Square Cut Jewelry & Watches

These square-form earrings gather tourmaline, topaz, and amethyst in an abstract, asymmetric composition — square, baguette, trillion, and pear-cut stones interlocking like confetti ...

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...

ϟigar band Ring Neoclassical or Empire styled, for Men or Women ( if the size is right ). Solid 18K Yellow Gold wide band decorated with hammered floral ornaments. Band is 17 mm at ...

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...

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...

Antique Drop Earrings 18ct Gold & Silver Circa 1880 Timeless elegance meets antique charm with these exquisite Victorian drop earrings, beautifully crafted in 18ct yellow gol...

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...

Vintage Eternity Band 18ct White Gold Stamped Circa 1940s Step back in time with this exquisite 1940s eternity ring, expertly crafted in 18ct white gold and adorned with approxim...

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 ...

This elegant tennis bracelet is set with 46 square cut natural blue sapphires totaling 13.73 carats, crafted in 925 sterling silver. The 3.6 mm gemstones are arranged in a continuous...

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 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...

Quadrillion Ambar Wrist Watch 8.71cttw Diamond MSRP $56,000 Serial Number 1 Features 8.71cttw of Genuine Natural Mined D-E / Flawless-VVS Diamonds MSRP $56,000 The Genius of Be...

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...

Bochic “Capri” Vintage Diamond & Tourmaline Earrings - 18K Gold & Silver From the “Capri” collection Natural Multi Color Tourmalines 24,60 carats Fancy shapes Natural Diamonds,...

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...

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...

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 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 ...

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...

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...

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...

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 ...

Impressive estate Tiffany & Co. Ruby 18K yellow Gold Atlas Hoop Earrings 20th Century Tiffany & Co. iconic Atlas collection explores the significance of time. Inspired by the...

These earrings are so elegant. Each earring has a 6.3 mm Square Faceted Blue Topaz stone. Each stone is 1.60 carats. They are surrounded by beautiful brilliant cut diamond in a fil...

14k red gold band ring set with garnet - ring size U.S. 6 - EU. 16.5 (52) detailed description the front of the ring is 1.3 cm wide ring size U.S. 6 - EU. 16.5 (52) weight : 9.3 ...

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 gorgeous 2.68 carat natural emerald and diamond tennis bracelet is crafted in 925 sterling silver showcases a continuous line of square cut emeralds, accented by 0.55 carats of ...

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...

This is a Yellow Gold Bezel-Set Square Emerald Eternity Band featuring a bold geometric design with independent gemstone frames. Details:- Item Code :- RIMJ-1080 EM Material - 14K S...

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...

This is a vintage rectangle signet ring crafted in 14K gold. The piece features carnelian. Circa 1970. Signed with “585” Weight: 8.46g Size: 21 (US 11.5) IMPORTANT: please ask abo...

A timeless estate tennis bracelet showcasing vivid dark blue sapphires and brilliant diamonds in a refined platinum setting. Beautifully crafted, it offers classic sophistication and...

These convertible platinum earrings with sapphires and diamonds reinterpret Art Deco geometry through a contemporary lens. Vivid square‑cut sapphires are adorned by pavé‑set diamonds...

Elegant and vibrant, these 18k white gold hoops feature 1.00 carat of squared rubies accented by 0.04 carat of round diamonds. The clean geometric ruby line creates a striking pop of...

A sleek and modern 18k white gold channel‑set band showcasing 1.20 carats of square‑cut blue sapphires, arranged in a seamless architectural line of vivid color. Each sapphire is pre...

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 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. ...

Overview A refined balance of geometry, color, and craftsmanship, these 18k white gold omega‑back earrings showcase a modern squared silhouette anchored by a vivid 0.50ct total wei...

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...

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 ...

Edwardian Style Emerald and Diamond Pendant & Chain. A bright neon green and lovely .85 carat emerald (7mmX3.65mm), set in a yellow gold bezel and surrounded by a round frame of Swiss-cut 12 diamonds. Total diamond weight - .60 carat (color I/J; clarity VS/SI1). Hand fabricated in platinum over 18K gold tested, Chain is added and fabricated later in 18K white Gold hallmarked 750; with small 4 emeralds and 4 diamonds; length measures 52cm. Edwardian Style (1901-1914). Measures: Chain length 20 1/2 inches...

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 ...

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...

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...

These striking 3.34 carats geometric stud earrings are crafted in 925 sterling silver and showcase a sophisticated arrangement of square cut natural rubies measuring approximately 2 ...

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...

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 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 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...

This elegant bracelet features a vibrant combination of 4.85 carats of emerald, ruby, and sapphire gemstones and is crafted in 925 sterling silver with a bezel setting. A total of 76...

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...

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...

Elegant and timeless, this 14K white gold sapphire band ring showcases a sleek design highlighted by vibrant square-cut gemstones. Crafted for effortless sophistication, this ring of...

Crafted in solid 18k gold, these sleek hoops feature 1.00ct of squared emeralds in a clean channel setting, accented with 0.02ct of round brilliant diamonds for a crisp, refined spar...

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...

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...

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...