Square Cut Rings

Ruby & Sapphire Reversible Ring Platinum Circa 1910s Introducing our exquisite Edwardian era flipover ring, a stunning example of craftsmanship and design from the early 20th ...

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

ϟiignet Ring for Men in solid 18K Yellow Gold decorated with natural Blood Stone rectangular cut and polished 15 x 11 mm x 3 mm deep/ about 7 ct . Swedish ring, hallmarked 18K, G (G...

Signet Ring in solid 14K Yellow Gold with plain divided shoulders and bezel set Blood - stone, color is dark Green color with red dots, measures 11mm x 10.5mm x 2.7mm deep / ca. 5ct ...

What a gorgeous and unique ring this is. The ring is looks to be handmade but I am not certain of that. I have never seen a ring like it. It does remind me of Robert Trisko...

A Ring decorated with Egyptian Scarab Beetle accented with lotus leaves on the shoulders in solid 18K Yellow Gold. Set of Egyptian hallmarks ca. 1960s -1970s , hallmarked 18K in Ar...

This bold ring centers a 1.68ct square‑cut citrine—a gemstone prized for its honey‑gold brilliance and clean architectural geometry. The citrine is elevated in a classic four‑prong s...

This is a vintage rectangle signet ring crafted in 14K gold. The piece features carnelian. Circa 1960. Signed with “585” Weight: 4.22g Size: 18.75 (US 8.75) IMPORTANT: please ask ...

ϟiignet Ring for Men in solid 18K Yellow Gold decorated with natural black Onyx stone stone rectangular cut and polished 14 x 12 mm x 2 mm deep/ about 5.5 ct . Made ca. 1950s -1960...

A clean, modern three‑stone design in polished sterling silver, set with 2.40 carats of square‑cut garnets. The larger center stone delivers a rich, wine‑red focal point, framed by t...

This dazzling emerald and diamond ring is crafted in 925 sterling silver, showcasing a striking arrangement of square cut emeralds in mixed sizes. With a total gemstone weight of 0.8...

ϟigar band Ring for Men or Women (if the size is right) in solid 18K Yellow Gold decorated with beautiful ornament.Band is 14 mm at widest - 4mm at most narrow part. Swedish ring, c...

This sterling silver ring centers a beautifully saturated 1.60‑carat square‑cut amethyst, uniquely set on its side, its royal purple hue glowing with crisp, architectural precision. ...

ϟiignet Ring for Men Art Deco styled in solid 18K Yellow Gold decorated with natural Jade stone stone rectangular cut and polished 16 x 12 mm x 2.6 mm deep/ about 5.5 ct . Swedish...

ϟiignet Ring for Men in solid 18K Yellow Gold decorated with natural black Onyx stone stone with slightly convex rectangular cut and polished 12 mm x 10 mm x 2.75 mm deep/ about 4 c...

A very stunning and gorgeous, modern style, Emerald & Pink Sapphires Cocktail Ring set in 18K Gold & natural Diamonds. The weight of the Emerald is 10.82 carats. The Emerald is comp...

This ring features emerald and ruby gemstones totalling 1.94 carats, accented with 0.46 carats of diamonds, all set in 925 sterling silver. Each 2 mm round gemstone is finely arrange...

ϟignet Ring in solid 18K Yellow Gold decorated with natural Carnelian stone rectangular cut and polished 9 mm x 8 mm x 2.2 mm deep / about 2.75 ct. Note the intricate hand - engraved...

TIFFANY & Co. Platinum .40ct Lucida Diamond Engagement Ring 4.75 Metal: Platinum Size: 4.75 Weight: 4.30 grams Diamond: Tiffany Lucida cut diamond, carat total weight .40, H color, ...

TIFFANY & Co. Classic Platinum Lucida Diamond 6mm Wedding Band Ring 12.5 Metal: Platinum Size: 12.5 Band Width: 6mm Weight: 19.30 grams Diamond: One Tiffany Lucida cut diamond, ca...

This striking wide‑band ring showcases a bold architectural profile built around 2.20 carats of square‑cut blue sapphires, arranged in three protruding central rows that create depth...

ϟignet Ring in solid 18K Yellow Gold decorated with natural black Onyx stone rectangular cut and polished 12 mm x 8.5mm x 2.6mm deep / about 3.5 ct. Initially designed for men but c...

A striking study in color, precision, and architectural elegance, this 18K gold band showcases the refined craftsmanship and bold design language of contemporary high jewelry. At its...

An enchanting Victorian era ring (circa 1850), set with a unique arrangement of opals, emeralds, and rubies, all mounted in 15 karat gold. The combination of gemstones creates a rich...

Art - Deco styled Ring in solid 585 Yellow Gold decorated with bezel set natural old European cut Diamond : Ø2 mm / ca. 0.04ct / F,G / VS embedded into the center of claw set Black...

ϟignet Ring - adorned with bezel set polished natural high grade Jade stone with flat surface polished to high gloss 15 mm x 13mm x 2.7mm deep / ca 11 ct European,ca. 1960s -1970s ....

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...

An elegant Tiffany & Co. True® solitaire engagement ring, crafted in platinum and centered with a Tiffany 3.26 carat True™ Cut cornered square radiant brilliant cut diamond. The...

ϟiignet Ring for Men in solid 18K Yellow Gold decorated with natural black Onyx stone stone transitional rectangular cut and polished 15 x 12 mm x 2.3 mm mm deep/ about 4.5 ct . Swe...

ϟiignet Ring for Men in solid 18K Yellow Gold decorated with natural black Onyx stone stone rectangular cut and polished 15.5 x 11,5 mm x 2.4 mm mm deep/ about 4.5 ct . Crown part is...

This striking, authentic Retro-era ring features a spectacular square-cut Brazilian aquamarine. The faceted gemstone measures approximately 12.2mm x 12.1mm, with an estimated weight ...

Vintage Cocktail Ring 14ct Gold Tested Circa 1940s This vintage cocktail ring is a stunning piece of jewellery that is bound to turn heads. It is crafted from 14ct yellow gold and...

Poison Ring in solid 18K Yellow Gold with crown being a hidden compartment 13 mm x 11 mm x 5.5 mm deep covered with secure and tight hinged lid decorated with rose cut Garnet. Unisex...

A sleek modern band crafted in 18k white gold, channel‑set with approximately 1.00 carat of square‑cut natural emeralds. The stones are beautifully matched for color and clarity, for...

Aquamarine and Diamonds Ring in solid 18K White Gold. Fine emerald /step cut natural Blue Aquamarine measuring about 12.85 mm x 8.86 mm x 7.15 mm deep / ca.7ct The stone is of vivi...

This refined 925 sterling silver band ring features a sleek channel-set row of natural square 2.5x2.5 mm emeralds, framed on each side by sparkling 1.5x1.5 mm square diamonds for a s...

Signet Intaglio Ring in solid 18K Orange / Rose / Red Gold with bezel set fine intaglio on Red Onyx depicting Greek Ares (Roman Mars ) - God of War and also an agricultural guardian....

Colombian Emerald and Diamond Ring in 18K Yellow Gold. The ring features a 3.54ct GIA certified Colombian Emerald, accented by approximately 1ctw of trillion cut diamonds (Color H-I,...

This contemporary 925 sterling silver ring showcases a sleek crossover design, beautifully accented with vivid natural emeralds and sparkling diamonds. Channel-set square emeralds 1....

A clean, modern sterling silver band set with a 1.10ct square‑cut amethyst, its vivid purple framed by white quartz accents for crisp contrast. The polished 925 silver setting gives ...

ϟiignet Ring for Men in solid 18K Yellow Gold decorated with natural black Onyx stone stone rectangular cut and polished 15 x 12 mm x 2.56 mm deep/ about 5 ct . Swedish ring, hallm...

--Stone(s):-- (1) Natural Genuine Tourmaline - Square Cut - Claw Prong Set - Watermelon Bicolor - 8.3x8.3mm (approx.) - 4.60ct (exact) (2) Natural Genuine Diamonds - Long Baguette Cu...

This modern 925 sterling silver ring showcases an interlocking wave design, channel-set with deep blue natural sapphires for a sleek, continuous ribbon of color. Thirty-six square sa...

This striking 925 sterling silver ring pairs vivid natural emeralds with cool blue sapphires in a modern, geometric design. Four square 2.5x2.5 mm emeralds form a bold central cluste...

--Stone(s):-- (8) Natural Genuine Sapphires - Square Step Cut - Prong & Channel Set - Rich Vibrant Blue Blue Color - 3mm each - 0.96ctw (approx.) (7) Natural Genuine Diamonds - Assch...

The deep red carnelian is complimented perfectly by the 9ct yellow gold in this signet ring. Fully hallmarked Birmingham 1963. Ring Size: W or 11 Stone Dimensions: 12x10mm Height...

A gorgeous luxury Neo-vintage band ring that is both suitable for all sexes. This ring has beautiful highly saturated colors of 2 squared green emerald, 2 squared blue sapphires and ...

This elegant ring from Silvorra is finely crafted in 925 sterling silver, featuring a natural square-cut aquamarine gemstone measuring 6 mm and weighing 1.28 carats. The serene blue ...

A Ring in solid 18K Orange toned Yellow Gold with wide shoulders decorated with bezel set square cut lab made Green Spinel measuring 9 mm x 9 mm x 4.5 mm deep / about 6 ct. The stone...

This Statement Blue Sapphire Diamond Wedding Band Ring elegant sterling silver ring highlights the beauty of natural gemstones with 0.48 carats of blue sapphires and 0.14 carats of d...

Vintage Emerald & Diamond Ring 18ct Gold Circa 1940s This stunning 18ct yellow gold ring features an exquisite five-stone design, showcasing square-cut natural emeralds beautiful...

The gorgeous aquamarine stone in this ring is bright and has diamonds set either side. The aqua measures approx 20carat and the floral detailed diamond shoulders total 26pts per side...

Indulge in the extraordinary beauty of our Natural Fancy Light Yellow Diamond Ring. This exceptional piece showcases a dazzling 2.09 carat VS1 natural fancy light yellow diamond, exu...

Stylish contemporary sapphire & diamond square cocktail ring crafted in 18 karat white gold. The invisible setting is a complex technique of cutting gemstones to fit very clos...

This Sleek Emerald Half Band May Birthstone ring made in 925 sterling silver, This elegant band features 0.91 carats of natural emeralds in a sleek channel setting, The vibrant green...

Tiffany & Co. Platinum 1.19 ct Lucida Square Brilliant Cut Diamond Solitaire Engagement Ring. The ring weighs 5.1 grams, size 3.75 (can be resized to a larger size), the center s...

This Handmade Pink Ruby Half Eternity Band for Promise Ring 925 sterling silver band ring, adorned with genuine natural pink rubies totaling 1.07 carats. The beautifully faceted rubi...

ϟiignet Ring for Men in solid 18K Yellow Gold decorated with natural black Onyx stone stone rectangular cut and polished 13 x 10 mm x 2.8 mm deep/ about 4.5 ct . Swedish ring, hall...

Natural lapis lazuli square tablet is bezel-set in an 18K yellow gold men's signet ring featuring deeply hand-engraved floral and foliate scrollwork across the full tapered shoulders...

Oscar Heyman 18k yellow gold band ring contains 30 square sapphires weighing 2.21 cts. The sapphires extend around the whole ring. The ring is 2.75mm wide and is stamped with the makers mark, 18K, and serial number J4338. It is a classic design that fits comfortably on the finger and looks nice on its own or stacked with others. This band comes in an Oscar Heyman pouch. Size 5.5. This ring cannot be re-sized, however, additional sizes, widths, and stone colors are available by special order. Pricing will change. Oscar Heyman was founded in 1912 and became known as the 'Jewelers' Jeweler'® for creating pieces for Van Cleef & Arpels, Cartier, and Tiffany & Co. Oscar Heyman jewelry is and always has been made in New York City at the company's own factory. Guard rings are die struck in the company's tool and die shop...