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3.5 Carat Brooches

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Carat Weight: 3.5 Carat
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

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

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 jewellery and estate jewelry collections. This stunning, fine...
Category

1940s Vintage 3.5 Carat Brooches

Materials

Diamond, Platinum

Tiffany & Co. Diamond Starburst Brooch
By Tiffany & Co.
Located in New York, NY
Tiffany and company diamond starburst brooch. This brooch is set with 116 round brilliant cut diamonds with total weight of approximately 3.5ct, color F-G, clarity VS. Equipped with...
Category

Late 20th Century Artist 3.5 Carat Brooches

Materials

Diamond, Platinum

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, fi...
Category

1890s Victorian Antique 3.5 Carat Brooches

Materials

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

3.5 Ct Natural Oval Emerald Bug Broach/Pin 14 Karat Yellow Gold 7.7 Gm, Enamel
Located in New York, NY
Antique Bug Shaped natural oval Emerald 14 Karat Gold Pin/Broach, with enamel Approximate weight of emerald is 3.5 carats to a gently curving Bug shape fitted to reverse with a...
Category

Early 2000s 3.5 Carat Brooches

Materials

Emerald, 14k Gold, Yellow Gold, Enamel

GIA Certified Vintage 3.70 Carat Diamond and Ruby European Pin
Located in Miami, FL
Metal: 14k yellow gold. Diamonds: 1.70cwt. G color and SI clarity. Old European cut diamonds. Unisex. 100% naturale earth mined diamonds. Ruby: 2.00cwt round cut ruby. 100% natural ...
Category

20th Century Art Deco 3.5 Carat Brooches

Materials

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

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

GRS Certified 3.83 Carat Emerald
Located in London, GB
Vibrant 3.83 carat natural octagon emerald with minor oil treatment. This beautiful stone would be the perfect fit for a lovely ring or pendant to add a splash of colour to your life...
Category

21st Century and Contemporary Contemporary 3.5 Carat Brooches

Materials

Emerald

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 impres...
Category

1940s Vintage 3.5 Carat Brooches

Materials

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

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

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

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

Related Items
Edwardian Diamond Jabot
Located in New York, NY
Timeless Edwardian Diamond Jabot! Sword shape jabot with 56 diamonds encrusted in gold. The jabot finial is attached with gold chain. Total weight of the diamonds is app. 5 carats...
Category

20th Century Edwardian 3.5 Carat Brooches

Materials

Diamond, 18k Gold

Diamond Flower Clip-Brooch
Located in New York, NY
Platinum and Diamond Flower Clip- Brooch The stylized tulip with overlapping petals and leaves pavé-set with round diamonds, completed by a stem of baguette and fancy-shaped diamonds...
Category

1980s Artist Vintage 3.5 Carat Brooches

Materials

Diamond, Platinum

Art Deco Diamond Brooch
Located in New York, NY
Art Deco Diamond Brooch in platinum. In the center vertically set baguette cut diamond weighing approximately 1.00 carat. The rest of this beautiful pin set with old European / roun...
Category

1930s Art Deco Vintage 3.5 Carat Brooches

Materials

Diamond, Platinum

  • Art Deco Diamond Brooch
  • Art Deco Diamond Brooch
  • Art Deco Diamond Brooch
  • Art Deco Diamond Brooch
W 1.75 in. L 2 in.
Diamond Flower Brooch
Located in New York, NY
Carnelian design, with pave diamonds set in white gold petals and bordered with 18k yellow gold brooch. Estimated diamond weight is 10 carats, F/G color VS clarity 18k gold 23 dwt (...
Category

Mid-20th Century Artist 3.5 Carat Brooches

Materials

Diamond, 18k Gold

Gemstone and Diamond "Chinese Key" Brooch
Located in New York, NY
Gemstone and Diamond Chinese Key brooch This brooch has diamonds, rubies, emerald, sapphire and black enamel, set in 18kt white gold and platinum. It has makers mark, french assay ma...
Category

Mid-20th Century Artist 3.5 Carat Brooches

Materials

Diamond, Emerald, Ruby, Sapphire, 18k Gold, Platinum

Victorian Diamond and Ruby Brooch/Buckle
Located in New York, NY
Magnificent Victoria diamond and ruby brooch/buckle Measurements: Length: 2 inches Width. 1.25 inch Gold andPlatinum
Category

Late 19th Century Victorian Antique 3.5 Carat Brooches

Materials

Diamond, Ruby, Platinum, 14k Gold

Nally Diamond 'Camellia" Brooch
Located in New York, NY
Diamond and 18k Yellow Gold 'Camellia" Flower Pin. This pin has 251 round brilliant cut diamonds with a total carat weight of approximately 15ct all set in 18k yellow gold. Stamped h...
Category

Late 20th Century Artist 3.5 Carat Brooches

Materials

Diamond, 18k Gold

  • Nally Diamond 'Camellia" Brooch
  • Nally Diamond 'Camellia" Brooch
  • Nally Diamond 'Camellia" Brooch
  • Nally Diamond 'Camellia" Brooch
H 1.63 in. L 3.38 in.
Retro Color Diamond Brooch
Located in New York, NY
Circa 1940's. Antique yellow and white diamond Diamond Clip-Brooch. This brooch features scrolled design encrusted with total of approximately 9.55 carats of old Euro cut diamonds a...
Category

1940s Artist Vintage 3.5 Carat Brooches

Materials

Diamond, 18k Gold

  • Retro Color Diamond Brooch
  • Retro Color Diamond Brooch
  • Retro Color Diamond Brooch
  • Retro Color Diamond Brooch
H 2.76 in. W 1.58 in.
Harry Winston Diamond Brooch
By Harry Winston
Located in New York, NY
Harry Winston Diamond Flower brooch. This brooch has about 230 diamonds, including the center stone, weighting approximately 20carats , all set in platinum The center diamond is abou...
Category

Late 20th Century Artist 3.5 Carat Brooches

Materials

Diamond, Platinum

Pink Sapphire and Diamond Brooch
Located in New York, NY
Pink sapphire & diamond leaf design brooch in 18k yellow gold. Set with 32 oval and pear shape pink sapphires weighing total of approx. 15carats and 40 round brilliant cut diamonds ...
Category

1990s Artist 3.5 Carat Brooches

Materials

Pink Sapphire, Diamond, 18k Gold

Pink Blue Sapphire Diamond Turtle Brooch
Located in New York, NY
Beautiful pink & blue sapphire with diamonds turtle brooch. The brooch is composed of: Oval shape pink sapphire weighs 6.50carat Blue sapphire, weighs 1.50carat Brilliant cut diamond...
Category

Late 20th Century Artist 3.5 Carat Brooches

Materials

Diamond, Blue Sapphire, Pink Sapphire, 18k Gold

Tiffany & Co. Diamond Starburst Brooch
By Tiffany & Co.
Located in New York, NY
Tiffany and company diamond starburst brooch. This brooch is set with 116 round brilliant cut diamonds with total weight of approximately 3.5ct, color F-G, clarity VS. Equipped with...
Category

Late 20th Century Artist 3.5 Carat Brooches

Materials

Diamond, Platinum

Previously Available Items
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

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

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 collection...
Category

Early 1900s Victorian Antique 3.5 Carat Brooches

Materials

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

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 3.5 Carat Brooches

Materials

Diamond, 18k 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 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
  • Victorian 3.65 Carat Diamond and Pearl White Gold Brooch
  • Victorian 3.65 Carat Diamond and Pearl White Gold Brooch
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H 0.27 in. W 1.22 in. L 1.45 in.
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

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 worn as a brooch or a pemdant.
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. 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

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

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