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3.5 Carat Brooches

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Carat Weight: 3.5 Carat
Striking Art Deco Platinum, Diamond and Burma Ruby Brooch/Hair Barrette, c. 1920
Located in Aspen, CO
Art Deco platinum, diamond and Burmese ruby double prong clip/hair barrette, c. 1920. This is a striking Art Deco statement possessing very fine and unusual fancy cut diamonds and na...
Category

1920s Art Deco Vintage 3.5 Carat Brooches

Materials

White Diamond, Ruby, Diamond, Platinum

Edwardian 3.87 Carat Diamond Platinum 14k Yellow Gold Brooch/Pin/Pendant 1910's
Located in Towson, MD
Step back in time with this enchanting Edwardian 14-karat yellow gold and platinum pendant/brooch, crafted circa 1910. This dual-purpose masterpiece is adorned with thirty seven old ...
Category

1910s Unknown Edwardian Vintage 3.5 Carat Brooches

Materials

Diamond, 14k Gold, Yellow Gold, Platinum

Diamond Pendant Brooch Platinum Vintage Bow 3.50cts
Located in East Brunswick, NJ
Diamond Pendant Brooch Platinum Vintage Bow 3.50ct DTW This incredible highly collectible circa 1930s piece is finely crafted in solid Platinum (carefully...
Category

Mid-20th Century Art Deco 3.5 Carat Brooches

Materials

Diamond, Platinum

Cartier Paris Yellow Gold and Diamond Dolphin clip Brooch
Located in Chicago, IL
Circa 1990s Cartier Paris Whimsical Dolphin Clip Brooch, measuring 1 1/2 inches in length X 1 inch, set with Round Brilliant cut Diamonds totaling 3.50 Carats, further set with an Em...
Category

1990s French 3.5 Carat Brooches

Materials

Diamond, 18k Gold, Yellow Gold

Edwardian Spinel Diamond Jabot Brooch
Located in New York, NY
Edwardian, Spinel and Diamond Jabot Brooch! Beautiful swag design, with a vibrant red color center spinel measuring 8.30x10.64mm Accompanied by A.G.L. id...
Category

20th Century British Edwardian 3.5 Carat Brooches

Materials

Diamond, Spinel, Platinum

1940s 3.93 Carat Diamond and Platinum Spray Brooch
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive vintage 1940s 3.93 carat diamond and platinum spray brooch; part of our diverse antique jewelry and estate jewelr...
Category

1940s Unknown Vintage 3.5 Carat Brooches

Materials

Diamond, Platinum

Itsy Bitsy Spider Broach by Shinobu Ichianygi, Rainbow Garnet, 18k, 3.8CTS DIA
Located in Mission Viejo, CA
A true one-of-a-kind, irreplaceable original creation from the famous “Candy man”, Shinobu Ichianygi. Mr Ichianygi took his natural inclination of making beautiful creations in candy...
Category

21st Century and Contemporary 3.5 Carat Brooches

Materials

Diamond, Garnet, 18k Gold

18K Yellow and White Gold Diamond Rose Bud Brooch
Located in New York, NY
The delicate beauty of rosebuds is illustrated with diamonds and gold. Pave set diamonds in 18k white gold give sparkling life as the rosebuds, while 18k yellow gold softly folds ove...
Category

Early 2000s American 3.5 Carat Brooches

Materials

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

Angela Cummings 1989 Brooch in 18kt Yellow Gold with 3.76 Ctw in Green Sapphires
Located in Miami, FL
Fruity brooch designed by Angela Cummings. Fantastic and unusual brooch, created by Angela Cummings in New York city, back in the 1997. This brooch has been crafted in the shape of a magical fruit with a swirled stem...
Category

1990s American Modern 3.5 Carat Brooches

Materials

Sapphire, Green Sapphire, Gold, 18k Gold, Yellow Gold

Antique 3.98Ct Cabochon Cut Labradorite and Seed Pearl Diamond and Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
A stunning antique Victorian 3.98 Ct labradorite, seed pearl, 0.30 Ct diamond and 9k yellow and white gold brooch; part of our diverse antique jewelry collections. This stunning, fine and impressive cabochon cut labradorite brooch has been crafted in 9k yellow gold with 9k white gold settings. The pierced decorated, heart shaped frame is ornamented with a feature central bezel set 3.98 Ct heart cabochon cut labradorite. The labradorite is surrounded by seven 4mm seed pearls, displayed alternately between seven individually 9k white gold five claw set Old European round cut diamonds. The pearls and diamonds are held upon a completely separate halo. The brooch secures to the reverse with a hinged pin and clasp, a discreet hinged ring loop attachment to the upper border of the reverse setting allows this Victorian brooch to be worn as a pendant if so desired. This stunning antique 1890s brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as 9k gold. The brooch is supplied with an independent diamond grading report card. Condition This stunning gemstone brooch is exceptional quality set with seed pearls, a stunning antique labradorite...
Category

1890s Unknown Victorian Antique 3.5 Carat Brooches

Materials

Diamond, Labradorite, Pearl, 9k Gold, Yellow Gold, Gold

3.5 Carat Old European Cut Art Deco Diamond Brooch in Textured Filigree Platinum
Located in Miami, FL
3.5 Carat Old European Cut Art Deco Diamond Brooch in Textured Filigree Platinum / Vintage Art Deco Old Euro Diamond Shaped Pin A truly inspiring pi...
Category

21st Century and Contemporary North American Art Deco 3.5 Carat Brooches

Materials

Diamond, Platinum

Art Deco Diamond Platinum Encrusted Pin Clips
Located in Narberth, PA
An absolutely exquisite platinum and diamond pin clips from the Art Deco (ca1920) era! This wonderful and unusual piece is made of platinum an...
Category

1930s Art Deco Vintage 3.5 Carat Brooches

Materials

Diamond, Platinum

Antique Art Deco 1930s 3.80 Carat Diamond Bar Pin
Located in New York, NY
Finely crafted in 18k white gold with an Old European cut Diamond weighing approximately 1.00 carat, a French cut Diamond weighing approximately 0.70 carat, 2 Old Mine cut Diamonds w...
Category

1930s Vintage 3.5 Carat Brooches

Materials

Diamond, 18k Gold

Antique European 3.70 Ct Diamond and Ruby Pin. (GIA)
Located in Miami, FL
Crafted in 14k yellow gold, this stunning vintage piece features 1.70 carats of Old European cut diamonds with G color and SI clarity, complemented by a 2.00 carat round-cut Burma ru...
Category

21st Century and Contemporary European Contemporary 3.5 Carat Brooches

Materials

Diamond, Ruby, Gold, 14k Gold, Yellow Gold

Antique Amethyst and Diamond Bar Brooch in White Gold
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 2.63 carat amethyst and 2.24 carat diamond, 15k white gold bar brooch; part of our diverse antique jewelry collections. This stunning, fine and impressive antique amethyst brooch...
Category

Early 1900s Unknown Antique 3.5 Carat Brooches

Materials

Amethyst, Diamond, 15k Gold, White Gold

1940s Opal Ruby Sapphire and 3.50ct Diamond Butterfly Brooch
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive vintage 3.50 carat diamond, opal, ruby and sapphire 18 karat white gold brooch; part of our diverse vintage jewelry and estate jewelry collections. This impres...
Category

1940s Unknown Vintage 3.5 Carat Brooches

Materials

Diamond, Opal, Ruby, Sapphire, 18k Gold, White Gold

3.75 Carat Art Deco Old European Diamond Platinum Gold Brooche
Located in Stamford, CT
Art Deco solid Platinum and 14k white gold Diamond brooche. All handmade set with Old European cut and transitional cut diamonds. Beautiful hand engraving, bead setting and piercin...
Category

1920s Vintage 3.5 Carat Brooches

Materials

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

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Vintage Retro 14K Yellow Gold and Platinum Diamond Floral Pin Brooch
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Cartier 18k Yellow Gold Diamond Elephant Brooch
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Art Deco Buddha Jabot Brooch Pin Rose Cut Diamond Platinum Enamel
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The Rose Diamond Platinum Enamel Buddha Jabot Pin Brooch is an Art Deco Masterpiece. The seated Buddha is blue art glass and is absolutely exquisite. B...
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Art Deco Diamond Sapphire Ruby Platinum Butterfly Brooch
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Cartier Diamond and Gold Brooch
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Cartier, France Art Deco Rose Diamond and Onyx Arrow Jabot Brooch
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Vintage 21.90cts Platinum Mixed-Cut Natural Diamond Tassel Brooch Pin
Located in Miami, FL
This beautiful Vintage 1960s diamond brooch pin is crafted in solid platinum. Displaying a delicate swirl design with exquisite details and except...
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Cartier Platinum Diamond Clip Brooch, Signed, Cartier London, 1950
Located in Heerlen, NL
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Antique Platinum Art Deco Diamond Brooch Pin 1920s
Located in Wallkill, NY
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Early 20th Century American Art Deco 3.5 Carat Brooches

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Diamond, Platinum

Edwardian Diamond Festoon Brooch
Located in London, GB
An Edwardian diamond festoon brooch, an old brilliant-cut diamond, estimated to weigh 0.85 carats, surmounted by old and rose-cut festoons with floral ...
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Antique Platinum, 1920s Art Deco Sapphire and Diamond Bow Brooch
Located in Brighton, GB
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Previously Available Items
EGL Certificate 1.20 Carat Diamond White Gold Flower Brooch
Located in Stamford, CT
Flower diamond brooch. The EGL certified center 1.20 carat diamond is surrounded by five open petals. Each of the petals has a marquise brilliant cut diamond in the center and is bor...
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Mid-20th Century 3.5 Carat Brooches

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Victorian Diamond 18k Yellow Gold Silver Flower Brooch
Located in Beverly Hills, CA
One Victorian Diamond 18k Yellow Gold Silver Flower Brooch. Featuring numerous old European, rose, and senaille cut diamonds with a total weight of approximately 3.75 carats, graded ...
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1880s Victorian Antique 3.5 Carat Brooches

Materials

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

Stunning 3.85 Carat Natural Loose Clean Spessartine Garnet Gold Ring Gemstone
Located in Peshawar, PK
Faceted Spessartine Garnet Weight: 3.85 Carats Dimension: 9.9x8.1x5.4 Mm Origin: Madagascar Shape: Oval Cut/Facet: Cushion Cut Color: Orange Fanta Clarity: Clean Certificate: On Dema...
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2010s Malagasy Artisan 3.5 Carat Brooches

Materials

Garnet

American Flag 1950 Brooch in 18kt Gold with 3.76ctw in Diamonds and Gemstones
Located in Miami, FL
American flag convertible brooch. Very beautiful piece, created in America during the mid century period, back in the 1950. This gorgeous brooch, has been carefully crafted in the s...
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1950s American Post-War Vintage 3.5 Carat Brooches

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Sapphire, Blue Sapphire, Diamond, White Diamond, Ruby, Gold, 18k Gold, W...

Angela Cummings 1997 Brooch in 18kt Yellow Gold with 3.76ctw in Blue Sapphires
Located in Miami, FL
Fruity brooch designed by Angela Cummings. Fantastic and unusual brooch, created by Angela Cummings in New York city, back in the 1997. This brooch has been crafted in the shape of a magical fruit with a swirled stem...
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1990s American Modern 3.5 Carat Brooches

Materials

Sapphire, Blue Sapphire, Gold, 18k Gold, Yellow Gold

3.5 Ct Natural Oval Emerald Bug Brooch /Pin 14 Karat Yellow Gold 7.7 Gm, Enamel
Located in New York, NY
Antique Bug Shaped natural oval Emerald 14 Karat Gold Pin/Brooch with enamel Approximate weight of emerald is 3.5 carats to a gently curving Bug shape fi...
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Early 2000s 3.5 Carat Brooches

Materials

Emerald, 14k Gold, Yellow Gold, Enamel

18 Karat Yellow and White Gold Diamond Flower Brooch
Located in Palm Desert, CA
Set in 18 karat yellow & white gold are 54 Old European Cut diamonds with a total diamond weight of 3.50 carats. H-I color, VS-SI clarity. Circa 1930. Can be worn as a necklace.
Category

Early 20th Century Unknown 3.5 Carat Brooches

Materials

Diamond, 18k Gold

Antique 2.88 Carat Tourmaline Diamond Yellow Gold and Silver Set Bar Brooch
Located in Jesmond, Newcastle Upon Tyne
An exceptional 2.88 carat tourmaline and 0.86 carat diamond, 18 karat yellow gold and silver set boxed bar brooch; part of our diverse antique jewellery and estate jewelry collections. This exceptional, fine and impressive Victorian brooch has been crafted in 18k yellow gold with silver settings. The bar is ornamented to the centre with a flower design, scalloped edged cluster. A single collet set Old European round cut diamond is surrounded by six collet set fancy cut green tourmalines. The tourmalines are then bordered by thirty six collet set Dutch cut diamonds. The 18k yellow gold bar is ornamented with a further two collet set Dutch cut diamonds, and two collet set Old European round cut diamond terminals. The brooch secures to the reverse with a hinged pin and clasp fastening, and the setting is struck with the hallmarks for 18k gold and silver (18CT&SILVER). The brooch is fitted to a leatherette, satin and velvet lined presentation case of the period, bearing the retailer's name in the lid 'Watchmaker & Jeweller, F.C. Eldridge, bridge street, leatherhead'. This antique Victorian tourmaline...
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Early 1900s Unknown Victorian Antique 3.5 Carat Brooches

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Diamond, Tourmaline, 18k Gold, Yellow Gold, Silver

Antique Pearl Sapphire Ruby and Diamond Gold Butterfly Brooch
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique pearl, 1.42 carat sapphire, 1.76ct ruby and 0.38 carat diamond, 9 karat yellow gold, silver set brooch; part of our antique jewelry and estate jewelry c...
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Early 1900s Unknown Antique 3.5 Carat Brooches

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Diamond, Pearl, Ruby, Sapphire, Gold, 9k Gold, Yellow Gold

Diamond, Platinum and 18 karat yellow gold Woven Brooch
Located in Palm Desert, CA
Platinum & 18 karat yellow gold with 93 Round Brilliant cut diamonds with a total weight of 3.75 carats, G in Color, VS in Clarity. 35 Grams.
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1970s Vintage 3.5 Carat Brooches

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Diamond, 18k Gold, Platinum

Victorian 3.65 Carat Diamond and Pearl White Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive 3.65 carat diamond and pearl, 18 karat white gold brooch; part of our antique jewelry and estate jewelry collections This stunning antique pearl broo...
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19th Century Unknown Victorian Antique 3.5 Carat Brooches

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Diamond, Pearl, 18k Gold, White Gold

Victorian Era Old Mine Cut Diamond Gold Cross
Located in Chevy Chase, MD
A magnificent Victorian era old mine cut diamond cross in 18k yellow gold. The diamonds have a total estimated weight of 3.90cts. This can be ...
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Diamond, 18k Gold

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