Square Cut Brooches

14k yellow gold brooch with jade – 12.9 grams Detailed description: The brooch measures 8.0 cm long by 1.7 cm wide in a rectangular shape. Weight: 12.9 grams Set with: - 1 x 7.3...

A striking estate floral brooch crafted in 18K white gold, designed with bold dimensional form and invisibly set with calibrated natural blue sapphires totaling approximately 22.00 ...

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...

Here we have a delightful sapphire and diamond jabot pin from the world renowned luxury jewellery house of Cartier. This Art Deco piece has been expertly crafted into the shape of a...

--Stone(s)-- (2) Natural Genuine Ruby - Square Step Cut - Bezel Set - Vivid Red Color Material: Solid 18k Yellow Gold Weight: 19.25 Grams Overall Height: 28.1mm (1.1") (approx. - no...

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...

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 ...

A graceful Edwardian brooch designed in the refined swag style, delicately composed of platinum. At the center rests a square-cut peridot of lively green hue, accented by diamond-set...

Oscar Heyman platinum Union Jack flag lapel pin contains custom cut rubies (0.76cts), sapphires (0.64cts) and round diamonds (0.05cts). It is a gently w...

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...

Simply Beautiful! Finely detailed 1960s Iconic Tiffany & Co. Designer Ruby Open Square Gold Brooch. Accented by Securely Hand set .60tcw Rubies. Hand crafted in 14K Yellow Gold. Meas...

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

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...

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...

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

Here we have a remarkable Renaissance brooch circa. 1680, showcasing a captivating design. This piece features a single table-cut diamond at the centre. This principal stone sits sli...

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...

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...

A stunning, fine and impressive antique 6.66 carat smokey quartz, bloodstone, tigers eye and agate, 9 karat gold pin brooch; part of our diverse Victorian jewelry and estate jewelry collections. This stunning antique Victorian pin...

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...

--Stone(s):-- (12) Natural Genuine Amethysts- Square Step Calibre Cut - Milgrain Channel Set - Deep Purple Color - 3.3x3mm each (approx.) (5) Genuine Cultured Pearls - Round Shape - ...

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...

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

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...

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...

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...

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...

A very sleek and elegant Sapphire and Diamond Clip Brooch made in the 1940s, depicting the typical Retro design. The diamonds weigh circa 1 carats and the sapphires weigh circa 1.5 ...

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

A vintage bar brooch dating to the 1970s, crafted in 18KT white gold. The brooch is designed with a central square step-cut Topaz, mounted within a geometric diamond-set frame. The t...

14 Karat Yellow Gold With Sapphire Center Stone Filigree Brooch 7 grams total weight.

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

Retro 14k gold brooch by Cartier, with 5 blue sapphires and approx. 0.10ctw in diamonds. Brooch measures 1 1/16" x 7/8". Marked: Cartier, 14k. Weight - 10.7 grams. Iconic Retro desig...

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. The wings art...

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 ...

Platinum and Emerald Diamond Brooch. Details: Platinum, emerald, diamonds, about approx. 4.5 carats of diamonds, 6 carats of emerald. Circa 1970s. Weight 15.1 grams. In excellent c...

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

A striking brooch from the late 1930's depicting a vibrant bird perched on a golden branch, crafted in 18k yellow gold. The bird's wings and tail are adorned with squares shape ruby,...

Constructed with platinum and 14k gold, the brooch features square-cut green peridot stones. The design showcases intricate openwork patterns, accentuated by the vibrant hue of the p...

Van Cleef & Arpels Ruby and Diamond Brooch White Gold Chevrons set with calibre-cut rubies and round diamonds. Details: 18K white gold Single-cut diamonds with approx. total weight...

Antique 18 karat yellow gold bar pin with platinum top. Pin measures 2 1/2 ” long x 1/4 ” wide. Pin has 8 (eight) Old Mine Cut Diamonds weighing approx. 0.16 carat total. 8 (ei...

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...

--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 - ...

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...

--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...

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...

--Stone(s):-- (1) Natural Genuine Citrine - Square Step Cut - Prong Set - Orange Color - 10x8.1mm (approx.) Material: Solid 14k Rose & Green Gold Total Weight: 14.36 Grams Overall H...

Finely crafted in 18k yellow gold with Square cut invisible-set Rubies weighing approximately a total of 13.00 carats, as well as Round Brilliant and Square cut Diamonds weighing app...

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. The wings art artfully set with square cut pink and blue sapphires . The body is hi polished yellow gold with pink sapphire cabochons...

A stunning, fine and impressive antique 1.60 carat emerald, 4.22 carat diamond, 12 karat yellow gold and silver set star brooch/pendant; part of our diverse antique Victorian brooches collection. This stunning, fine and impressive antique Victorian brooch/pendant has been crafted in 12k yellow gold with a silver setting. The convex stellate design is ornamented with a feature central claw set 1.61ct square faceted cut emerald. The feature gemstone is encompassed with an inverted scalloped setting ornamented with eight pavé set Old European round cut diamonds, accented with elongated star...

18k white gold pansy flower brooch, with invisible set rubies and approx. 1.40ctw in diamonds. Brooch measures 30mm x 26mm. Weight of the piece - 12.8 grams.

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...

Pre owned vintage estate 18K yellow gold sapphire bee pin. The body of the bee has 67 invisibly set square cut natural yellow sapphires with an approxima...

This vibrant and whimsical rainbow brooch celebrates the kaleidoscopic beauty of nature with a radiant array of gemstones. Set in luxurious 14 karat yel...

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: ...

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 ...

A sapphire, diamond and enamel car brooch, the 1930's style car with round brilliant-cut diamond wheels, baguette-cut diamond window, calibré-cut sapphire b...

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...