Square Cut Brooches

An attractive brooch from the Art Deco Era shows the geometry typical of the period. It was made in Germany by a jeweler named Wachenheimer. The brooch would look striking on a lapel...

Here we have a stunning piece from the world renowned luxury jewellery house of Cartier. This chic brooch come pendant has been crafted from a rich 18ct yellow gold into the shape of...

A charming creation from Cartier, this sculptural elephant brooch evokes both strength and grace — a recurring symbol in the house’s mid-century designs celebrating nature’s majesty....

A sophisticated study in line and movement, this 1950s brooch is composed as a flowing ribbon of carré-cut diamonds and vivid red rubies, each row precisely aligned to create a sens...

Ruby 18.46 carats, Diamond 2.08 carats, Cabochon Ruby 0.46 carat with Cabochon Blue Sapphire 0.29 carat Brooch set in 18 Karat Gold Setting Width: 3.7 cm Length: 7.0 cm "Since w...

This magnificent antique bow pin brooch was crafted in solid platinum during the art deco period. It is adorned with with large and fine quality...

This design brooch we intent for everyday use as simply elegant. So you can pin many occasions. It looks not too much but it looks classic and precious. We use the top quality ruby w...

Finely crafted in platinum with a Square cut Diamond at the center weighing approximately 1.00 carat, smaller Square and Old European cut Diamonds weighing approximately a total of 7...

This vintage 13k white gold circle brooch features a crisp open form set with alternating sections of sapphire and diamond. Square-cut sapphires bring deep blue color around the circ...

An emerald, diamond and onyx Art Deco brooch, ca. 1920, in platinum. The facetted square emerald weighs 2.14 carats and is of Colombian origin. It has an old mine vivid green colour...

This enchanting brooch is meticulously crafted, featuring a stunning array of vibrant gemstones. The body of the dragonfly is elegantly adorned with a rich emerald, while its tail sp...

A stunning floral brooch in 18k yellow gold, the broad five-petal blossom face mystery-set with calibré-cut blue sapphires in a continuous invisible-set. As a result, there is no pro...

Vintage French made Exquisite Rose flower Brooch Pin Circa 1970's 18k White Gold Approx 30 grams Natural Diamonds Round and Baguettes G-VS Natural Square Ruby approx 6-7 carat AAA Un...

Open Mouth Fish Brooch / Pendant Set With Diamonds, Ruby , Sapphire, Emerald Attached to the jewel is a hinge to be used as a pendant when wanted. Diamonds: 133 brilliant cut diam...

18 karat yellow gold bee brooch. This lovely brooch is beautifully designed with a body of invisibly set rubies and a South Sea pearl. The wings and head are composed of round brilli...

A stunning, fine and impressive vintage 1.75 carat aquamarine, 1.38 carat diamond, 18 karat yellow gold and palladium spray brooch; part of our diverse 1950s vintage brooch collectio...

This French Art Nouveau brooch, circa 1890–1910, is an exquisite representation of the movement's focus on fluid, botanical forms. Crafted in...

A pair of Retro scroll design gold clip brooches set with square-cut sapphires and round diamonds, in platinum and 18k. Signed Boucheron, Paris.

This intricately designed pavé-set diamond flower brooch with extending calibré-cut sapphire undulating petals comprises of approximately 40ct of square cut, invisible set sapphires ...

Pre owned vintage estate 18K yellow gold deep intense blue sapphire bee pin. The body of the bee has 39 invisibly set square cut blue sapphires with an a...

This vintage Ruby label pin is a refined and elegant accessory, crafted in 14 karat white gold. Showcasing a beautifully proportioned design, the pin features a vibrant ruby measurin...

This brooch features a leaf design adorned with a single square-cut green emerald and multiple round white diamonds. Stone Info: 1x Emerald ~0.16ct 60x Diamonds VS1/G ~0.04ct/ea To...

A fascinating antique brooch dating to 1890–1900, centered with a finely carved orthoclase moonstone depicting a pharaoh, accented by sweeping gold wings and serpents. The luminous m...

This vintage brooch is a graceful and highly decorative piece, combining 2.42 carats total weight of amethyst with the timeless softness of pearls in a warm 14k yellow gold setting. ...

Victorian bar pin with calibre set turquoise in 14k gold. Nice Etruscan work decoration. 1880's USA. Excellent Condition. Length 2 3/16" x Width 5...

--Stone(s):-- (6) Natural Genuine Ruby - Square Step Cut - Channel Set - Pinkish Red Color - Most Likely Burma Origin - 2.4mm each (approx.) Material: Solid 14k Rose & Green Gold To...

Designed as a fanning shell with grooved fluted texture featuring channel set square step-cut rubies Weighing approximately 0.70 carats - transparent medium purplish red in color Acc...

The perfect brooch for 2020. Our American flag brooch set with round brilliant diamonds and square cut rubies and sapphires. the brooch measures approximat...

A stunning, fine and impressive French 1.70 carat emerald and 0.39 carat diamond, 18 karat yellow gold and platinum set brooch; part of our diverse gemstone jewelry and estate jewelr...

Tiffany & Co. 14K Gold Ruby Bow Clip Earrings & Brooch Marked: TIFF & Co. 14K Approximate Dimensions: Earrings 2.6 cm (Length) 1.2 cm (Width) Approx.0.48 carat (Ruby) 7.1 grams ...

Era: Art Deco Date: 1920s - 1930s Metal Content: Platinum & 14k Yellow Gold Stone Information Natural Sapphire Treatment: Heating Carat(s): .15ct Cut: Square Step Color: Blue ...

Beautiful Antique Art Deco Platinum Yogo Gulch Sapphire Old Euro Diamond Bar Pin - GIA. This incredible Art Deco Yogo sapphire bar pin is crafted in platinum. The pin features twelve...

Finely crafted in 18k white gold with invisible set Rubies weighing approximately a total of 22.00 carats, as well as Round Brilliant and Square cut Diamonds weighing approximately a...

--Stone(s):-- Numerous Natural Genuine Sapphires - Square Step Cut & Calibre Cut - Mystery Invisible Set - True Royal Blue Color (11) Natural Genuine Diamonds- Round Brilliant Cut - ...

Important double clips in 18k yellow gold from the Retro period, ca. 1940s. These collectable clips were made by Boucheron Paris in a very dynamic design with sapphire baguettes and ...

This geometric, square-shaped pin features a central grid of sixteen square-cut, pale pinkish-purple amethysts enclosed by a sparkling border of pavé-set white diamonds, accented wit...

Fancy cut white diamonds are border with fine natural sapphires and rubies. A spectacular long brooch with fine well matched and well cut stones. The 34 diamonds weigh an estimated 3...

This outstanding Collectable flower brooch pin was designed by Sabbadini, Italy. It is handcrafted in solid 18K yellow gold weighing approx. 69.9 grams. It features a flowerhead desi...

18 karat yellow gold frog brooch beautifully set with 0.81 carats of invisibly set square cut tsavorites and 0.80 carats of round diamonds. The eyes are cabochon rubies. The frog mea...

An Edwardian peridot and diamond brooch, of quatrefoil design, centered with a square-shaped peridot within a foliate scroll surround set with old ci...

An antique Russian emerald and diamond dragonfly brooch, the body a square-cut emerald with estimated weight 0.6 carats, the tail set with twelve emeralds and four diamonds, the wings and legs set with old-cut and rose-cut diamonds, the eyes a pair of cabochon-cut rubies, estimated total diamond weight 4 carats, all set in silver and yellow gold, with gold brooch fitting, bearing Russian hallmark, circa 1910, measuring approximately 5.5x7cm, gross weight 13.3 grams. This brooch is in very good condition. Unmarked, tested as 18ct gold and silver with 14ct brooch fitting . This beautiful Antique Russian brooch...

Retro classic 18k gold brooch by Boucheron Paris, set with invisible set sapphires and approx. 0.80ctw G/VS diamonds. Brooch measures 1 3/8" x 0.75". Mar...

vintage sapphire pin 0.20ct natural sapphire 52mm x 8mm 14kt white gold 2 grams

Exceptional Victorian Etruscan Revival Micro Mosaic Swan Brooch Depiction of two playful swans floating in water amongst flowers and foliate entirely...

Tsavorite 11.74 carats, Ruby 30.54 carats, Blue Sapphire 4.05 carats, Diamond 2.03 carats Brooch set in 18 Karat Gold Settings Width: 3.2 cm Length: 10.2 cm "Since we first opene...

This charming insect brooch from the Haruni Vaults is handmade in 18k yellow gold with vibrant tsavorite garnets forming the body, pave-set sparkling diamonds in the wings, and round...

Started in the 1940's Sabbadini of Italy is known throughout the world for their artisinal excellence and creative design. Their creativity shines in this 18 karat yellow gold lady bug brooch...

A ruby and diamond 18k yellow gold clip by VCA from the retro period, 1950s. It has fine round brilliant solitaire diamonds, weighing approximately 3 carats, and ruby carrés. The cli...

Emerald 4.24 carats, Ruby 15.01 carats, Blue Sapphire 10.3 carats, Diamond 1.39 carats with Cabuchon Ruby 0.16 carat Brooch set in 18 Karat Gold Settings Width: 6.5 cm Length: 4.8 c...

A striking example of bold, sculptural design, this TIFFANY & CO. brooch is crafted in richly polished 18K yellow gold, forming a dramatic, stylized silhouette with clean, modern lin...

Adorable platinum bird brooch by Oscar Heyman, set with carved ruby, enamel accents and approx.0.85ctw FG/VS diamonds. Brooch measures 1 3/16" x 7/8". Hallmarked 980 91 serial number...

Vintage 18K White & Yellow Gold Mystery (Invisible) Set Ruby & Diamond Clover Brooch, Circa 1950s This vintage ruby and diamond clover brooch showcases one of jewelry's most extraor...

Circa 1960s Oscar Heyman Platinum Circle Brooch, set with Round Brilliant cut Diamonds totaling 1 Carat and Fine color French cut sapphires. The brooch measures 1 3/8 inch in diameter.

Platinum Sapphire and Diamond Filigree Brooch/Pin JAGi Certified- This stunning brooch features 5 square cut natural blue sapphires and 20 round cut diamonds set in ornate filigree ...

A stunning, fine and impressive antique 3.19 carat natural emerald, 4.38 carat diamond and pearl brooch in 18 carat white gold; part of our diverse emerald jewelry/jewelry collection. This stunning, fine and impressive antique diamond and emerald brooch has been crafted in 18k white gold. The tapering, organic influenced brooch setting displays a feature 3.19 carat step cut natural emerald, four claw set to the body, in addition to two 5mm cultured pearls. The curvilinear, wirework stranded setting is embellished with a total of thirty-one individually claw set diamonds totalling 4.38 carats, in a combination of Old European round and eight-cut. The centre features a simple white gold leaf motif, completing organic brooch design. This exceptional 1920's emerald brooch secures to the reverse with a hinged pin and locking clasp. The antique brooch is hallmarked to the reverse of the setting with the 18ct fineness mark (18CT) and the maker's mark (C&F). The brooch is supplied with two independent diamond grading certificates for the two larger diamonds, in addition to the independent diamond grading report card. "Rather than regarding inclusions in coloured stones as harmful, in small sizes and numbers that do not in any way detract from their beauty, they should be regarded as adding to desirability, for they provide identifying characteristics." Reference: The Connoisseurs Guide to Precious Gemstones, R. Wise, Brunswick House Press. Images do not always reflect the true colour and brilliance of gemstones and diamonds. The video however provides a truer representation of the actual colour and showcases each stone. Condition This stunning original antique brooch is fine quality, set with very high color graded old cut diamonds displaying a fine white color, brilliance and presence. The impressive natural emerald displays fine color and brilliance, and the pearls bear...

Ruby 9.33 carats with Diamond 0.71 carat Brooch/Pendant set in 18 Karat Gold Settings (chain not included) Width: 2.7 cm Length: 3.8 cm "Since we first opened doors in 1980 our st...

This Tiffany & Co. Art Deco platinum pin sounds exquisite! Featuring 10 diamonds with a total of 0.90 carats, graded D-E color and VS clarity, combined with 8 royal blue square sapph...

Ruby 27.20 carats, Diamond 2.65 carats with Yellow Diamond 0.07 carat and Black Diamond 0.015 carat Brooch/ Pendant set in 18 Karat White Gold Settings (chain not included) Width: ...

An elegant expression of Parisian refinement, this exquisite bow pin by Cartier is a beautifully composed design that blends romantic form with timeless sophistication. Crafted in a ...

A fine and impressive antique 1930s 0.24 carat sapphire and 0.12 carat diamond, platinum pin brooch set in 18 karat white gold, part of our antique sapphire jewelry collections. Thi...