Skip to main content
Want more images or videos?
Request additional images or videos from the seller
1 of 7

Michael Bondanza Onyx Amethyst 18k Gold Bar Brooch, circa 1980

About the Item

Michael Bondanza Onyx Amethyst 18K Gold Bar Brooch circa 1980 Extravagant Michael Bondanza designer brooch made of yellow gold in the shape of a stylized buffalo horn, centrally set with a violet sugarloaf amethyst cabochon, flanked by two deep black onyx elements, two twisted golden tips form the end. 18K gold 1 amethyst sugarloaf cabochon 2 onyx elements Size 10 cm long, 1.4 cm wide, max. 1.1 cm thick Weight 19.98g cancelled 18K maker's mark Michael Bondanza, New York ® Condition: used, in very good condition with only minimal signs of wear from private collection Impressive brooch by New York jewelry designer Michael Bondanza. Each piece is unique, made by hand with the greatest care and using the finest materials. Before Michael Bondanza founded his jewelry business in New York City in the early 1970s, his interests included mathematics, painting and sculpture. Inspired by Native American art, Michael Bondanza quickly developed his own distinctive style and his timeless designs quickly attracted a discerning clientele.

More From This Seller

View All
Antique 2.5 Carat Diamond 18k Gold and Platinum Brooch, circa 1930
Located in Goettingen, DE
Antique 2.5 Carat Diamond 18K Gold and Platinum Brooch circa 1930 Decorative, leaf-shaped curved diamond brooch, pierced and set with 66 diamonds totalling 2.5 ct, with the 5 larger...
Category

Vintage 1930s German Art Deco Brooches

Materials

Diamond, 18k Gold, Platinum

Retro 2.1ct Diamond Ruby Leaf Brooch in 18K Gold and Platinum, circa 1945
Located in Goettingen, DE
Retro 2.1 ct Diamond Ruby Leaf Brooch in 18K Gold and Platinum circa 1945 Very representative diamond brooch, naturalistically designed in the form o...
Category

Vintage 1940s German Retro Brooches

Materials

Diamond, Ruby, 18k Gold, Yellow Gold, Platinum

Vintage Boucheron 18k Gold 0.5 Carat Diamond Flower Brooch
By Boucheron
Located in Goettingen, DE
Vintage Boucheron 18K Gold Diamond Flower Brooch This representative diamond brooch is designed as a large blossom, the naturally crafted petals sculpted by hand from high-carat, fi...
Category

Late 20th Century Swiss Brooches

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Art Deco 3 Carat Diamond Platin Gold Bar Brooch Pin, circa 1930
Located in Goettingen, DE
Art Deco 3 Carat Diamond 18K White Gold Bar Brooch Pin, circa 1930 Impressive 3,78 inch (9.6 cm) long diamond bar brooch in boat shape, set in a line...
Category

Vintage 1920s German Art Deco Brooches

Materials

Diamond, 18k Gold, White Gold, Platinum

Antique Victorian Onyx 1.4 Carat Diamond Shell Brooch 18K Gold circa 1860
Located in Goettingen, DE
Antique Victorian Onyx 1.4 Carat Diamond Shell Brooch 18K Gold circa 1860 Enchanting onyx diamond brooch in the shape of a shell with a setting m...
Category

Antique Mid-19th Century European Victorian Brooches

Materials

Diamond, Onyx, 18k Gold

Art Deco 5.2 Carat Diamond Platinum Bar Brooch, circa 1930
Located in Goettingen, DE
Art Deco 5.2 carat diamond platinum bar brooch circa 1930 This decorative brooch is designed as an elongated pin and geometrically with wavy ribbons and openwork like a grid, set wi...
Category

Vintage 1930s Unknown Art Deco Brooches

Materials

Diamond, Platinum

You May Also Like

Vintage Cultured Pearl & 750/18K Gold Flower Brooch, E.U., Circa 1980's
Located in Chatham, CA
Fine vintage cultured pearl and 750 / 18K yellow gold flower brooch - hand made - featuring a central creamy white round pearl (approx. 7 mm. in diameter) - the surrounding gold flow...
Category

Late 20th Century European Modernist Brooches

Materials

Cultured Pearl, 18k Gold, Yellow Gold

1980s Amethyst Diamond Tourmaline Floral Gold Pin Brooch
Located in Miami, FL
This aesthetically alluring brooch pin is crafted in a solid 14K white and yellow gold, the latter applied to colored gemstone settings. It weighs 22.5 grams and measures 2 long x 1....
Category

Vintage 1980s American Retro Brooches

Materials

Amethyst, Diamond, Tourmaline, Gold, 14k Gold, White Gold, Yellow Gold

Pearl 18k Gold Brooch
Located in Geneva, CH
18K yellow gold brooch centered by a cultured pearl. Length: 5.80 centimeters. Gross weight: 2.11 grams.
Category

Early 20th Century European Brooches

Materials

Pearl, 18k Gold, Yellow Gold

Pearl 18k Gold Brooch
$1,456
Free Shipping
Natural White Pearl and Diamond 18K Yellow Gold Bar Brooch
Located in London, GB
A silver-topped 18 karat (18K) yellow gold bar brooch set with three button-shape natural white pearls interspaced by 20 rose-cut and two old-cut diamonds. Unmarked but tested as 18 ...
Category

Antique 19th Century French Brooches

Materials

Diamond, Pearl, Gold, 18k 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

Antique Early 1900s Unknown Brooches

Materials

Amethyst, Diamond, 15k Gold, White Gold

Modernist 18K Yellow Gold Brooch with Sapphires, Italy, Circa 1970's
Located in Chatham, CA
Modernist 18K (.750) yellow gold brooch with four sapphires (each gemstone round faceted - claw set - approx. 1 mm. diameter - approx. 0.07 carat weight total) - hand made featuring fine and elaborate textured finish - original safety catch and pin - vintage retail...
Category

Late 20th Century Italian Modernist Brooches

Materials

Sapphire, 18k Gold, Yellow Gold

Recently Viewed

View All