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18ct Gold And Platinum

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Antique Art Deco Pearl and Diamond 18ct Gold and Platinum Brooch
Located in Joelton, TN
Antique Art Deco Pearl and Diamond 18ct Gold and Platinum Brooch with Enclosed Gold Back. An
Category

Early 20th Century English Art Deco Brooches

Materials

Diamond, Pearl, 18k Gold

Sparkly 18ct Gold and Platinum 0.5ct Diamond Cluster Ring
Located in St Helens, GB
A superb diamond ring circa 1950. Solid 18 carat yellow gold shank with platinum head setting
Category

20th Century Engagement Rings

Materials

Diamond, Gold, Platinum

Edwardian 18ct Gold and Platinum 0.50ct Brilliant Diamond Ring Circa 1915
Located in Lancashire, Oldham
– Platinum/ 18ct gold/ diamond WEIGHT – 3.7g HALLMARK – Stamped ‘18ct’ and ‘Plat’ and tested throughout
Category

Early 20th Century English Edwardian Engagement Rings

Materials

Diamond, Gold, 18k Gold, Platinum

9.73ct Sapphire and Diamond 18ct Gold and Platinum Three Stone Engagement Ring
By Tobi Gem Setting
Located in London, GB
mounted in a four claw, 18ct yellow gold setting. The gemstone is perfectly accompanied by a trillion cut
Category

2010s English Modern Engagement Rings

Materials

Blue Sapphire, Sapphire, Diamond, Platinum, Gold

18ct Gold and Platinum Stamped 3 Stone Emerald Diamond 1940s Crossover Ring
Located in Brighton, GB
Vintage Emerald & Diamond Crossover Ring 18ct Gold & Platinum Stamped Circa 1940s Makers Mark F
Category

Mid-20th Century English Three-Stone Rings

Materials

Diamond, Emerald, Gold, 18k Gold, Platinum

1940's Ruby and Diamond Drop Cocktail Dress Earrings in 18ct Gold and Platinum
Located in Yorkshire, West Yorkshire
; 54.7mm. Width; 23.9mm. Depth; 2.9mm. Materials: tests as Platinum & 18ct Yellow Gold Stones: Diamonds
Category

Vintage 1940s British Art Deco Drop Earrings

Materials

Diamond, Ruby, Gold, Platinum

Pearl and Diamond Toi et Moi 18ct Gold and Platinum Engagement Ring, c.1910
Located in London, GB
rose gold mount. Tested 18 carat rose gold and platinum. England, circa 1910. UK finger size 'L'.
Category

Vintage 1910s English Edwardian Engagement Rings

Materials

Natural Pearl, Pearl, Diamond, Platinum, 18k Gold, Gold

Art Deco 18ct Gold and Platinum Pear Cut Ruby & Old Cut Diamond Ring, Circa 1920
Located in Lancashire, Oldham
A fabulous Art Deco 18ct white gold and platinum pear cut ruby and old cut diamond ring
Category

Vintage 1920s English Art Deco Cocktail Rings

Materials

Ruby, Diamond, Platinum, White Gold, 18k Gold, Gold

Retro, 18ct yellow gold and platinum, opal and diamond cluster ring, size O1/2
Located in London, GB
Dainty 18ct gold and platinum cluster ring featuring a central oval white opal surrounded by 0.35ct
Category

Vintage 1940s European Retro Cluster Rings

Materials

Diamond, Opal, 18k Gold, Yellow Gold, Platinum

Vintage Diamond 18 Carat and Platinum Ring
Located in Chipping Campden, GB
Classic diamond ring modelled in 18ct gold and platinum. This ring features a sparkling centre
Category

Vintage 1980s British Modern More Rings

Materials

Diamond, 18k Gold, Platinum

Edwardian Sapphire and Diamond 18 Carat and Platinum Three Stone Ring
Located in Chipping Campden, GB
This stunning 18ct gold and platinum ring holds a central emerald cut sapphire approximately 50pts
Category

Antique Early 1900s Unknown Edwardian More Rings

Materials

Diamond, Sapphire, 18k Gold, Platinum

Deco Bar Brooch with Diamonds & Sapphires
Located in Milano, MI
Dèco bar brooch with perforated design in 18ct gold and platinum with coroné rose cut diamonds and
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Sapphire, 18k Gold

Vintage Diamond Five-Stone 18 Carat Gold Ring
Located in Chipping Campden, GB
Five glistening diamonds sit fabulously on top of a simple setting modelled in 18ct gold and
Category

Vintage 1980s British Modern More Rings

Materials

Diamond, Gold, 18k Gold, Platinum

Edwardian 18ct Gold Old Cut Diamond Two Stone and Sapphire Ring, circa 1915
Located in Lancashire, Oldham
A very pretty early 20th century 18ct gold and platinum, old cut diamond two stone set with
Category

Vintage 1910s Edwardian Fashion Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Edwardian Diamond Three-Stone 18 Carat Ring
Located in Chipping Campden, GB
Three sparkling diamonds held in 18ct gold and platinum. The total weight of the three old cut
Category

Antique Early 1900s British Edwardian More Rings

Materials

Diamond, 18k Gold, Platinum

Antique Edwardian 18ct Gold Diamond Daisy Ring
Located in London, GB
piece is handmade from 18ct gold and platinum. This ring is a truly unique and rare piece, and would
Category

Early 20th Century English Edwardian Cluster Rings

Materials

Diamond, 18k Gold

New Georgian Style Old Cut Diamond Gold And Platinum Solitaire Ring, 2.72ct
By Moira Fine Jewellery
Located in London, GB
gold, with London Hallmark for 18ct gold and platinum, with date letter for 2022. Accompanied by GIA
Category

2010s British Georgian Engagement Rings

Materials

Diamond, 18k Gold, Platinum

Edwardian Natural Pearl and Diamond Bar Brooch
Located in London, GB
This is an 18ct gold and platinum bar brooch from the Edwardian era. The brooch is set with
Category

Early 20th Century Brooches

Materials

Diamond, Natural Pearl

Victorian Pearl, Diamond and Enamel Necklace
Located in London, GB
: 19mm x 19mm x 11mm Pearls: 3 (2.5mm) Chain Length: 18 inches Period: Victorian Tested As: 18ct Gold and
Category

Antique Late 19th Century Victorian Chain Necklaces

Materials

Diamond, Pearl, Gold, Yellow Gold, Platinum, Enamel

Art Deco Sapphire and Diamond Bracelet
Located in London, GB
diamonds both above and below. The back of the bracelet is 18ct yellow gold and the front is platinum in a
Category

Vintage 1930s Art Deco Link Bracelets

Materials

Diamond, Sapphire, Gold, 18k Gold, Yellow Gold, Platinum

Art Deco Sapphire and Diamond Bracelet
Art Deco Sapphire and Diamond Bracelet
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W 0.44 in L 6.75 in
Antique 18ct Gold & Platinum, Edwardian Diamond Daisy Cluster Drop Earrings
Located in Brighton, GB
Antique Diamond Earrings 18ct Yellow Gold & Platinum Tested Circa 1900 These stunning drop
Category

Early 20th Century English Edwardian Drop Earrings

Materials

Diamond, Gold, 18k Gold, Platinum

Cartier 18ct Gold And Diamond Hummingbird Brooch Circa 1960s
By Cartier
Located in London, GB
Setting 18ct gold and platinum signed Cartier London and numbered Weight 10.4 grams Dimensions 4.2cm / 1.6
Category

Mid-20th Century British Brooches

Materials

White Diamond, 18k Gold

Antique 18ct Gold & Platinum Stamped Original Art Deco Sapphire and Diamond Ring
Located in Brighton, GB
Sapphire Deco Ring 18ct Gold & Platinum Stamped Circa 1910 This stunning Art Deco ring is
Category

Early 20th Century English Art Deco Engagement Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Platinum

Antique 18ct Gold & Platinum, Edwardian Citrine, Pearl, Diamond Pendant Necklace
Located in Brighton, GB
Antique Citrine Necklace 18ct Gold & Platinum Tested Circa 1900 This exquisite Edwardian
Category

Early 20th Century English Edwardian Pendant Necklaces

Materials

Citrine, Diamond, Pearl, Gold, 18k Gold, Platinum

Antique 18ct Gold & Platinum, Art Deco, Sapphire Diamond Daisy Cluster Ring
Located in Brighton, GB
Antique Cluster Ring 18ct Gold & Platinum Stamped Circa 1920s This stunning art deco ring is a
Category

Early 20th Century English Art Deco Engagement Rings

Materials

Diamond, Sapphire, Gold, Platinum

Vintage 18ct Gold & Platinum 1960’s Sapphire Diamond Round Cluster Ring
Located in Brighton, GB
magnificent piece of jewellery. Crafted from 18ct gold and platinum, it features a stunning faceted natural
Category

Mid-20th Century English Cluster Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Platinum

Antique 18k gold and platinum Albert chain, watch chain, Art Deco
Located in NEWARK, GB
A handsome antique Art Deco era 18ct yellow gold and platinum Albert chain. As perfect piece, this
Category

Early 20th Century British Art Deco Chain Necklaces

Materials

18k Gold, Yellow Gold, Platinum

Antique Art Nouveau shamrock ring, Ruby, Diamond and Garnet doublet, 18k gold
Located in NEWARK, GB
represent faith, hope and love. Marks and era: Unmarked, electronically tests as 18ct gold and platinum
Category

Early 20th Century British Art Nouveau Engagement Rings

Materials

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

Vintage UnoAErre Italian Gold and Platinum Bracelet, circa 1970
By UnoAErre
Located in London, GB
An Italian 18ct gold and platinum chain link bracelet, by UnoAErre, featuring chunky long and short
Category

Vintage 1970s Italian Link Bracelets

Materials

Gold, Platinum

Edwardian Diamond Horseshoe Brooch
Located in London, GB
As: 18ct Gold and Platinum Box: Plain Gift Box
Category

Vintage 1910s Edwardian Brooches

Materials

Diamond, Gold, Yellow Gold, Platinum

Edwardian, Platinum, Diamond, Ruby and Emerald Giardinetto Pendant, circa 1910
Located in London, GB
diamonds, filled with a generous bouquet of flowers set with rubies, emeralds and diamonds in 18ct gold and
Category

Early 20th Century English Pendant Necklaces

Materials

White Diamond, Emerald, Ruby, Platinum

Art Nouveau Plique à Jour Enamel Diamond Ring Size M (52)
Located in London, GB
been crafted in 18ct yellow gold, platinum and enamel. Using the vitreous enamelling technique known as
Category

Early 20th Century Art Nouveau Fashion Rings

Materials

Diamond, Gold, Yellow Gold, Platinum, Enamel

Vintage Art Deco Diamond solitaire ring, Engagement ring, 18k gold and platinum
Located in NEWARK, GB
than this. Marks and era: Stamped Plat and 18ct to the inner band for 18ct gold and platinum, c1930s
Category

Early 20th Century British Art Deco Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Antique Natural Pearl and Diamond Brooch in Yellow Gold and Platinum
Located in Jesmond, Newcastle Upon Tyne
antique pearl brooch has been crafted in 18ct yellow gold with a platinum setting. The pierced decorated
Category

Vintage 1930s Unknown Brooches

Materials

Diamond, Pearl, Natural Pearl, 15k Gold, Yellow Gold, Platinum

Edwardian Opal Diamond Cluster Ring in 3.5 Carat Opal
Located in Kendal, GB
alternative to other ocean treasures such as pearls. The gallery is a union of 18ct gold and platinum with a
Category

20th Century Edwardian Cluster Rings

Materials

Diamond, Opal, White Gold

Vintage 1.02 Carat Emerald 18 Carat Yellow Gold and Platinum Ring
Located in Jesmond, Newcastle Upon Tyne
emerald ring has been crafted in 18 ct yellow gold and platinum. The pierced decorated yellow gold
Category

20th Century Unknown Solitaire Rings

Materials

Emerald, 18k Gold, Yellow Gold, Platinum

Antique 1.71ct Diamond and 18ct Yellow Gold Pendant
Located in Jesmond, Newcastle Upon Tyne
A stunning antique 1.71 carat diamond and 18 carat yellow gold, platinum set pendant; part of our
Category

20th Century Chain Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Antique 1.71ct Diamond and 18ct Yellow Gold Pendant
Antique 1.71ct Diamond and 18ct Yellow Gold Pendant
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H 0.14 in W 0.62 in L 18.75 in
Van Cleef & Arpels Pavé Set Yellow And White Diamond Bombe Dress Ring Cira 1980
By Van Cleef & Arpels
Located in London, GB
in platinum, the shoulders tapering to a double band at the back in plain 18ct yellow gold. This
Category

Late 20th Century American Dome Rings

Materials

White Diamond, Yellow Diamond, 18k Gold

Jewelry & Watches > Rings > Dome Rings
By Tiffany & Co.
Located in London, GB
Setting 18ct gold and platinum signed Tiffany & Co. Weight 12.9 grams Dimensions UK finger size K 1/2, US
Category

Late 20th Century British Dome Rings

Materials

White Diamond, Blue Sapphire, 18k Gold

Antique Art Deco 1.92ct Diamond and 18ct White Gold Clip Brooch / Pendant
Located in Jesmond, Newcastle Upon Tyne
stunning, fine and impressive antique diamond brooch has been crafted in 18ct white gold with s platinum
Category

20th Century Unknown Art Deco Brooches

Materials

Diamond, 18k Gold, White Gold

Antique 1920s Diamond and Yellow Gold Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
to the interior of the shank with the marks for 18ct gold and platinum (18&PT). This two stone dress
Category

20th Century Unknown Engagement Rings

Materials

Diamond, Platinum, Yellow Gold, 18k Gold

1900s Diamond, Cultured Pearl and Yellow Gold Pin Brooch
Located in Jesmond, Newcastle Upon Tyne
, fine and impressive antique pin has been crafted with 18 ct yellow gold and platinum settings and a 9
Category

Antique Early 1900s Unknown Brooches

Materials

Diamond, Cultured Pearl, Gold, 18k Gold, Yellow Gold

1900s Diamond, Cultured Pearl and Yellow Gold Pin Brooch
1900s Diamond, Cultured Pearl and Yellow Gold Pin Brooch
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H 0.16 in W 0.21 in Dm 0.16 in L 2.7 in
Antique 1915 Sapphire and 1.13ct Diamond Yellow Gold Bracelet
Located in Jesmond, Newcastle Upon Tyne
art technology (Niton XL2 Analyzer) and verified as platinum, 12 and 18 carat gold. This impressive
Category

Vintage 1910s Unknown Chain Bracelets

Materials

Diamond, Sapphire, Gold, Yellow Gold, Platinum

Art Deco 6.23 Carat Diamond Brooch
Located in Jesmond, Newcastle Upon Tyne
A stunning vintage Art Deco 6.23 carat diamond and 18 karat white gold, platinum set brooch; part
Category

Vintage 1940s Unknown Brooches

Materials

Diamond, 18k Gold, White Gold, Platinum

Art Deco 6.23 Carat Diamond Brooch
Art Deco 6.23 Carat Diamond Brooch
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H 0.44 in W 1.57 in L 2.72 in
Antique 1.58 Carat Diamond and 18k Yellow Gold Marquise Shaped Dress Ring
Located in Jesmond, Newcastle Upon Tyne
marquise-shaped diamond ring has been crafted in 18 ct yellow gold with a platinum setting. The pierced
Category

20th Century Unknown Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold

Vintage Pink Sapphire Tourmaline Diamond Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
diamond, 18 carat yellow and rose gold, platinum set brooch; part of our diverse vintage brooch
Category

Vintage 1940s Unknown Brooches

Materials

Diamond, Pink Sapphire, Tourmaline, Gold, 18k Gold, Rose Gold, Yellow Go...

Vintage Pink Sapphire Tourmaline Diamond Gold Brooch
Vintage Pink Sapphire Tourmaline Diamond Gold Brooch
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H 0.34 in W 1.79 in L 2.52 in
Floral-Design Round 4.19 Ct. Ruby and 1.50 Ct. Diamond Ring, Platinum & 18k Gold
Located in New York, NY
A Floral-Design Round 4.19 carats of Ruby and 1.50 carats of Diamond Ring made in Platinum & 18
Category

20th Century Cocktail Rings

Materials

Diamond, Ruby, 18k Gold, Platinum

Antique Edwardian 18ct Gold & Platinum Chain
Located in London, GB
Antique Edwardian 18ct Gold & Platinum Chain The last three 18ct gold links on each end are yellow
Category

Antique Early 1900s British Edwardian Chain Necklaces

Materials

Gold, Platinum

10.11 ct. Yellow Sapphire Ring, Ceylon Heated, Platinum and 18k Yellow Gold
By SONYA K.
Located in Brooklyn, NY
main stone is set in 18K yellow gold; the shank and the side stones are set in platinum. Ring size
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Yellow Sapphire, Diamond, Yellow Gold, Platinum, 18k Gold

18ct Yellow Gold and Platinum Sapphire and Diamond 1930s Engagement Ring
Located in London, GB
an 18ct yellow gold band which bears the inscription 'BJM - ST 28-8-48' suggesting that this is
Category

Vintage 1930s European Art Deco Engagement Rings

Materials

Diamond, Sapphire, Yellow Gold, Platinum, 18k Gold

Edwardian Platinum and 18ct Gold Sapphire and Old Cut Diamond Cluster Ring
Located in St Helens, GB
platinum shank and 18ct yellow gold head claw setting. Designed with a blue sapphire to centre with ten
Category

20th Century Engagement Rings

Materials

Diamond, Sapphire, Gold, Platinum

Edwardian .85 Ct Diamond .35 Ct Sapphire 18 KT Platinum Ring
Located in Napoli, IT
example Metal: 18 Kt yellow gold and platinum Hallmarks: assay, slightly worn Gems: 1 old mine cut
Category

Antique Early 1900s European Edwardian Cluster Rings

Materials

Diamond, Sapphire, 18k Gold, Platinum

Blue Zircon and Diamond Cluster ring in 18ct White Gold and Platinum
Located in Yorkshire, West Yorkshire
; 5.5mm. Band Width; 1.7mm. Materials: Platinum and 18ct White Gold Stones: Diamonds, Zircon
Category

1990s British Art Deco Cluster Rings

Materials

Diamond, Zircon, Blue Zircon, 18k Gold, White Gold, Platinum

Antique Platinum & 18ct Gold Edwardian Diamond and pearl Heart Pendant Necklace
Located in Brighton, GB
Edwardian Heart Necklace Platinum & 18ct White Gold Circa 1900 This intricate necklace
Category

20th Century English Edwardian Pendant Necklaces

Materials

Diamond, Pearl, Gold, 18k Gold, Platinum

Antique 1920’s 18ct Gold & Platinum, French Onyx and Diamond Ring
Located in Brighton, GB
Antique Onyx Ring 18ct Gold & Platinum Tested Circa 1920’s A fabulous, rounded-square shaped
Category

Early 20th Century French Engagement Rings

Materials

Diamond, Onyx, Gold, 18k Gold, Platinum

18ct White Gold and Platinum Victorian Opal, Diamond Lucky Horseshoe Necklace
Located in Brighton, GB
Antique Horseshoe Necklace 18ct White Gold Tested Circa 1880 This stunning Victorian-era
Category

Antique Late 19th Century English Victorian Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold, Platinum

Art Deco 2.15 Ct Sapphire 1.0 Ct Diamond 18 KT Platinum Ring
Located in Napoli, IT
a skilfully hand crafted mount of solid 18 kt gold and Platinum Hand crafted mounting of solid 18
Category

Vintage 1920s Art Deco Cluster Rings

Materials

Diamond, Sapphire, 18k Gold, Platinum

Galen 1990s Diamond Solitaire Band 18ct Gold Platinum
Located in Hamilton, AU
solitaire Transition Cut diamond in a luxurious white gold setting. Her minimalist design is perfect for
Category

1990s Unknown Modern Band Rings

Materials

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

Platinum and 18 KT Yellow Gold 3.74 Ct Radiant Cut Fancy Yellow Diamond Ring
Located in Palm Desert, CA
Set in Platinum and 18 karat yellow gold, weighing 11 grams, is a 3.74 carat Radiant Cut Fancy
Category

2010s More Rings

Materials

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

The Tiffany & Co. Étoile Diamond Pendant, in 18ct Yellow Gold and Platinum
By Tiffany & Co.
Located in London, GB
sophisticated piece set in 18-carat yellow gold and platinum. The timeless design of this pendant makes it
Category

2010s Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

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18ct Gold And Platinum For Sale on 1stDibs

Find the exact piece of 18ct gold and platinum you’re shopping for in the variety available on 1stDibs. Frequently made of Gold, Platinum and 18k Gold, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. Making the right choice when shopping for an item from our selection of 18ct gold and platinum may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. A choice in our collection of 18ct gold and platinum from LB Exclusive, Cynthia Scott and Michael Barin — each of whom created a beautiful version of this treasured accessory — is worth considering. While most can agree that any object in our assortment of 18ct gold and platinum from our collection can easily elevate most outfits, but the choice of a Diamond version from the 108 available is guaranteed to add a special touch to your ensemble. See these pages for a round cut iteration of this accessory, while there are also old european cut cut and old mine cut cut versions available here, too. There aren’t many items for men if you’re seeking an option in this array of 18ct gold and platinum, as most of the options available are for women and unisex.

How Much is a 18ct Gold And Platinum?

The price for a piece of 18ct gold and platinum starts at $337 and tops out at $825,000 with these rings, on average, selling for $3,658.