Skip to main content

3.5 Carat Brooches

17
to
2
13
4
1
13
3
1
2
1
2
1
1
2
1
1
1
1
1
10
7
11
8
6
6
6
16
4
3
2
1
7
4
2
1
1
4
1
1
1
1
Carat Weight: 3.5 Carat
Mid-Century Diamond Sapphire 18k Gold Enamel Chicken Brooch
Located in Beverly Hills, CA
One Mid-Century Diamond Sapphire 18k Gold Enamel Chicken Brooch. Featuring 89 round brilliant cut diamonds with a total weight of approximately 3.60 car...
Category

1960s Vintage 3.5 Carat Brooches

Materials

Diamond, Sapphire, Gold, 18k Gold, White Gold, Yellow Gold, Enamel

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

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 ruby, showcasing a deep red hue. With a total carat weight of 3.70 carats, this exquisite creation evokes the elegance of vintage Italian jewelry...
Category

21st Century and Contemporary European Contemporary 3.5 Carat Brooches

Materials

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

Art Deco 3.80 Carat Total Weight Diamond and Sapphire Platinum Bar Brooch
Located in Beverly Hills, CA
One Art Deco 3.80 Carat Total Weight Diamond and Sapphire Platinum Bar Brooch. Featuring one old European cut diamond weighing approximately 0.80 carat, graded L color SI2 clarity. A...
Category

1920s Art Deco Vintage 3.5 Carat Brooches

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

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

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

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

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

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

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

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...
Category

Mid-20th Century 3.5 Carat Brooches

Materials

Diamond, Gold, 14k Gold, White 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

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

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.
Category

1970s Vintage 3.5 Carat Brooches

Materials

Diamond, 18k Gold, 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

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

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

Related Items
Tiffany & Co Angela Cummings Lapis Yellow Gold Seahorse Pin Brooch
Located in Holland, PA
This vintage 1970's Tiffany & Co. brooch, designed by the iconic Angela Cummings, is a captivating work of art. Exquisitely crafted in 18k yellow gold, it presents a large seahors...
Category

1970s North American Vintage 3.5 Carat Brooches

Materials

Lapis Lazuli, Yellow Gold, 18k Gold

18KT Yellow Gold Octopus Brooch with Ruby Eyes
Located in New York, NY
An 18 karat yellow gold octopus brooch. The octopus is crafted in a matte finis with bezel set ruby eyes. He measures 2" across. Stamped Soret 18k
Category

1980s Unknown Retro Vintage 3.5 Carat Brooches

Materials

Ruby, 18k Gold, Yellow Gold

Cellini 18KT Yellow & White Gold Dalmatian Brooch with Diamonds & Blue Sapphires
Located in New York, NY
18 karat gold brooch designed as a dalmatian. The white gold body is set with pave diamonds and scattered cabochon blue sapphires. The head and paws are shiny yellow gold and the eye...
Category

1990s Italian Contemporary 3.5 Carat Brooches

Materials

Diamond, Emerald, Blue Sapphire, 18k Gold, White Gold, Yellow Gold

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 3.5 Carat Brooches

Materials

Diamond, Sapphire, Platinum

18KT Yellow Gold Panda Brooch with Ruby Eye
By MCM
Located in New York, NY
Adorable panda brooch crafted in 18 karat yellow gold. The panda is designed in a sandblasted finish and has a ruby eye. Stamped 18K
Category

1990s American Retro 3.5 Carat Brooches

Materials

Ruby, 18k Gold, Yellow Gold

18KT Yellow Gold Panda Brooch with Ruby Eye
18KT Yellow Gold Panda Brooch with Ruby Eye
Free Shipping
W 1.25 in L 1.25 in
Vintage 1940's Cartier Yellow and Rose 14K Gold Bars Pyramid Pendant Clip Brooch
Located in New York, NY
Beautiful estate Cartier gold bars pyramid pendant clip brooch composed of eight interconnected gold bars of rose and yellow gold. May be worn as a pe...
Category

Mid-20th Century French Retro 3.5 Carat Brooches

Materials

14k Gold, Rose Gold, Yellow Gold

Diamond Ruby Yellow Gold Squirrel Clip Brooch
Located in Los Angeles, CA
Diamond and ruby yellow gold squirrel clip brooch circa 1970. * ABOUT THIS ITEM: #P-DJ310J. Scroll down for detailed specifications. The movements and...
Category

1970s American Modern Vintage 3.5 Carat Brooches

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Diamond Ruby Yellow Gold Squirrel Clip Brooch
Diamond Ruby Yellow Gold Squirrel Clip Brooch
Free Shipping
W 1.75 in L 1.38 in
18K Yellow Gold PANDA Diamond & Enamel Brooch
Located in Los Angeles, CA
Item specifics Condition Pre-owned Seller Notes “GRAET CONDITION” Brand Undisclosed Color Gold Main Stone Diamond Metal Yellow Gold Metal Purity 18k Type Brooch
Category

Late 20th Century American Artisan 3.5 Carat Brooches

Materials

Diamond, Yellow Gold, 18k Gold, Enamel

18K Yellow Gold and Blue Enamel Diamond and Pink Sapphire Fish Brooch Pin
Located in New York, NY
Introducing a mesmerizing masterpiece that captivates both women and men alike. This enchanting Fish Brooch Pin, crafted in 18K Yellow Gold and adorned with Blue Enamel, is a true sy...
Category

21st Century and Contemporary American Contemporary 3.5 Carat Brooches

Materials

Diamond, Pink Sapphire, 18k Gold, Yellow Gold, Enamel

Cartier Sapphire and Yellow Gold Double Clips, c. 1935
Located in Aspen, CO
Art Deco pair of double clip dress clips, by Cartier, post 1935. It has been said that one cannot understand fully art history without appreciating the...
Category

1930s Retro Vintage 3.5 Carat Brooches

Materials

Sapphire, Blue Sapphire, Gold, 14k Gold, Yellow Gold

Art Deco Diamond Sapphires Pearls Platinum Yellow Gold Bar Pin Brooch
Located in Milano, IT
This stunning and very particular original Art Deco bar pin is made in 14 karat yellow gold, the elegant geometric design is composed of sparkling diamond...
Category

Early 20th Century Unknown Art Deco 3.5 Carat Brooches

Materials

Diamond, Pearl, Sapphire, Gold, Yellow Gold, Platinum, 14k Gold

18K Yellow Gold and Green Enamel Diamond and Pink Sapphire Fish Brooch Pin
Located in New York, NY
Introducing a mesmerizing masterpiece that will captivate all eyes! Crafted with utmost precision, this 18K Yellow Gold and Green Enamel Fish Brooch Pin showcases exquisite artistry ...
Category

21st Century and Contemporary American Contemporary 3.5 Carat Brooches

Materials

Diamond, Pink Sapphire, 18k Gold, Yellow Gold, Enamel

Previously Available Items
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 ...
Category

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...
Category

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...
Category

1950s American Post-War Vintage 3.5 Carat Brooches

Materials

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...
Category

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...
Category

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...
Category

Early 1900s Unknown Victorian Antique 3.5 Carat Brooches

Materials

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...
Category

Early 1900s Unknown Antique 3.5 Carat Brooches

Materials

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

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...
Category

19th Century Unknown Victorian Antique 3.5 Carat Brooches

Materials

Diamond, Pearl, 18k Gold, White Gold

Victorian 3.65 Carat Diamond and Pearl White Gold Brooch
Victorian 3.65 Carat Diamond and Pearl White Gold Brooch
Free Shipping
H 0.27 in W 1.22 in L 1.45 in
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 ...
Category

Late 19th Century Victorian Antique 3.5 Carat Brooches

Materials

Diamond, 18k Gold

Rose Cut Diamond Swallow Pin
Located in Stamford, CT
Victorian swallow pin with large rose cut body and hundreds of full cut diamonds in the wings, tail and head. Ruby eyes in the swallow and silver top. Yell...
Category

Late 19th Century Victorian Antique 3.5 Carat Brooches

Materials

Diamond, Ruby, Yellow Gold, 14k Gold, Sterling Silver

Oscar Heyman Diamond Gold Golf Tee Pin
Located in New York, NY
For those "golf" widows or widowers who want to be in the game. A clever conversation piece - made by Oscar Heyman Bros. in 18kt Yellow Gold with fabulous Diamonds - Approximately 3...
Category

1980s American Vintage 3.5 Carat Brooches

Materials

Diamond, Yellow Gold, 18k Gold

Recently Viewed

View All