Square Cut Rings

Sapphire Deco Ring 18ct Gold & Platinum Stamped Circa 1920s Step into the elegance of the Art Deco era with this stunning 18ct gold original ring. Featuring a subtle octagon...

Antique Sapphire and Diamond Ring 18ct Gold Stamped Circa 1910 This exquisite Edwardian ring showcases a stunning rectangular design that elegantly spans across the finger. Set i...

Antique Emerald Ring 18ct Yellow Gold & Platinum Stamped Circa 1910 Step into the elegance of the Edwardian era with this exquisite 18ct gold ring. At its heart lies a stunnin...

This size 10.5 circa 1920s French 18K yellow gold ring is a sleek, timeless classic. Suitable for either a man or woman, this gypsy-style ring features three stones: a pair of diamon...

Signet intaglio Ring with " W " or "M" letter engraved on natural dark orange colored Carnelian stone measuring 11mm x 9mm x 2.8mm deep / ca. 4.5 ct. Well done hand carving that make...

A sleek 925 Sterling Silver band ring featuring 1.03 carats of square cut Amethyst gemstones, arranged in a refined channel set design. The seven 3 mm Amethyst gemstones display rich...

A distinctive spinner eternity ring featuring 3.82 carats of square cut Emerald and Blue Topaz gemstones, each measuring 2 mm. Designed with a rotating front, the ring can be turned ...

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...

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 ...

A bold expression of craftsmanship and contrast, this 18K white gold band ring features a central row of square-cut natural blue sapphires, precisely channel-set for a clean, geometr...

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...

A sleek contemporary band crafted in 18k white gold, set with 0.55ct of square‑cut rubies and 0.03ct of round brilliant diamonds. The alternating pattern creates a clean, architectur...

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 ...

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...

MUNSTEINER 18k yellow gold ring set with ruthile and square-cut diamond total 0.10ct – F/G – VS/SI – 22.0 grams - ring size U.S. 6.5 – EU. 17(53) detailed description: The top of t...

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...

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...

Mens Diamond Ring Vintage Pre-owned great condition. Natural Diamonds square cut and Invisible setting. 14k White Gold approx 14.4 grams Finger size: 10.5 (NOT resizeble ) design ar...

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 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...

Square-Cut Garnet Architectural Silver Cocktail Ring. Contemporary Garnet Silver Designer Ring. Men’s Garnet White Topaz Silver Ring A bold statement ring crafted from silver with g...

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...

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...

A sleek study in symmetry and saturated color, this 18k gold channel‑set band ring features a vibrant procession of ten square‑cut emeralds (0.70 carats total) punctuated by two squa...

A fine signed gold, diamond, and ruby half eternity band ring. By Tiffany & Co. In 18 karat yellow gold. With alternating channel set square cut diamonds and rubies to the top an...

The deep red carnelian is complimented perfectly by the 9ct rose gold in this signet ring. Fully Hallmarked London 1966. Ring Size: V or 10 1/2 Stone Dimensions: 10x9mm Height Off...

A row of old mine-cut diamonds glow within a vivid border of square emeralds, creating a richly contrasted, elongated design. Set in yellow gold with a silver-topped setting, this ...

Discover Erica Courtney’s 18K Yellow Gold Spessartite Garnet and Diamond Ring, a statement piece centered by an incredibly rare 45.47-carat Spessartite Garnet. Fiery deep red, orange...

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 ...

This designer 1.43 Carats emerald and diamond infinity ring is crafted in 925 sterling silver, showcasing a sleek elongated silhouette with contemporary geometric styling. Featuring ...

A sleek sterling silver band set with three squared amethysts totaling 1.20ct, accented by bright CZ stones for added sparkle. The geometric layout gives the ring a clean, modern pro...

Oscar Heyman 18k yellow gold ruby calibre band ring contains 35 square rubies weighing 1.48 cts. The rubies extend around the whole ring. The ring is 2.5mm wide and is stamped with the makers mark, 18K, and serial number G9716. It is a classic design that fits comfortably on the finger. It pairs nicely with other bands as well and would mark an anniversary well. This band comes in an Oscar Heyman pouch. Size 6.25. 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...

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...

Stylish gemstone & diamond cigar ring (circa 1970s to 1980s) crafted in 14k yellow gold. 28 diamonds total an estimated 0.14 carats (estimated at I-J color and SI1-I1 clarity). Squ...

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...

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...

A bold vintage sterling silver bombe band set with approximately 2.95 carats of squared pinkish‑red rubies arranged in a geometric mosaic across the domed surface. The vivid rubies a...

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...

Square-Cut Blue Topaz Architectural Silver Cocktail Ring. Contemporary Blue Topaz and Silver Designer Ring. A bold statement ring crafted from ssilver with gold plating and set with...

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...

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. ...

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...

A refined Retro-era, Edwardian Revival ring dating to 1940–1948, featuring an elongated navette-shaped arrangement with a square step cut emerald and old European single-cut diamonds...

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...

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...

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...

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...

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 late Georgian / early Victorian 18K rose gold ring holds a rectangular-cut deep brown sardonyx gemstone that has been artfully carved -or etched, rather- to depict a horse trott...

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....

Wonderful, large Art Deco Lapis and Turquoise Cocktail Ring from the late 1930's. A large toggle shaped natural matrix turquoise is set into calibre cut lapis lazuli shoulders with a...

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...

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...

This Blue Topaz Ring features a striking square blue topaz accented by brilliant diamonds and French cut blue sapphires. Inspired by classic Art Deco Ring designs, delicate milgrain ...

The deep red carnelian is complimented perfectly by the 9ct rose gold in this signet ring. Fully Hallmarked London 1984. Ring Size: M 1/2 or 6 1/2 Stone Dimensions: 13x11mm Height...

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...

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...

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 ....