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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

Marilyn Monroe Memorabilia Personal Costume Expansion Bracelet
Located in Sherman Oaks, CA
Monkey Business, and a photo of Marguerite and Marilyn behind the scenes of her iconic number “Diamonds
Category

Vintage 1940s American Retro Bracelets

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

Victorian 18 Karat Gold Rose Cut Diamond Chimera Dragon Pendant
Located in Vilnius, Vilniaus apskr.
rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David
Category

Antique Late 19th Century Victorian Pendant Necklaces

Materials

Diamond, Gold

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

Natural Diamond Eternity 14K Yellow Solid Round Band Ring
Located in Chicago, IL
Material14k Gold, Natural Diamond Theme: Fashion & Costumes, Gambling/Casino, Halloween, Holiday, Home
Category

2010s Indian Band Rings

Materials

Diamond, Yellow Gold, 14k Gold

Edwardian 14 Karat Gold Ruby Diamond Navette Cocktail Ring
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

Early 20th Century Edwardian Cocktail Rings

Materials

Diamond, Ruby, Gold, 14k Gold

Modern 18 Karat White Gold 1.40 Carat Diamond Band Ring
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 Band Rings

Materials

Diamond, 18k Gold, White Gold

Vintage 14 Karat Gold TW 1.10 Carat Diamond Cocktail Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

20th Century Modern Cocktail Rings

Materials

Diamond, Gold, 14k Gold

Vintage 18 Karat Gold TW 1.17 Carat Diamond Cocktail Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

20th Century Modern Cocktail Rings

Materials

Diamond, Gold, 18k Gold

Edwardian 18 Karat Gold Triangle Cut Emerald Diamond Stick Pin Brooch
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

20th Century Edwardian Brooches

Materials

Diamond, Emerald, Gold

Victorian 18 Karat Gold Old Cut Diamond Crescent Moon Pin Brooch
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 Brooches

Materials

Diamond, Gold

Art Deco 950 Platinum TW 2.70 Carat Diamond Bar Brooch
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

Early 20th Century Art Deco Brooches

Materials

Diamond, Platinum

Art Deco 18 Karat Gold Diamond Bow Shape 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 Art Deco Cocktail Rings

Materials

Diamond, Gold, 18k Gold

Ferri Firenze 18 Karat Gold Emerald Diamond Enamel Foulard Pendant
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

21st Century and Contemporary Italian Modern Pendant Necklaces

Materials

Diamond, Emerald, Gold, 18k Gold, Enamel

Edwardian 18 Karat Gold Peridot Rose Cut Diamond Mini Bar Brooch
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

Early 20th Century Edwardian Brooches

Materials

Diamond, Peridot, Gold

Vintage 18 Karat Gold Diamond Emerald Ruby Sapphire Band Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

20th Century Modern Band Rings

Materials

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

Victorian 18 Karat Gold Ruby Rose Cut Diamond Snake Pin Brooch
Located in Vilnius, Vilniaus apskr.
: - blue paste - rubies - rose cut diamonds Has a trombone clasp. Serpents were highly symbolic during
Category

Antique Late 19th Century Victorian Brooches

Materials

Diamond, Ruby, Gold

Vintage 18 Karat Gold TW 0.92 Carat Diamond Drop Stud Earrings
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

Mid-20th Century Drop Earrings

Materials

Diamond, Gold, 18k Gold

Vintage 18 Karat Gold 0.55 Carat Diamond Openwork Cocktail Ring
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

20th Century Modern Cocktail Rings

Materials

Diamond, Gold, 18k Gold

Modern 18 Karat Gold Amethyst 0.21 Carat Diamond Stud Earrings
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

Late 20th Century Modern Stud Earrings

Materials

Amethyst, Diamond, Gold, 18k Gold

Victorian 18 Karat Gold Enamel Diamond Musician Lady Portrait Stick Pin Brooch
Located in Vilnius, Vilniaus apskr.
. Circa 1890 The piece is crafted in 18K gold, features rose cut diamonds and colourful enamel. Weight
Category

Antique Late 19th Century Victorian Brooches

Materials

Diamond, Gold, Enamel

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

Vintage 18 Karat Gold 0.55 Carat Rose Cut Diamond Cocktail Ring
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

Mid-20th Century Cocktail Rings

Materials

Diamond, Gold, 18k Gold

Victorian 18 Karat Gold 1.00 Carat Old Cut Diamond Cluster Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

Early 20th Century French Victorian Cluster Rings

Materials

Diamond, 18k Gold

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 Opal 0.50 Carat Diamond Cluster Ring
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

Late 20th Century Modern Cluster Rings

Materials

Diamond, Opal, Gold, 18k Gold

Victorian 9 Karat Gold Ruby Old Cut Diamond Double Snake Ring
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 Engagement Rings

Materials

Diamond, Ruby, Gold, 9k Gold

Victorian 925 Silver Gold Brownish Red Paste 0.15 Carat Diamond Cluster Ring
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 Cluster Rings

Materials

Diamond, Gold, Silver

Victorian 18 Karat Gold Diamond Initials Pearl Enamel Oval Locket Pendant
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 Pendant Necklaces

Materials

Diamond, Pearl, Gold, Enamel

Edwardian 9 Karat Gold Garnet Rose Cut Diamond Three-Stone Ring
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

Early 20th Century Edwardian Three-Stone Rings

Materials

Diamond, Garnet, Gold, 9k 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

Vintage 18 Karat Yellow Gold 0.50 Carat Diamond Navette Ring
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

Mid-20th Century Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold

Midcentury 14 Karat Gold 0.03 Carat Diamond Love Knot Bar Brooch
Located in Vilnius, Vilniaus apskr.
, Edwardian, Georgian, Victorian styles, from engagement rings to rose-cut diamond brooches, also costume
Category

Mid-20th Century Victorian Brooches

Materials

Diamond, Gold, 14k Gold

Modern 14 Karat Gold 0.40 Carat Emerald 0.20 Carat Diamond Pendant 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 Pendant Necklaces

Materials

Diamond, Emerald, Gold, 14k Gold

Art Nouveau 18 Karat Gold Rose Cut Diamond Lady Portrait Stick Pin 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 Art Nouveau Brooches

Materials

Diamond, Gold

Edwardian 950 Platinum 2.70 Carat VS Old European Cut Diamond Solitaire Ring
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

Early 20th Century Edwardian Engagement Rings

Materials

Diamond, Platinum

Art Deco 18 Karat Gold Old Cut Diamond Onyx Rectangle 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 Art Deco Cocktail Rings

Materials

Diamond, Onyx, Gold

Art Deco 18 Karat Gold TW 0.73 Carat Diamond 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 Art Deco Cocktail Rings

Materials

Diamond, Gold, 18k Gold

Vintage 18 Karat Gold 4.60 Carat Tourmaline 0.45 Carat Diamond Cocktail Ring
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David Webb and etc.
Category

20th Century Modern Cocktail Rings

Materials

Diamond, Tourmaline, Gold, 18k Gold

Vintage 14 Karat Gold TW 0.96 Carat Diamond Bow Shape Cocktail Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

20th Century Modern Cocktail Rings

Materials

Diamond, Gold, 14k Gold

Certified Mouawad 18 Karat Gold 11.20 Carat Emerald 6.37 Carat Diamond Bracelet
By Mouawad
Located in Vilnius, Vilniaus apskr.
be found in photo gallery). The bracelet is set with 194 natural emeralds and 120 natural diamonds
Category

21st Century and Contemporary Modern Bangles

Materials

Diamond, Emerald, Gold, 18k Gold

Vintage 18 Karat Gold 1.25 Carat Ruby 0.20 Carat Diamond Cocktail Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

20th Century Modern Cocktail Rings

Materials

Diamond, Ruby, Gold, 18k Gold

Edwardian 14 Karat White 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, White Gold

Vintage 18 Karat Gold 1.20 Carat Emerald 1.10 Carat Diamond Cocktail Ring
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David Webb and etc
Category

20th Century Modern Cluster Rings

Materials

Diamond, Emerald, Gold, 18k Gold

Vintage 9 Karat Gold 0.50 Carat Rose Cut Diamond Solitaire Engagement Ring
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

Mid-20th Century Engagement Rings

Materials

Diamond, Gold, 9k Gold, Silver

Mid Century 18 Karat Gold 0.46 Carat SI1 Diamond Solitaire Engagement Ring
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David Webb and etc
Category

20th Century Modern Solitaire Rings

Materials

Diamond, Gold, 18k Gold

Vintage 18 Karat Yellow Gold 0.77 Carat Diamond Wide Band Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

Late 20th Century Modern Band Rings

Materials

Diamond, 18k Gold, Yellow Gold

Modern 14 Karat Gold 1.00 Carat Tanzanite 0.65 Carat Diamond Cocktail Ring
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David Webb and etc.
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Tanzanite, Gold, 14k Gold

A. Augis 18 Karat Gold Ruby Diamond “Plus Qu'hier” Love Charm Pendant
By A. Augis
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

Mid-20th Century Modern Pendant Necklaces

Materials

Diamond, Ruby, Gold

Modern 950 Platinum 2 Carat Pear Cut Tanzanite 0.60 Carat Diamond Cluster 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 Cluster Rings

Materials

Diamond, Tanzanite, Platinum

Vintage 14 Karat White Gold Pearl 0.49 Carat Diamond Openwork Cocktail Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

Mid-20th Century Modern Cocktail Rings

Materials

Diamond, Pearl, 14k Gold, White Gold

Victorian 18 Karat Gold Rose Cut Diamond Red Paste Horseshoe Stick Pin Brooch
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

Early 20th Century Victorian Brooches

Materials

Diamond, Gold, 18k Gold

Victorian 14 Karat Gold Rose Cut Diamond Colourful Pearl Holly Leaf Pin 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

1960s Vintage 18 Karat Gold 0.51 Carat Diamond Red Enamel Floral 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, Enamel

Vintage 18 Karat Gold TW 1.60 Carat Old Mine Cut Diamond Cluster Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

Mid-20th Century Modern Cluster Rings

Materials

Diamond, Gold, 18k Gold

Vintage 18 Karat Gold 0.38 Carat Emerald 0.07 Carat Diamond Cluster Ring
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David Webb and etc
Category

Late 20th Century Belgian Modern Cluster Rings

Materials

Diamond, Emerald, Gold, 18k Gold

Vintage 14 Karat Gold 1.90 Carat Diamond 4.50 Carat Sapphire Round Small Brooch
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

Mid-20th Century Modern Brooches

Materials

Diamond, Sapphire, Gold, 14k Gold

Victorian 18 Karat Gold Pearl Rose Cut Diamond Cluster Stick Pin 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, 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.