Square Rings

Antique Men's 0.08 Carat G/VS Single Cut Round Diamond Squared Ring 18k Gold. Very elegant ring with unusual round cornered squares ring.

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

Elegant and finely detailed Edwardian era diamond & ruby square ring crafted in 14 karat rose gold (circa 1900s to 1910s).

A platinum ring set with four old-cut diamonds in a square.

Antique Art Deco Ring 18ct Gold Tested Circa 1920’s Fabulous, Art Deco ring.

Age: Antique Era: Art Deco Era, Circa 1920 Primary Stone: Diamond Primary Stone Weight: Approx. 1.40-Carats Primary Stone Cut: Old European Cut Primary Stone Color: J Color Primary ...

This extraordinary and very rare ring has been crafted in a squared shape in solid rose gold of 14 karats with high polished finish.

Finely crafted in platinum and 18k yellow gold with an Asscher cut Diamond, accenting Emeralds, and a halo of Old European cut Diamonds weighing approximately a total of 0.80 carats....

This exquisite Art Deco ring showcases a stunning old European cut diamond weighing approximately 1.40 carats, set in prongs within a square bezel.

Beautiful white diamond round and blue sapphire square ring. Handmade in 18k white gold. Ring size 3.5.

Vintage square ring with 18 karat yellow gold band, turquoise and diamonds, Italy 1890s-1910s Ring size US 7

The square ring head holds a round brilliant cut diamond.

Ring is approximately size 7. Square ring top measures 0.57 inches (14.5 mm) in width and length.

Gender: Ladies  Metal Type: 850 Platinum Ring Size: 5 Width: 3.80 mm tapering to 1.75 mm Weight: 2.47 grams One ladies 850 platinum five-across quartz antique band with a half-r...

Antique Sapphire Ring 18ct Gold & Platinum Stamped Circa 1900 Makers Mark F H L This exquisite Edwardian ring features a stunning, square-cut pale blue sapphire that is elegan...

This antique square-shaped ring, likely dating to the late Georgian to early Victorian period (circa 1820s-1840s), features a bezel-set, square-cut Colombian emerald in a closed-back...

Experience timeless elegance with this beautiful vintage emerald and diamond ring. Crafted with 14k yellow gold, this ring features a square cut emerald weighing approximately 0.80 c...

A Byzantine bronze ring with dynamic diagonal line patterns and square edge accent.

Ring Width: 2.4mm (0.09") Ring Height: 2.2mm rise off the finger Condition: Antique Art Deco.

This striking Art Deco inspired square target ring captures the bold geometry and refined contrast that define the glamour of the 1920’s.

A stunning antique diamond cluster ring... The square shaped panel head is set with 3.13 carats total of old cut diamonds- super sparkly, bright and white.

A platinum ring set with four old cut diamonds in a square each set in a mille griffe border with on each side a sloped triangle set with three diamonds (app. 0.7 carat), with a beau...

Age: Antique Era: Art Deco Era, Circa 1920 Primary Stone: Emerald Primary Stone Weight: 0.77 Carats Primary Stone Cut: Square Cut Secondary Stone: Diamonds Secondary Stone Weight: ...

Antique Square Engagement Ring 18ct Gold Stamped Circa 1910 Pretty Little Deco Diamond Engagement Ring.

The setting measures 6.5 mm / .25 inch square. This stylish and classic diamond ring is circa 1920s.

Antique Square Engagement Ring 18ct Gold / Platinum Stamped Circa 1920 Pretty Art Deco Diamond Engagement Ring.

Antique Diamond Ring 18ct Yellow Gold & Platinum Tested Circa 1910 Introducing a stunning piece from the Edwardian era, this fabulous square-shaped ring features approximately 2...

Ring Width: 9.7mm (0.38")(top of the ring, north to south), 1.7mm (bottom of the shank) Ring Height: 4.9mm rise off the finger Condition: Antique, art deco.

Elegant Finely detailed Vintage Art Deco Diamond Gold Square Top Cocktail Ring. Securely Hand set with .85tcw Diamonds.

The ring features natural square cut rubies going around the entire band.

There are square cut rubies going around the entire ring and the sides of the ring are plain.

This Art Deco square cluster ring exudes the style and design of the era.

The ring has natural sapphires going around the entire ring and sits low on the finger.

Ring Size: 6.5 This stunning Art Deco-era Cartier engagement ring features a striking 4.64 carat square emerald cut diamond at its center, set in a crisp, high-polish platinum sett...

You will truly "go green" with this extraordinary AGL and Gubelin certified Colombian untreated 2.78 carat square cut emerald ring attributed to the most ancient of mines.

Antique Sapphire and Diamond Target Ring 18ct Gold Circa 1910 Step back in time with this stunning Edwardian-era ring, beautifully crafted in 18ct gold.

This ring features natural square cut rubies going around the entire ring in a channel setting.

Vintage Engagement Ring 18ct White Gold Stamped Hallmarked Birmingham 1938 Makers Mark G P Behold this exquisite vintage 18ct white gold engagement ring adorned with a stunning ...

Beautiful Vintage Estate 14K White Gold Square Cut Sapphire Eternity Wedding Band. This wedding band is crafted in 14K white gold and has square cut blue sapphires going around the e...

The tiger's eye is luminous with warm golden hues visible with every movement of the ring. The square mount has a low profile and rises 6.5mm from the finger (0.25 inches).

Beautiful Antique Art Deco Platinum Square Cut Sapphire Eternity Band. This incredible wedding band is crafted in platinum and has large square cut sapphires going around the entire ...

Here we have a charming eternity ring originally dating back to the Georgian period.

Georgian Gold Carnelian Swivel Ring sweet carnelian ring which swivels round! The item comes without the box in the photos but will be presented in an Howard’s Antique gift box ...

Antique Emerald & Diamond Shield Ring in Platinum This antique ring is crafted in 900 platinum and features green emeralds totaling 0.40ctw, arranged in a shield-style design wi...

Antique Emerald & Diamond Shield Ring in Platinum This antique ring is crafted in 900 platinum and features a striking shield-style design with richly colored green emeralds tot...

Here we have a striking cocktail ring crafted from platinum during the Art Deco movement.

A rare, beautiful and magical Stuart Crystal Ring set in 15 Kt gold and backed in sterling silver. Before I say more please understand that none of the impurities shown in the photog...

This stunning platinum ring features a captivating 2.93-carat tourmaline accented by 0.09-carat diamonds, creating a sophisticated and timeless design. A perfect choice for engagemen...

This stunning antique square cut ring is perfectly suited to an engagement, this ring is equally fitting for anniversary celebrations or a renewal of vows.

Condition: Used (Very Good) Weight: 3.5 grams Ring Size: Q (58) Band Width: 1.5mm Face Dimensions: 23mm x 10mm Ruby Dimensions: 52 (1mm) Total Old Cut Diamond Weight: Approx. 1.00ct ...

Antique Aquamarine Ring Platinum Circa 1920s Step into the elegance of the 1920s with this stunning Art Deco ring, expertly crafted from platinum.

Here we have an Art Deco ring showcasing a striking geometric design. At the centre, a square-cut red ruby is prominently set, surrounded by a series of perfectly matched triangular ...

Here we have a wonderfully unique dress ring crafted during the Art Deco movement. Fashioned from 18ct white gold, the centrepiece features a vertical arrangement of vibrant green sq...

A substantial antique signet ring crafted in 18KT yellow gold, set with a cushion-shaped carnelian intaglio carved with a detailed heraldic coat of arms. The warm, translucent orange...

A striking Art Deco emerald and diamond ring, centred on a certified 3.31 carat Colombian emerald of vivid green hue, framed by two concentric octagonal borders of sparkling old-cut ...

A beautiful Victorian ring hallmarked in Chester England in 1888. The ring is centered with a richly colored rectangular step cut garnet framed by a halo of split pearls, and accent...

This eternity band holds 35 rubies and each measure approx 5pts. Modelled in platinum. Ring Size: R or 8 1/2 Band Width: 2.5mm Weight: 2.7g