Costume Diamonds
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Art Deco Large Vintage Costume Diamond Cocktail Ring
By Magnificent Costume Jewelry
Located in New York, NY
Vintage Large Cocktail Diamond Pearl Sterling Costume Jewelry Dinner Ring
Our exclusive jewelry is
Category
Vintage 1980s North American Art Deco Fashion Rings
Materials
Diamond, Pearl, Sterling Silver
Edwardian Estate Diamond Pearl Vintage Costume Jewelry Bracelet
By Magnificent Costume Jewelry
Located in New York, NY
Edwardian Estate Diamond Pearl Vintage Costume Jewelry Bracelet
Our exclusive jewellery is unique
Category
2010s North American Art Deco Beaded Bracelets
Materials
Diamond, Pearl, Sterling Silver
Art Deco 1920s Style Diamond Gold Costume Jewelry Brooch
By Magnificent Costume Jewelry
Located in New York, NY
Art Deco 1920s Style Diamond Gold Costume Jewelry Brooch
Very real looking Vintage Art Deco CZ
Category
Mid-20th Century European Art Deco Brooches
Materials
Other, Diamond, Vermeil, Gold
Art Deco Sapphire Diamond Necklace Bergdorf Goodman Costume Jewelry
By Magnificent Costume Jewelry
Located in New York, NY
Art Deco Style Costume Jewelry Bergdorf Goodman Old Stock French Faux Sapphire Diamante Rhodium
Category
21st Century and Contemporary French Art Deco Beaded Necklaces
Materials
Diamond, Sapphire, Rhodium, Sterling Silver
Art Deco Costume Jewelry Cartier Style Fruit Salad Diamond Bracelet
By Magnificent Costume Jewelry
Located in New York, NY
Art Deco Cartier Style emerald carved beads, cabochon rubies, diamond costume jewelry bracelet
Category
2010s North American Art Deco Retro Bracelets
Materials
Diamond, Emerald, Ruby, Sterling Silver
Art Deco Vintage Coral Pearl Diamond Costume Jewelry Tassel Necklace
By Magnificent Costume Jewelry
Located in New York, NY
Art Deco Style Coral Pearl Diamond Costume Jewelry Tassel Necklace by Clive Kandel
From our Art
Category
2010s North American Art Deco Pendant Necklaces
Materials
Coral, Diamond, Pearl, Sterling Silver
Art Deco Style Diamond Costume Jewelry Cartier Inspired Pendant Necklace
By Magnificent Costume Jewelry
Located in New York, NY
Art Deco Design Diamond Costume Jewelry Cartier Inspired Pendant Necklace
Amazingly refined and
Category
2010s North American Art Deco Drop Necklaces
Materials
Diamond, Sterling Silver
Cartier Edwardian Inspired Large Diamond Sterling Bow Costume Jewelry Pin
By Magnificent Costume Jewelry
Located in New York, NY
Cartier Inspired Garland Style Large CZ Diamond Sterling Bow Pin
Our exclusive jewellery is
Category
2010s Canadian Belle Époque Brooches
Materials
Diamond, Sterling Silver
Art Deco Large Diamond Carved Emerald Long Costume Jewelry Chandelier Earrings
By Magnificent Costume Jewelry
Located in New York, NY
Art Deco Large Diamond Carved Emerald Long Costume Jewellery Chandelier Earrings.
One of a kind
Category
2010s North American Art Deco Drop Earrings
Materials
Diamond, Emerald, Sterling Silver
Harry Winston Style Lab Diamond Cut CZ Emerald Costume Jewelry Earrings
By Magnificent Costume Jewelry
Located in New York, NY
Harry Winston Style Lab Diamond Cut CZ Emerald Costume Jewelry Earrings
Harry Winston Style Large
Category
2010s North American Contemporary Drop Earrings
Materials
Diamond, Emerald, Sterling Silver
Art Deco Large Diamond Burma Ruby Costume Jewelry Pair Clip Brooches
By Magnificent Costume Jewelry
Located in New York, NY
Art Deco Cartier Style Large Diamond Burma Ruby Costume Jewellery Pair Clip Brooches
Magnificent
Category
2010s North American Art Deco Clip-on Earrings
Materials
Diamond, Ruby, Sterling Silver
Anna Wintour Antique Style Lab CZ Diamond Cut Sterling Costume Jewelry Necklace
By Magnificent Costume Jewelry
Located in New York, NY
Anna Wintour Antique Style Lab CZ Diamond Cut Sterling Costume Jewelry Necklace.
Anna Wintour has
Category
2010s North American Belle Époque Drop Necklaces
Materials
Diamond, Sterling Silver
Art Deco Costume Jewelry Diamond Cut CZ Cabochon Lab Emerald Love Ring
By Magnificent Costume Jewelry
Located in New York, NY
The Art Deco Toi et Moi Love Ring In Costume Jewelry 10 Carat Each Diamond Cut Lab CZ and Lab
Category
2010s North American Art Deco Cocktail Rings
Materials
Diamond, Emerald, Sterling Silver
30 Carat Costume Jewelry Lab Grown Sapphire CZ Diamond Cut Cluster Ring
By Magnificent Costume Jewelry
Located in New York, NY
Thirty Carat Royal Blue Sapphire Diamond Costume Jewelry Cluster Ballerina Ring
Magnificent Royal
Category
2010s North American Art Deco Fashion Rings
Materials
Diamond, Blue Sapphire, Sterling Silver
Classic 10-carat Costume Jewelry Canary Yellow and 4-carat White Diamond Ring
By Magnificent Costume Jewelry
Located in New York, NY
Yellow and 4-carat White Diamond Costume Jewellery Ring
Our lab-grown D-grade diamond-cut cubic Zirconia
Category
2010s North American Belle Époque Fashion Rings
Materials
White Diamond, Sterling Silver
Vintage Art Deco Costume Jewelry CZ Diamonds Sterling Earrings by Clive Kandel
By Magnificent Costume Jewelry
Located in New York, NY
found on 1stibs.
Vintage Art Deco Costume Jewelry Cubic Zirconia Sterling Long Dangly Tassel Earrings
Category
Late 20th Century European Art Deco Drop Earrings
Materials
Crystal, Sterling Silver
Toi et Moi Love Ring In Costume Jewelry 10 Carat Each Lab CZ Diamond Ring
By Magnificent Costume Jewelry
Located in New York, NY
The Art Deco Toi et Moi Love Ring Lab Grown D Grade Diamond Cut Cubic Zirconia 10 Carat Each
Category
2010s North American Art Deco Fashion Rings
Materials
Diamond, Sterling Silver
Harry Winston Smithsonian Spanish Inquisition Costume Jewelry Replica Necklace
By Magnificent Costume Jewelry
Located in New York, NY
Harry Winston Smithsonian Spanish Inquisition Necklace Costume Jewelry Replica. Made for an
Category
2010s North American Art Deco Multi-Strand Necklaces
Materials
Diamond, Emerald, Sterling Silver
The Toi et Moi Love Ring In Costume Jewelry 15 Carat Each Asscher Cut Diamonds
By Magnificent Costume Jewelry
Located in New York, NY
Two stunning Lab Grown D Grade Diamond Cut Cubic Zirconia , cut in the Asscher cut style and set
Category
2010s North American Art Deco Fashion Rings
Materials
Diamond, Sterling Silver
Costume Jewelry Lab Created Ruby CZ Bracelet Antique Romantic Style
By Magnificent Costume Jewelry
Located in New York, NY
Costume Jewelry Lab Created Ruby CZ Bracelet Antique Romantic Style
Handmade antique-style lab
Category
Early 2000s North American Belle Époque Retro Bracelets
Materials
Diamond, Ruby, Sterling Silver
Diamond Ruby Necklace Bracelet Earring Real Looking Costume Jewelry Set
Located in New York, NY
Diamond Ruby Necklace Bracelet Earring Real Looking Costume Jewellery Set
Made in New York, a fine
Category
2010s North American Art Deco Pendant Necklaces
Materials
Diamond, Ruby, Sterling Silver
Classic Antique Royal Style Lab Grown Sapphire and Antique Diamond Cut CZ Ring
By Magnificent Costume Jewelry
Located in New York, NY
Diamond Cut CZ Costume Jewellery Ring.
Our ring is a classic British Royal Style Three Stone Ring much
Category
2010s North American Belle Époque Fashion Rings
Materials
Diamond, Sapphire, Sterling Silver
Classic Antique Style 10-carat Lab Grown Burma Sapphire Lab CZ Diamond Cut Ring
By Magnificent Costume Jewelry
Located in New York, NY
Diamond Cut Costume Jewellery Ring Our Man-Made hand-cut CZ diamonds and sapphires are of the finest
Category
2010s North American Belle Époque Fashion Rings
Materials
Diamond, Sapphire, Sterling Silver
The Toi et Moi Love 5 Carat Each Asscher Cut Lab CZ Diamond Cut Ring
By Magnificent Costume Jewelry
Located in New York, NY
The Toi et Moi Love Ring In Costume Jewelry 15 Carat Each Asscher Cut Lab CZ Diamonds Cut
Two
Category
2010s North American Art Deco Fashion Rings
Materials
Diamond, Sterling Silver
The Art Deco Toi et Moi Love Lab CZ Diamond Cut and Lab Emerald Ring
By Magnificent Costume Jewelry
Located in New York, NY
The Art Deco Toi et Moi Love Lab CZ Diamond Cut and Lab Emerald Ring
Two stunning man-made
Category
2010s North American Fashion Rings
Materials
Diamond, Sterling Silver
The Jackie O' 40 Carat Marquise D Color Lab Grown Diamond Quality CZ Ring
By Magnificent Costume Jewelry
Located in New York, NY
Jackie O' 40 Carat Marquise D Colour Lab Grown D Grade Diamond Cut Cubic Zirconia Ring Copy
A
Category
1990s American Art Deco Cocktail Rings
Materials
Diamond, Silver
Harry Winston Style Lab Grown Emerald Diamond Cut CZ Oval Cluster Cocktail Ring
By Magnificent Costume Jewelry
Located in New York, NY
Harry Winston Style Lab Grown Diamond Cut Cubic Zirconia and 25 carat Lab Grown Emerald Costume
Category
2010s North American Art Deco Fashion Rings
Materials
Emerald, Sterling Silver
Costume Sapphire and Diamond Tennis Line Gold Tone Bracelet
Located in Miami Beach, FL
Faux sapphires and diamond bracelet made with crystal stones. It combines classic tennis bracelet
Category
Vintage 1970s More Bracelets
Materials
Sterling Silver
Large Eight Carats Each Lab CZ Diamond Cut Sterling Antique Style Ear Studs
By Magnificent Costume Jewelry
Located in New York, NY
Large Eight Carats Each Lab CZ Diamond Cut Sterling Antique Style Ear Studs
Antique Cut Large
Category
2010s North American Belle Époque Stud Earrings
Materials
Zircon, Sterling Silver
Art Deco Cartier Style Faux Cultured Pearl Diamond Bracelet by Clive Kandel
By Magnificent Costume Jewelry
Located in New York, NY
Our exclusive jewellery is unique; this is the only jewel of such design, quality and elegance found on 1stibs.
Cartier Style Art Deco Finest Faux Cultured Pearls Diamante Sterling ...
Category
21st Century and Contemporary American Art Deco Beaded Bracelets
Materials
Pearl, Sterling Silver
Vintage Diamond Floral Spray Brooch in Silver-Tone Metal Mid-Century Costume
Located in Jacksonville, FL
brilliant-cut clear rhinestones or simulated diamonds set in silver-tone metal. Each "leaf" is composed of
Category
Mid-20th Century Unknown Retro Brooches
Materials
Silver
$1,984 Sale Price
20% Off
W 3 in D 1 in L 3 in
Vintage Costume White Metal And CZ Sterling Stamp Brooch & Clip-On Earrings Set
Located in Carmel By The Sea, CA
earrings, featuring brilliant imitation white diamonds, likely cubic zirconia (CZ), set in plated white
Category
Vintage 1950s Clip-on Earrings
Materials
Diamond, Base Metal
$156 Sale Price
20% Off
Mid Century 18 Karat Gold Diamond Drop Stud Earrings
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category
Mid-20th Century Modern Drop Earrings
Materials
Diamond, Gold
Vintage 18 Karat Gold ~1.80 Carat Diamond Solitaire Engagement Ring
Located in Vilnius, Vilniaus apskr.
, Edwardian, Georgian, Victorian styles, from engagement rings to rose-cut diamond brooches, also costume
Category
20th Century Engagement Rings
Materials
Diamond, Gold
Art Deco 18 Karat Gold Diamond Openwork Cocktail Ring
Located in Vilnius, Vilniaus apskr.
, Edwardian, Georgian, Victorian styles, from engagement rings to rose-cut diamond brooches, also costume
Category
20th Century Art Deco Cocktail Rings
Materials
Diamond, Gold
Edwardian 18 Karat Gold Sapphire Diamond Openwork Cocktail Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category
Early 20th Century Edwardian Cocktail Rings
Materials
Diamond, Sapphire, Gold
Modern 18 Karat Gold 1.40 Carat Diamond Band Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category
21st Century and Contemporary Modern Band Rings
Materials
Diamond, 18k Gold
Vintage 18 Karat Gold Amethyst Diamond Three-Stone Ring
Located in Vilnius, Vilniaus apskr.
, Edwardian, Georgian, Victorian styles, from engagement rings to rose-cut diamond brooches, also costume
Category
20th Century Three-Stone Rings
Materials
Amethyst, Diamond, Gold, 18k Gold
Edwardian 18 Karat Gold TW ~1.80 Carat Diamond Drop Pendant
Located in Vilnius, Vilniaus apskr.
This is an Edwardian drop pendant crafted in 18K gold. Circa 1920.
The piece features diamonds
Category
Early 20th Century Edwardian Pendant Necklaces
Materials
Diamond, Gold
Edwardian 18 Karat Gold Ruby Diamond Openwork Cocktail Ring
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David Webb and etc
Category
Early 20th Century Edwardian Cocktail Rings
Materials
Diamond, Ruby, Gold, 18k Gold
Modern 18 Karat White Gold TW 7.00 Carat Diamond Collier Necklace
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category
21st Century and Contemporary Modern Link Necklaces
Materials
Diamond, 18k Gold
Snowflake Cluster Diamond Pendant Necklace in 14k Gold
Located in Chicago, IL
, Fashion & Costumes
Colored Diamond Intensity: Faint
Pendant/Locket Type: Charm
Personalize: No
Cut Grade
Category
2010s Indian Pendant Necklaces
Materials
Diamond, Yellow Gold, 14k Gold
Edwardian 950 Platinum TW 1.55 Carat Diamond Lizard Pin Brooch
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David Webb and etc
Category
20th Century Edwardian Brooches
Materials
Diamond, Platinum
Edwardian Silver 9.00 Carat Aquamarine 0.65 Carat Diamond Pendant Necklace
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category
Early 20th Century Edwardian Pendant Necklaces
Materials
Aquamarine, Diamond, Silver
Vintage 9 Karat Gold Silver Diamond Drop Lever-Back Earrings
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category
Mid-20th Century Lever-Back Earrings
Materials
Diamond, Gold, Silver
Edwardian 18 Karat Gold TW 0.60 Carat Diamond Band Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category
Early 20th Century Edwardian Band Rings
Materials
Diamond, Gold, 18k Gold
Vintage 18 Karat Gold Green Enamel Diamond Frog Small Pin Brooch
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category
20th Century Modern Brooches
Materials
Diamond, Gold, 18k Gold, Enamel
Modern 18 Karat Gold 1.10 Carat Black Diamond Skull Two Finger Cocktail Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category
21st Century and Contemporary Modern Cocktail Rings
Materials
Diamond, Black Diamond, Brown Diamond, Gold, 18k Gold
Victorian 14 Karat Gold Corundum 0.40 Carat Diamond Drop Pendant
Located in Vilnius, Vilniaus apskr.
, Edwardian, Georgian, Victorian styles, from engagement rings to rose-cut diamond brooches, also costume
Category
Antique Late 19th Century Victorian Pendant Necklaces
Materials
Diamond, Gold, 14k Gold
Edwardian 14 Karat Gold Pearl Rose Cut Diamond Bow Pendant Necklace
Located in Vilnius, Vilniaus apskr.
and rose cut diamonds. Circa 1920.
Signed “585” on the clasp
Weight: 5.50g
Pendant size: 3.5x3.3cm
Category
Early 20th Century Edwardian Pendant Necklaces
Materials
Diamond, Pearl, Gold
Midcentury 14 Karat Gold 0.03 Carat Diamond Love Knot Bar Brooch
Located in Vilnius, Vilniaus apskr.
, Georgian, Victorian styles, from engagement rings to rose-cut diamond brooches, also costume jewellery
Category
Mid-20th Century Victorian Brooches
Materials
Diamond, Gold, 14k Gold
Vintage 950 Palladium 0.40 Carat Ruby 0.54 Carat Diamond Band Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category
Mid-20th Century Band Rings
Materials
Diamond, Ruby, Palladium
Victorian 18 Karat Gold Pearl Rose Cut Diamond Arrow Bar Brooch
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category
Antique Late 19th Century Victorian Brooches
Materials
Diamond, Pearl, Gold
Edwardian 14 Karat Gold 0.20 Carat Rose Cut Diamond Cross Pendant
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category
Early 20th Century Edwardian Pendant Necklaces
Materials
Diamond, 14k Gold
Edwardian 14 Karat Gold Emerald Old Cut Diamond Crown Bar Brooch
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category
Early 20th Century Edwardian Brooches
Materials
Diamond, Emerald, Gold, 14k Gold
Vintage 1999 Piaget “Possession” 18 Karat Gold Diamond Spinning Band Ring
By Piaget
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David Webb and etc
Category
Late 20th Century Swiss Modern Band Rings
Materials
Diamond, Gold, 18k Gold
Victorian 9 Karat Gold 3.20 Carat Diamond Front Fastening Cluster Earrings
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David Webb and etc
Category
Antique Late 19th Century Victorian Drop Earrings
Materials
Diamond, Gold, 9k Gold, Silver
$2,324
Dm 0.71 in L 1.19 in
Modern 18 Karat Gold 3.55 Carat Emerald 4.30 Carat Diamond Bracelet
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category
21st Century and Contemporary Modern Link Bracelets
Materials
Diamond, Emerald, Gold, 18k Gold
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Costume Diamonds For Sale on 1stDibs
Find an expansive variety of costume diamonds available on 1stDibs. Frequently made of Silver, Sterling Silver and Gold, these items were constructed with great care. Our collection of these items for sale includes 12 vintage editions and 67 modern creations to choose from as well. Our inventory is broad and distinctive, with accessories on offer that were made as long ago as the 20th Century to those produced as recently as the 21st Century. The designs in our inventory of costume diamonds bearing Art Deco or Modern hallmarks are very popular. There have been many well-made iterations of these items over the years, but those made by Magnificent Costume Jewelry, Clive Kandel for Magnificent Costume Jewelry and Trifari are often thought to be among the most beautiful. Browse our collection of 2 Zircon versions today to add the perfect touch to your look. A selection of brilliant cut, cabochon and cushion cut can be found today on these pages. If you’re browsing the variety of costume diamonds for sale, you’ll find that many are available today for women, but there are still pieces to choose from for men.
How Much are Costume Diamonds?
On average, costume diamonds at 1stDibs sell for $500, while they’re typically $114 on the low end and $2,500 for the highest priced versions of this item.
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Tiffany Bird Nest
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Schlumberger Egg
Van Cleef Clematis
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Versace Medusa Brooch
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