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Victorian 18 Karat Yellow Gold Rose Cut Diamond Double Snake Ring
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 Engagement Rings

Materials

Diamond, 18k Gold

Art Deco 18 Karat Gold Old Cut Diamond Geometric Pin 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, Gold

Vintage 18 Karat Yellow Gold TW 0.30 Carat Diamond Signet Ring
Located in Vilnius, Vilniaus apskr.
brilliant cut diamonds: TW 0.30ct, W-STW, VS-SI. Weight: 11.03g Size: 18 (US 7.75) IMPORTANT: please ask
Category

20th Century Modern Signet Rings

Materials

Diamond, 18k Gold

Vintage 950 Platinum TW 1.65 Carat Diamond VS-SI Floral Pin Brooch
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David Webb and etc
Category

Mid-20th Century Brooches

Materials

Diamond, Palladium, Platinum

Vintage 18 Karat Gold Diamond Pearl Openwork Half Crown Ring
Located in Vilnius, Vilniaus apskr.
, Georgian, Victorian styles, from engagement rings to rose-cut diamond brooches, also costume jewellery
Category

Late 20th Century English Modern Cocktail Rings

Materials

Diamond, Pearl, Gold, 18k Gold

Antique Victorian 18 Karat Gold Rose Cut Diamond Double Snake Ring
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

Antique Late 19th Century French Victorian Engagement Rings

Materials

Diamond, 18k Gold

Edwardian 14 Karat Gold 0.40 Carat Sapphire Diamond Pendant Necklace
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David Webb and etc
Category

Early 20th Century Edwardian Pendant Necklaces

Materials

Diamond, Sapphire, Gold, 14k Gold, 18k Gold

Vintage 900 Platinum 2.00 Carat Brilliant Cut VVS VS Diamond Eternity Ring
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David Webb and etc
Category

20th Century Modern Band Rings

Materials

Diamond, Platinum

Art Deco 18 Karat Gold Old Cut Diamond Openwork 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 Art Deco Cocktail Rings

Materials

Diamond, Gold

Belle Epoque 18 Karat Gold Sapphire Diamond Bow Design Engagement Ring
Located in Vilnius, Vilniaus apskr.
, Edwardian, Georgian, Victorian styles, from engagement rings to rose-cut diamond brooches, also costume
Category

Early 20th Century Belle Époque Engagement Rings

Materials

Diamond, Sapphire, Gold

Antique Victorian 14 Karat Yellow Gold Diamond Crescent Moon 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 French Victorian Brooches

Materials

Diamond, Gold, 14k Gold

Vintage 14 Karat Gold Cabochon Cut Garnet Rose Cut Diamond Cluster Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

20th Century Cluster Rings

Materials

Diamond, Garnet, Gold

Victorian 18 Karat Gold Old Mine Cut Diamond Question Mark 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 Engagement Rings

Materials

Diamond, Gold, 18k Gold

Edwardian 18 Karat Gold Virgin Mary Rose Cut Diamond Oval 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

Diamond, Gold, 18k 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

Midcentury 18 Karat Gold Diamond Initial J and S Letter Signet Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

Mid-20th Century Signet Rings

Materials

Diamond, Gold, 18k Gold

Vintage 18 Karat Gold Red Garnet 0.03 Carat Diamond Cocktail 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, Garnet, Gold, 18k Gold

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

Late 20th Century Modern Brooches

Materials

Diamond, Emerald, Sapphire, Gold, 18k Gold

Vintage 18 Karat Yellow Gold TW 0.07 Carat Diamond Panther 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

Diamond, 18k Gold, Yellow Gold

Art Deco 18 Karat Gold Platinum 0.24 Carat Diamond Tank Ring
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David Webb and etc
Category

Early 20th Century French Art Deco Cocktail Rings

Materials

Diamond, Gold, 18k Gold, Platinum

1970s Gilbert Albert 18 Karat Gold Ruby Diamond Sculptural Cocktail Ring
By Gilbert Albert
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David Webb and etc
Category

20th Century Swiss Modern Cocktail Rings

Materials

Diamond, Ruby, Gold, 18k Gold

Certified Art Deco Palladium VVS 2.80 Carat Emerald Diamond Engagement Ring
Located in Vilnius, Vilniaus apskr.
, Georgian, Victorian styles, from engagement rings to rose-cut diamond brooches, also costume jewellery
Category

Early 20th Century Art Deco Engagement Rings

Materials

Diamond, Emerald, Palladium

Danish Lene Vibe 18 Karat Gold Diamond Mano Figa Corkscrew Dangle Earrings
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, Yves Saint Laurent
Category

21st Century and Contemporary Danish Modern Drop Earrings

Materials

Diamond, Quartz, 18k Gold

Vintage 18 Karat Gold 6.50 Carat Emerald 2.50 Carat Diamond Tennis Bracelet
Located in Vilnius, Vilniaus apskr.
emeralds (oval cut, TW 6.50ct, vslbG 6/4, SI-P1) - 21 diamonds (round brilliant cut, TW 2.50ct, RW-W, VS-SI
Category

20th Century Modern Tennis Bracelets

Materials

Diamond, Emerald, Gold, 18k Gold

Victorian 18 Karat Gold Ruby Rose Cut Diamond Heart Crown 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, Ruby, Gold

Vintage 18 Karat Gold 3.00 Carat Emerald 0.30 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 Cocktail Rings

Materials

Diamond, Emerald, Gold, 18k Gold

Edwardian 14 Karat Gold 0.12 Carat Old Cut Diamond Openwork Rectangle 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 Edwardian Dome Rings

Materials

Diamond, Gold, 14k Gold

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

Antique Mid-19th Century Victorian Dome Rings

Materials

Diamond, Pearl, 18k Gold, Yellow Gold, Enamel

Vintage 18 Karat Gold 1.40 Carat Ruby 1.75 Carat Diamond Cluster Ring
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

20th Century Modern Cluster Rings

Materials

Diamond, Ruby, Gold, 18k Gold

Vintage 18 Karat Yellow Gold 1.30 Carat VS Diamond Eternity Band Ring
Located in Vilnius, Vilniaus apskr.
brilliant cut diamonds: TW 1.30ct, RW+/W, VS. Weight: 5.28g Size: 17.5 (US 7) Important: Cannot be resized
Category

20th Century Modern Band Rings

Materials

Diamond, 18k Gold, Yellow Gold

Vintage 18 Karat Gold 12.00 Carat Sapphire 0.28 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, Sapphire, Gold, 18k Gold

Mid-Century 950 Platinum 2.50 Carat Emerald 0.18 Carat Diamond Engagement Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

Mid-20th Century Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

Vintage 18 Karat Gold 4.60 Carat Sapphire 1.50 Carat Diamond Cluster Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

Late 20th Century Cluster Rings

Materials

Diamond, Sapphire, Gold, 18k Gold

Modern 18 Karat Gold 4.30 Carat Watermelon Tourmaline 0.50 Carat Diamond Ring
Located in Vilnius, Vilniaus apskr.
, Edwardian, Georgian, Victorian styles, from engagement rings to rose-cut diamond brooches, also costume
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Tourmaline, Gold, 18k Gold

Victorian 18 Karat Gold Rose Cut Diamond Pearl 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 French Victorian Lever-Back Earrings

Materials

Diamond, Pearl, Gold, 18k Gold

Victorian 18 Karat Gold Onyx Lady Cameo Rose Cut Diamond Pearl 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 French Victorian Pendant Necklaces

Materials

Diamond, Onyx, Pearl, Gold

Victorian 18 Karat Gold Amethyst Rose Cut Diamond Engagement Cluster 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 French Victorian Cluster Rings

Materials

Amethyst, Diamond, Gold, 18k Gold, Silver Plate

Vintage 18 Karat Gold 7.00 Carat Aquamarine 0.15 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

Aquamarine, Diamond, Gold, 18k Gold

Modern 14 Karat Gold 40.00 Carat Pear Cut Amethyst 0.31 Carat Diamond Pendant
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

Amethyst, Diamond, Gold, 14k Gold

Art Deco 18 Karat Gold 0.40 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

Early 20th Century Art Deco Cocktail Rings

Materials

Diamond, Gold, 18k Gold

Victorian 14 Karat Gold Rose Cut Diamond Pearl Question Mark Stick Pin Brooch
Located in Vilnius, Vilniaus apskr.
styles, from engagement rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian
Category

Antique Late 19th Century Victorian Brooches

Materials

Diamond, Pearl, Gold

Antique Victorian 950 Platinum Pearl 1.00 Carat Old Cut Diamond Cluster Ring
Located in Vilnius, Vilniaus apskr.
, Edwardian, Georgian, Victorian styles, from engagement rings to rose-cut diamond brooches, also costume
Category

Early 20th Century French Victorian Cluster Rings

Materials

Diamond, Pearl, Platinum

Victorian 18 Karat Gold Old Cut Diamond Blue Enamel Star Lever-Back Earrings
Located in Vilnius, Vilniaus apskr.
adorned with blue enamel. The piece features old mine cut and rose cut diamonds. Circa 1890. Weight
Category

Antique Late 19th Century Victorian Lever-Back Earrings

Materials

Diamond, Gold, Enamel

Art Deco 18 Karat Gold Diamond Chalcedony Jadeite Geometric Shape Pin Brooch
Located in Vilnius, Vilniaus apskr.
, Edwardian, Georgian, Victorian styles, from engagement rings to rose-cut diamond brooches, also costume
Category

Early 20th Century Swedish Art Deco Brooches

Materials

Diamond, Jade, Chalcedony, Gold

Edwardian 950 Platinum 2.00 Carat VVS Sapphire 0.10 Carat Diamond Cocktail Ring
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, David Webb and etc.
Category

Early 20th Century Edwardian Cocktail Rings

Materials

Diamond, Sapphire, 18k Gold, Platinum

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

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

A. Augis 18 Karat Gold Diamond Ruby “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

Vintage 18 Karat Yellow Gold 1.60 Carat Diamond Emerald Panther Pin Brooch
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

Late 20th Century Modern Brooches

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

Art Deco Platinum 1.25 Carat Oval Emerald 0.80 Carat Diamond Cluster Ring
Located in Vilnius, Vilniaus apskr.
: 1.25ct, vslbG 3/5, VS. The gem is paired with diamonds - 2pcs. baguette cut and 10pcs. round cut - which
Category

Early 20th Century French Art Deco Cluster Rings

Materials

Diamond, Emerald, Platinum

Poiray 18 Karat Gold 5.34 Carat Moonstone 0.34 Carat Diamond Cocktail Ring
By Poiray
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

21st Century and Contemporary French Modern Cluster Rings

Materials

Diamond, Moonstone, Gold, 18k Gold

Vintage 18 Karat Gold 0.70 Carat Amethyst 0.70 Carat Diamond Cluster Ring
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

Late 20th Century French Modern Cluster Rings

Materials

Amethyst, Diamond, 18k Gold

Victorian 14 Karat Gold 0.35 Carat Ruby 0.72 Carat Diamond Navette 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 Cocktail Rings

Materials

Diamond, Ruby, Gold, 14k Gold

Vintage 18 Karat Gold 3.0 Carat Green Chalcedony 1.92 Carat Diamond Cufflinks
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

Late 20th Century Belgian Modern Cufflinks

Materials

Chalcedony, Diamond, Gold, 18k Gold

Antique Victorian 18K Gold 0.85 Carat Emerald 0.34 Carat Diamond Cluster Ring
Located in Vilnius, Vilniaus apskr.
diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix, Yves Saint Laurent
Category

Antique Late 19th Century French Victorian Cluster Rings

Materials

Diamond, Emerald, 18k Gold

Victorian 18 Karat Gold Rose Cut Diamond Seed Pearl Jabot Sword Stick Pin Brooch
Located in Vilnius, Vilniaus apskr.
. The piece features rose cut diamonds and seed pearls. Weight: 2.93g Length: 6cm Chain length: 4.5cm
Category

Early 20th Century Victorian Brooches

Materials

Diamond, Pearl, Gold

Chaumet Vintage 18 Karat Gold Pearl 0.80 Carat VS Diamond Cocktail Ring
By Chaumet
Located in Vilnius, Vilniaus apskr.
rings to rose-cut diamond brooches, also costume jewellery: Chanel, Christian Dior, Christian Lacroix
Category

20th Century French Modern Cocktail Rings

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.