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4.5 Carat Brooches

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Carat Weight: 4.5 Carat
Blue Sapphire and Diamond Ribbons Bow Platinum Brooch
Located in Greenwich, CT
This whimsical 'ribbon swirl' platinum brooch is set with a multitude of white diamonds and blue sapphires has a very timeless feel. Crafted in Platinum with an amazing arrangement ...
Category

21st Century and Contemporary Unknown Artist 4.5 Carat Brooches

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Antique 'En Tremblant' Diamond Large Butterfly Brooch, c. 1850.
Located in Aspen, CO
'En Tremblant' Diamond Butterfly Brooch, circa 1850. 18K yellow gold and topped with silver, which was the custom of the time period, this large brooch is impressive and one of the n...
Category

1850s Victorian Antique 4.5 Carat Brooches

Materials

Diamond, White Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Silver

Van Cleef & Arpels 1960 Paris Brooch 18kt Gold with 4.64cts Diamonds & Rubies
Located in Miami, FL
Brooch designed by Van Cleef & Arpels. Very beautiful piece, created in Paris France by the jewelry house of Van Cleef & Arpels, back in the 1960. This brooch has been crafted in t...
Category

1960s French Post-War Vintage 4.5 Carat Brooches

Materials

Diamond, White Diamond, Ruby, Gold, 18k Gold, Yellow Gold

Antique Diamond and Sapphire Axe Brooch 'circa 1880'
Located in New York, NY
A splendid Antique Axe Brooch showcasing 4.5 carats of Old Cut Diamonds, highlighted by a Fancy Brown Diamond and a Sapphire stone, mounted on 18k White Go...
Category

1880s Antique 4.5 Carat Brooches

Materials

Diamond, White Diamond, Brown Diamond, Sapphire, Blue Sapphire, Gold, 18...

Diamond Cameo Pendant, 4.50 Carats
Located in New Orleans, LA
Featuring a combination of both exquisite intaglio and relief carving, this cameo pendant combines the glory of the Classical age with the refinement of the Victorian era. The pendan...
Category

19th Century Victorian Antique 4.5 Carat Brooches

Materials

Diamond, Yellow Gold, 18k Gold

Van Cleef & Arpels Pair of Gold and Diamond Star Pins
Located in New York, NY
A pair of Van Cleef & Arpels gold and diamond star pins crafted in 18k yellow gold and set with 158 round diamonds for an approximate total carat weight 4.80 cts. Made in France. On...
Category

20th Century 4.5 Carat Brooches

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Victorian 4.75Ct Cabochon Cut Opal and 4.45Ct Diamond Gold Crescent Brooch
Located in Jesmond, Newcastle Upon Tyne
A stunning Victorian 4.75 carat opal and 4.45 carat diamond, 9 karat yellow gold and silver set crescent brooch; part of our diverse antique ...
Category

1890s Unknown Victorian Antique 4.5 Carat Brooches

Materials

Diamond, Opal, Gold, 9k Gold, Yellow Gold

Diamond and Seed Pearl Imitation Gemstone and Yellow Gold Frog Bar Brooch
Located in Jesmond, Newcastle Upon Tyne
An impressive 0.70 carat diamond and seed pearl, imitation green gemstone and 9 karat yellow gold, silver set 'frog' brooch; part of our diverse antique jewelry and estate jewelry collections. This fine and impressive Victorian brooch has been crafted in 9k yellow gold with a silver setting. The double bar is ornamented with a silver set frog design. The frog is embellished with thirty-seven pavé set Dutch cut diamonds, and two cabochon cut imitation emeralds representing the eyes. Either terminal of the double bar design is accented with a single seed pearl. The brooch secures to the reverse with a hinged pin and clasp fastening. The underside of the clasp hinge is struck with the maker's mark 'H.Y.'. This antique Victorian frog...
Category

1890s Unknown Victorian Antique 4.5 Carat Brooches

Materials

Diamond, Pearl, 9k Gold, Yellow Gold

Emilio Jewelry 4.70 Carat Handmade Brooch or Pendant
Located in New York, NY
Approx total weight: 4.70cts Diamond Color: E-F Diamond Clarity: Vs Cut: Excellent As noted we are vetted and rated a Top Seller on 1stdibs falling into the top 25% of dealers listed...
Category

21st Century and Contemporary American Modern 4.5 Carat Brooches

Materials

Diamond, White Diamond, Platinum

4.50 Carats Total Brilliant Round Diamond Platinum Brooch
Located in New York, NY
Showcasing a beautiful platinum brooch set in a classic style with 54 brilliant diamonds weighing 4.50 carats. 1.46 inches in diameter.
Category

1980s Unknown Vintage 4.5 Carat Brooches

Materials

Diamond, Platinum

Art Deco Sapphire Diamond Gold Platinum Bar Pin
Located in New York, NY
Art Deco Brooch! with millgrain accents, the brooch has an impressive 1.0 carat Old European diamond in the center, 46 round-cut diamonds with an approximate total weight of 2.0 car...
Category

1910s Unknown Art Deco Vintage 4.5 Carat Brooches

Materials

Diamond, Sapphire, 14k Gold, Platinum, Gold

Diamond Gold Grape Vine Brooch
Located in Greenwich, CT
At just over two inches long this fantastic brooch is not to be missed. The combination of different sizes of old European cut diamonds, gives this piece both movement and delicacy. ...
Category

21st Century and Contemporary Unknown 4.5 Carat Brooches

Materials

Diamond, White Diamond, Platinum

Art Deco French Diamond 14k White Gold Convertible Brooch Pendant
Located in Beverly Hills, CA
One Art Deco French Diamond 14k White Gold Convertible Brooch Pendant. Featuring 60 old European, single, and transitional cut diamonds with a total weight of approximately 4.70 cara...
Category

1920s Art Deco Vintage 4.5 Carat Brooches

Materials

Diamond, White Diamond, Gold, 14k Gold, White Gold

Raymond Yard 1935 Art Deco Brooch In Platinum With 4.82 Ctw Rubies Diamonds
Located in Miami, FL
An art deco brooch designed by Raymond C. Yard. Fantastic circular brooch, created in America during the art deco period by the master jewelry designer Raymond C. Yard, back in the ...
Category

1930s American Art Deco Vintage 4.5 Carat Brooches

Materials

Diamond, White Diamond, Ruby, Platinum

Related Items
Tiara Convertible En Tremblant Flower Diamond Brooch
Located in Geneva, CH
Antique Tiara convertible En Tremblant Flower Diamond Brooch on Silver and Gold. French marks. Late 19th Century. Tiara frame in titanium flexible a...
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Late 19th Century European Victorian Antique 4.5 Carat Brooches

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14 Karat Yellow Gold Cameo Brooch/Pendant
Located in Washington Depot, CT
14 Karat Yellow Gold Cameo Pendant/Brooch- This lovely cameo brooch features a beautiful lady in profile detailed with a stunning frame of seed pearls. Can be worn as a pendant or ...
Category

20th Century 4.5 Carat Brooches

Materials

14k Gold, Yellow Gold

French, 19th Century, 18 Karat Yellow Gold and Diamond ‘En Tremblant’ Brooch
Located in Brisbane City, QLD
An exceptional French, floral spray 'en tremblant' brooch pin. This 18 karat gold piece comprises of several components which screw together to form one large brooch. The piece can b...
Category

Late 19th Century French Victorian Antique 4.5 Carat Brooches

Materials

Diamond, Gold, 18k Gold, Yellow Gold

1920s Exquisite Platinum Diamond and Sapphire Bow Brooch
Located in Wailea, HI
1920's Exquisite Platinum Diamond and Sapphire Bow Brooch Fifty Four Old European Diamonds weighing 2.00 carats (approximately) Twenty...
Category

Early 20th Century 4.5 Carat Brooches

Materials

Sapphire, Platinum

Rare Vintage Van Cleef & Arpels Ruby Diamond 18k Yellow Gold Pendant Necklace
Located in Birmingham, GB
Vintage Van Cleef & Arpels Red Ruby And Diamond 18k Yellow Gold Pendant Necklace. A beautiful vintage pendant necklace by Van Cleef & Arpels with a stunning pair of deep red pear cu...
Category

20th Century French 4.5 Carat Brooches

Materials

Diamond, White Diamond, Ruby, Gold, 18k Gold, Yellow Gold

18K Diamond Ribbon Bow Brooch
Located in Idar-Oberstein, DE
A beautiful Diamond Ribbon Bow Brooch with ca. 7 carats of diamonds (D-F/IF-VVS).
Category

1980s Vintage 4.5 Carat Brooches

Materials

Diamond, 18k Gold

Van Cleef and Arpels Ruby and Diamond Tie Pin
Located in New York, NY
Van Cleef and Arpels Ruby and Diamond Tie Pin Beautiful Van Cleef and Arpels tie pin with ten round cut diamonds and cabochon ruby. Signed: VCA and numb...
Category

Early 19th Century French Antique 4.5 Carat Brooches

Materials

Diamond, Ruby, 18k Gold

Late 19th C Enamel, Ruby and Diamond Set En Tremblant Flower Brooch
Located in Hummelstown, PA
A delightful ‘en Tremblant’ brooch, c1890. Exceptionally hand-fabricated in silver topped gold, this piece centers on a freeform spray of flowers, lined in shimmering rose cut and ol...
Category

1890s Antique 4.5 Carat Brooches

Materials

Diamond, 14k Gold, Silver, Enamel

Art Deco Diamond Sapphire Platinum Bow Brooch
Located in New York, NY
Beautifully designed and masterfully handcrafted in platinum, set with bright white and lively Old European cut diamonds and embellished with deep blue calibre sapphires.
Category

1920s Art Deco Vintage 4.5 Carat Brooches

Materials

Diamond, Sapphire, Platinum

18kt gold Cammeo Pendant Brooch
Located in Capri, IT
18kt gold Cammeo Pendant Brooch Dama cammeo pin that can be used as a pendant too totally handmade in italy
Category

1990s Italian 4.5 Carat Brooches

Materials

18k Gold

18kt gold Cammeo Pendant Brooch
18kt gold Cammeo Pendant Brooch
Free Shipping
H 1.19 in L 1.78 in
Rose Cut Diamond Cameo Pendant Brooch French 18 Karat Gold Victorian Hardstone
Located in New York, NY
This is a stunning Antique Hardstone Cameo Pendant Brooch, framed by Rose Cut diamonds and Pearls. The pendant is Silver atop 18 Karat Gold as was the custom of the period. The pin...
Category

19th Century French Victorian Antique 4.5 Carat Brooches

Materials

Diamond, Pearl, Gold, 18k Gold, Yellow Gold, Silver

Antique 2 Carat Rose Cut Diamond Brooch c1850
Located in Hummelstown, PA
This ravishing rose-cut diamond star brooch glimmers with over 3 carats of rose-cut diamonds mounted in silver topped 18K gold. The center diamond is exceptionally bright and clean w...
Category

1850s Antique 4.5 Carat Brooches

Materials

Diamond, 18k Gold, Silver

Previously Available Items
Art Deco French Diamond 14k White Gold Convertible Brooch Pendant
Located in Beverly Hills, CA
One Art Deco French Diamond 14k White Gold Convertible Brooch Pendant. Featuring 60 old European, single, and transitional cut diamonds with a total weight of approximately 4.70 cara...
Category

1920s Art Deco Vintage 4.5 Carat Brooches

Materials

Diamond, White Diamond, Gold, 14k Gold, White Gold

Bailey Banks & Biddle 1925 Art Deco Platinum Brooch 4.74 Ctw Diamonds & Sapphire
Located in Miami, FL
An art deco brooch designed by Bailey Banks & Biddle. An exquisite piece created by Bailey Banks & Biddle, during the glorious art deco period, circa 1925. This brooch scream art deco with its old cut stone, millegrain etchings and elegant design. The quality of this brooch is breathtaking and was carefully crafted with impeccable attention to details in solid .900/.999 platinum. It is fitted with an horizontal hinged bar with a security mechanical lock and is embellished with an outstanding selection of diamonds and sapphires and the gemstones settings are finished with the difficult technique of millegrain. These sapphires have French calibre cutting style and they display the most beautiful blue color throughout. The diamonds on the other hand add an incredible amount of brilliance to the piece with their excellent quality. The brooch remain in excellent physical condition with absolutely no replacement in any gemstone. Diamonds: Mount in millegrain French settings, with 60 Old European round cut diamonds, 2.54 carats, white colorless F color, VS-2 clarity Sapphires: Mount in channel settings, with a suite of 36 French caliber cut of natural blue sapphires with a total of 2.20 carats. These sapphires are intense royal blue, non heated and most probably from the Kashmir or the Pailin regions. Birthstone: Sapphires for the month of September. Weight: 7.62 Grams, (4.89 Dwt). Measures: Diameter of 36 mm (1.42 Inches). Hallmarks: Stamped with the maker's mark inside two circled cartouche, the hallmark for the assay of the platinum and signed, "BB&B". Bailey Banks & Biddle Bailey Banks & Biddle is an American jewelry firm that formed in 1832 and quickly became a recognized leader in jewelry fashion. The firm developed a reputation for offering high quality, well-designed jewelry as evidenced by its commissions to design the first 40,000 Purple Hearts for the United States military as well as to create the Naval Academy and West Point...
Category

1920s American Art Deco Vintage 4.5 Carat Brooches

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

3.20 Carat Diamond & 1.79 Carat Garnet Emerald & Sapphire Platinum Brooch
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive platinum brooch with 3.20 carat (total) diamonds and 1.79 carat (combined total) natural garnet, sapphire and emerald gemstones; part of our vintage j...
Category

1940s Unknown Vintage 4.5 Carat Brooches

Materials

Diamond, Emerald, Garnet, Sapphire, Platinum

1920 Antique Diamond Broach in Platinum
Located in New York, NY
1920 Antique diamond broach beautifully handcrafted in platinum. The details are as follows : Diamond weight : 4.50 carat ( I color and VS2 cl...
Category

1920s American Vintage 4.5 Carat Brooches

Materials

Diamond, Platinum

Sophia D, Pearl, Coral and 4.60 Carat Diamond Swan Brooch
Located in New York, NY
Platinum Set Swan Brooch with 4.60 carat Diamonds, Pearl center stone and Rubies as eyes.
Category

2010s American 4.5 Carat Brooches

Materials

Coral, Diamond, Pearl, Ruby, Platinum

Alex Soldier Sapphire Topaz Gold Butterfly Pin Pendant Necklace Brooch
Located in New York, NY
Alex Soldier's Butterfly collection is dedicated to celebration of life. Butterflies remind us to enjoy the moment and embrace change. This lovely butterfly pin is made in 18 karat r...
Category

2010s American Contemporary 4.5 Carat Brooches

Materials

Quartz, Sapphire, Pink Sapphire, Topaz, Gold, 18k Gold, Rose Gold

Victorian 4.88 Carat Diamond 14 Karat Yellow Gold Pendant Brooch with Chain
Located in Miami, FL
Offered here is a " Victorian period " sunburst diamond pendant brooch on chain, One yellow gold ( not marked, acid tested 14k ) lady's circu...
Category

Early 20th Century Unknown Victorian 4.5 Carat Brooches

Materials

Diamond, 14k Gold, Yellow Gold

Antique 4.50 Carat Sapphire 1.46 Carat Diamond Yellow Gold Cluster Ring/Brooch
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 4.50 carat sapphire and 1.46 carat diamond, 18k yellow gold cluster ring/brooch; part of our diverse antique jewellery and estate jewelry collections. This stunning, fine and impressive antique sapphire cluster ring/brooch has been crafted in 18k yellow gold. The pierced decorated, cluster design is ornamented with a stunning central feature claw set oval cut 4.50ct blue sapphire. The sapphire is surrounded by sixteen impressive individually claw set Old European round cut diamonds, totalling 1.46cts. The plain ring shoulders integrate with the lower portion of the setting and blend seemlessly with the shank. This versatile piece of antique jewellery may also be worn as a sapphire brooch via a screw fitment to the reverse of the central cluster design. The original 18k yellow gold bar brooch frame has a central screw fitment, flanked with trifurcating strands enveloped with a cuff design to a fleur-de-lis style terminal to either end. This yellow gold antique sapphire ring/brooch is supplied with an independent diamond grading report card, in addition to a sapphire report and certificate* supplied by the Gemmological Certification Services, London. NOTE: * This documentation certifies that the gemstone shows no indications of heating; non-heated sapphires are a scarcity. 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 antique gemstone cluster ring/brooch is execeptional quality set with a stunning natural sapphire displaying a fine colour, brilliance and presence. The very high colour graded Old European cut diamonds display a fine white colour and brilliance. The gemstone setting, ring shank and brooch frame are each an exceptional gauge of gold and are in excellent condition. Reflections in photographs may detract from the true representation of this stunning 4.5 carat sapphire ring...
Category

Early 1900s Antique 4.5 Carat Brooches

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

4.50 Carat Diamond White Gold Brooch, Antique Edwardian
Located in Jesmond, Newcastle Upon Tyne
A very fine and impressive antique Edwardian 4.50 carat diamond, 18 karat white gold brooch; part of our diverse antique jewelry and estate ...
Category

Early 1900s Unknown Edwardian Antique 4.5 Carat Brooches

Materials

Diamond, 18k Gold, White Gold

Antique 1.25 Carat Sapphire and 3.43 Carat Diamond Yellow Gold Pendant Brooch
Located in Jesmond, Newcastle Upon Tyne
A stunning antique Victorian 1.25 carat sapphire and 3.43 carat diamond, 14 karat yellow and white gold pendant / brooch; part of our diverse antique jewellery collections. This stunning, fine and impressive Victorian pendant has been crafted in 14k yellow gold with a 14k white gold setting. The cluster design is ornamented to the centre with an eight claw set 1.25ct cushion cut sapphire. The surrounding stepped setting is embellished with a total of thirty-two pavé set Old European round cut diamonds, totalling 3.43cts. The pendant suspends from a later (circa 1960) 9k yellow gold fine curb chain via a hinged 14k white gold latch back bale. The chain secures with a conventional spring loaded bolt ring fastening. The pendant may be worn as a brooch via a removable hinged pin and catch fastening to the reverse. The pendant is hallmarked to the side of the bale with the 14k gold fineness mark 585. This antique Victorian sapphire and diamond pendant...
Category

1890s Unknown Victorian Antique 4.5 Carat Brooches

Materials

Diamond, Blue Sapphire, 14k Gold, White Gold, Yellow Gold

Antique 1.65 Carat Sapphire and 3.16 Carat Diamond White Gold Double Clip Brooch
Located in Jesmond, Newcastle Upon Tyne
An impressive antique Art Deco 1.65 carat sapphire and 3.16 carat diamond, 18 karat white gold and platinum double clip brooch; part of our diverse antique jewellery and estate jewel...
Category

1920s Unknown Art Deco Vintage 4.5 Carat Brooches

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Gem-Set Stained Glass Pheasant Brooch
Located in New York, NY
Dating from the Art Deco period, this exquisite brooch is set with almost nine carats of diamonds, rubies, sapphires, emeralds, and onyx, a testament to the 1920s art of stylized ima...
Category

1920s Art Deco Vintage 4.5 Carat Brooches

Materials

Blue Sapphire, Onyx, Rock Crystal, Sapphire, Diamond, Yellow Sapphire, E...

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