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3.5 Carat Brooches

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Antique 2.63 Carat Amethyst and 2.24 Carat Diamond White Gold Brooch
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 a...
Category

Early 1900s Antique 3.5 Carat Brooches

Materials

Amethyst, Diamond, 15k Gold, White 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 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 Antique 3.5 Carat Brooches

Materials

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

Antique 3.98 Carat Labradorite and Seed Pearl Diamond and Yellow 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, fi...
Category

1890s Victorian Antique 3.5 Carat Brooches

Materials

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

Opal, Ruby, Sapphire and 3.50 Carat 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 impress...
Category

1940s Vintage 3.5 Carat Brooches

Materials

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

Valentin Magro Diamond Pave Gold Rose Bud Brooch
Located in New York, NY
Valentin Magro Diamond Pave Gold Rose Bud Brooch looks ready to bloom. It features two 18k yellow gold branches which curve and cross over one another, with more gold hugging the bud...
Category

2010s 3.5 Carat Brooches

Materials

White Diamond, Diamond, Gold, 18k Gold

Vintage Diamond Sapphire Brooch
Located in Beverly Hills, CA
Created in 1950's in 14KT white gold of six swirls of crashing waves design is set with 1.80 carat of Round Brilliant cut Diamonds, and 1.80 carat of shimmery Ceylon Sapphires. The...
Category

Mid-20th Century Modern 3.5 Carat Brooches

Materials

Diamond, Sapphire, 14k 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

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

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 and encrusted with 3.51 carats of sparklin...
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. identification & origin certifi...
Category

20th Century Edwardian 3.5 Carat Brooches

Materials

Diamond, Spinel, Platinum

Yellow Gold and Diamond Knot Pin
Located in Boca Raton, FL
Style: 18k Yellow Gold and Diamond Knot Pin Material: 18K Yellow Gold Diamonds: Approx 3.88 ctw, H/I in color and VS in clarity. Dimensions: 2" x1.75" Total Weight: 24.6g (15.8dwt) C...
Category

20th Century 3.5 Carat Brooches

Materials

Diamond, 18k Gold, Yellow Gold

Retro White Gold Earring & Pin Suite
Located in New York, NY
Pair of 14kt White gold Clip-on Earrings of cat tail floral Bouquets set with round & Baguette Diamonds - accompanied by a matching Retro foliate clip, also set with round & baguett...
Category

1940s Vintage 3.5 Carat Brooches

Materials

Diamond, White Gold, 14k Gold

Related Items
Antique Sapphire and 3.10 Carat Diamond White Gold Bow Brooch
Located in Jesmond, Newcastle Upon Tyne
Category

Mid-20th Century 3.5 Carat Brooches

1940s 2.63 Carat Diamond White Gold Trilogy Ring
Located in Jesmond, Newcastle Upon Tyne
Category

1940s Vintage 3.5 Carat Brooches

Antique Victorian 1.50 Carat Diamond and Pearl Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
Category

1890s Victorian Antique 3.5 Carat Brooches

2.24 Carat Opal and Ruby Yellow Gold Pendant / Brooch
Located in Jesmond, Newcastle Upon Tyne
Category

1920s Vintage 3.5 Carat Brooches

1890s Antique Diamond and Ruby Yellow Gold Cockerel Brooch
Located in Jesmond, Newcastle Upon Tyne
Category

1890s Antique 3.5 Carat Brooches

Antique 1.55 Carat Diamond and White Gold Butterfly Brooch
Located in Jesmond, Newcastle Upon Tyne
Category

1920s Vintage 3.5 Carat Brooches

Antique Diamond, Ruby, and Sapphire and Yellow Gold Sweetheart Pin Brooch
Located in Jesmond, Newcastle Upon Tyne
Category

1920s George V Vintage 3.5 Carat Brooches

1890s Antique Diamond Pearl and Yellow Gold Brooch Belle Époque
Located in Jesmond, Newcastle Upon Tyne
Category

1890s Antique 3.5 Carat Brooches

Antique 2.58 Carat Sapphire 2.40 Carat Diamond and Pearl Brooch
Located in Jesmond, Newcastle Upon Tyne
Category

1910s Vintage 3.5 Carat Brooches

Antique Victorian 4.05 Carat Diamond and Pearl Gold and Silver Tiara Brooch
Located in Jesmond, Newcastle Upon Tyne
Category

1880s Antique 3.5 Carat Brooches

1900s Antique 1.84 Carat Diamond and Platinum Brooch
Located in Jesmond, Newcastle Upon Tyne
Category

Early 1900s Antique 3.5 Carat Brooches

Antique 1920s 2.26 Carat Amethyst and Diamond Yellow Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
Category

1920s Vintage 3.5 Carat Brooches

Previously Available Items
Original 1960s David Webb Enamel Diamond Knot Brooch
Located in Greenwich, CT
Blue and green enamel knot brooch in 18k yellow gold, set with 50 circular-cut diamonds weighing approximately 3.75 total carats, signed "Webb" for David Webb.
Category

20th Century 3.5 Carat Brooches

Materials

Diamond, Yellow Gold, 18k Gold

David Webb Enamel Diamond Gold Knot Brooch
Located in Greenwich, CT
Blue and green enamel knot brooch in 18k yellow gold, set with 50 circular-cut diamonds weighing approximately 3.75 total carats, signed "WEBB" for David Webb.
Category

20th Century 3.5 Carat Brooches

Materials

Diamond, White Diamond, 18k Gold, Yellow Gold

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 Vintage 3.5 Carat Brooches

Materials

Diamond, Yellow Gold, 18k Gold

Van Cleef & Arpels Clover Clip Brooch
Located in Chicago, IL
Circa: 1980, 18K Yellow Gold 4 Leaf Clover Clip Brooch, set with approximately 3.50 Carats Fine white Round Brilliant cut Diamonds and Centrally set with a fine Color Ruby approximat...
Category

1980s Vintage 3.5 Carat Brooches

Materials

Diamond, Ruby, 18k Gold

Victorian Era Old Mine Cut Diamond Gold Cross
Located in Washington, DC
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 worn as a brooch or a pemdant.
Category

Late 19th Century Victorian Antique 3.5 Carat Brooches

Materials

Diamond, 18k Gold

Tiffany & Co. Late Victorian Diamond Gold Platinum Fleur-de-Lis Pendant Brooch
Located in Greenwich, CT
Fleur-de-Lis pendant brooch, set with old mine-cut diamonds weighing approximately 3.75 total carats, the largest diamond weighing approximately 0.65 carats, mounted in platinum topp...
Category

Late 19th Century Antique 3.5 Carat Brooches

Materials

White Diamond, Diamond, Gold, Platinum, Yellow 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. Yellow gold back. Secure old st...
Category

Late 19th Century Victorian Antique 3.5 Carat Brooches

Materials

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

Antique Diamond Gold Crescent Moon Starburst Brooch
Located in Greenwich, CT
Diamond triple-tiered crescent moon and starburst brooch, set with rose-cut diamonds weighing approximately 3.60 total carats (H-J color/SI1-SI2 clarity), mounted in 18k gold, circa ...
Category

19th Century Antique 3.5 Carat Brooches

Materials

Diamond, White Diamond, 18k Gold, Yellow Gold

Cartier Diamond Foliate Circle Pin
Located in Greenwich, CT
Diamond stylized foliate motif open circle pin, set with 72 round diamonds weighing approximately 3.60 total carats, mounted in platinum, numbered 10877, signed Cartier. 1.37" diamet...
Category

20th Century 3.5 Carat Brooches

Materials

Diamond, White Diamond, Platinum

David Webb Enamel & Diamond Knot Brooch
Located in Greenwich, CT
Blue and green enamel knot brooch in 18k yellow gold, set with 50 circular-cut diamonds weighing approximately 3.75 total carats, signed "Webb" for David Webb.
Category

20th Century 3.5 Carat Brooches

Materials

Diamond, Yellow Gold, 18k Gold

Diamond Snowflake Brooch
Located in Greenwich, CT
Diamond snowflake brooch in platinum, centering a 1.02-carat round brilliant cut diamond (H color, VS1 clarity) surrounded by circular and baguette cut diamonds weighing 2.64 total c...
Category

21st Century and Contemporary 3.5 Carat Brooches

Materials

Diamond, White Diamond, Platinum

Sterle Diamond Platinum Branch Pin
Located in Greenwich, CT
Branch pin, designed in textured platinum, set with 35 circular-cut diamonds weighing approximately 3.50 total carats, signed Sterle.
Category

20th Century 3.5 Carat Brooches

Materials

Diamond, Platinum