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Platinum 18k Gold Diamond

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TIFFANY & Co. Platinum 18K Gold Diamond Cruciform Cross Pendant Necklace
By Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. Platinum 18K Gold Diamond Cruciform Cross Pendant Necklace Metal: Platinum and 18K
Category

2010s American Pendant Necklaces

Materials

Diamond, 18k Gold, Platinum

Art Deco Era Platinum 18K Gold Diamond Pearl Brooch
Located in Versailles, FR
the center. The diamonds are mounted in platinum and the brooch is mounted in 18K white gold. The
Category

Early 20th Century French Art Deco Brooches

Materials

Diamond, Pearl, 18k Gold, Platinum

Vintage McTeigue & Co. Platinum & 18k Gold Diamond Leaf Feather Brooch Pin
Located in Montclair, NJ
Weight: 2.0 (approx.) Material: Solid 18k Yellow Gold w/ Solid Platinum Total Weight: 18.26 Grams
Category

Vintage 1950s Brooches

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Art Deco 1915 Enthroned Buddha Necklace in Platinum 18k Gold Diamonds & Quartz
By Fred Leighton
Located in Miami, FL
Austria or Germany. This necklace was carefully crafted in .900/.999 platinum with details in yellow gold
Category

Vintage 1910s Austrian Art Deco Pendant Necklaces

Materials

White Diamond, Quartz, Ruby, Agate, Diamond, Gold, 18k Gold, Yellow Gold...

Art Deco 1915 Enthroned Buddha Necklace in Platinum 18k Gold Diamonds & Quartz
Art Deco 1915 Enthroned Buddha Necklace in Platinum 18k Gold Diamonds & Quartz
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H 2.76 in W 0.35 in Dm 15.5 in L 1.1 in
Antique Convertible Platinum 4.70 Ct Diamond Pendant Brooch
Located in Flushing, NY
Antique Convertible Platinum & 18K Gold 4.70 Carat Diamond Pendant Brooch A Fine example of a
Category

Early 20th Century Pendant Necklaces

Materials

White Diamond, Gold, 18k Gold, Platinum

GIA Fancy Intense Yellow Diamond Floret Ring in Platinum and 18k Gold
Located in La Jolla, CA
GIA Certified Fancy Intense Yellow Diamond Floret Ring in Platinum & 18k Gold Diamond Floret Ring
Category

21st Century and Contemporary North American Cluster Rings

Materials

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

Diamond Floating Bangle 1.73 Carat Platinum 18K Rose Gold
By Harbor Diamonds
Located in New York, NY
This 18k rose bangle features one round brilliant weighing 1.73 carats, in a platinum bezel. Great
Category

2010s American Contemporary Bangles

Materials

Diamond, 18k Gold, Platinum, Rose Gold

Diamond and 18 K Yellow Gold and White Platinum "Flower" Engagement Ring
Located in Hong Kong, HK
White Diamond and 18K Yellow Gold and White Platinum "Flower" Engagement Ring: A very elegant
Category

2010s Hong Kong Contemporary Engagement Rings

Materials

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

Tiffany & Co. Schlumberger Platinum 18 K Gold Blue Enamel 5.96 Ct Diamond Bangle
By Jean Schlumberger for Tiffany & Co.
Located in New York, NY
asked in 1956 by the president of Tiffany & Co. 18 K gold and platinum is 160.2 grams. Since 1956 Jean
Category

21st Century and Contemporary French Retro Bangles

Materials

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

Vintage Blue Sapphire and Diamond Earrings in 18 K Gold and Platinum, AGL Cert.
Located in New York, NY
Moguldiam Inc Vintage Ceylon Blue Sapphire And Diamond Dangle earrings In 18K Yellow Gold And
Category

1990s American Art Deco Dangle Earrings

Materials

Diamond, Blue Sapphire, 18k Gold, Platinum

Diamond Pave Platinum and 18K Gold Earrings
Located in Beverly Hills, CA
One pair of diamond pave platinum and 18K yellow gold earrings with geometric design featuring 32
Category

Vintage 1970s Clip-on Earrings

Materials

Diamond, 18k Gold, Platinum, Yellow Gold

Platinum 18K Gold Emerald Diamond Necklace, AGL
Located in New York, NY
This emerald diamond necklace is finely crafted in 18k gold and platinum. It consists of 1 emerald
Category

20th Century Pendant Necklaces

Materials

Diamond, Emerald, 18k Gold, Platinum

Verdura Diamond 18k Gold Platinum Primrose Earclips
By Verdura
Located in New York, NY
Capture Spring Elegance with Verdura Diamond and 18k Gold Primrose Earclips Embrace the timeless
Category

21st Century and Contemporary Italian Contemporary Clip-on Earrings

Materials

Diamond, 18k Gold, Platinum

Diamond Platinum 18K Yellow Gold Earrings
Located in Geneva, CH
Diamond Platinum and 18K Yellow Gold Earrings. Introducing a dazzling pair of earrings that
Category

Late 20th Century European Contemporary Hoop Earrings

Materials

Diamond, Yellow Gold, Platinum

Platinum Canary Diamond Ring with 18K Gold
Located in Houston, TX
Platinum ring with 18K yellow gold strips on the top featuring an oval canary diamond weighing 0.10
Category

21st Century and Contemporary Unknown Cocktail Rings

Materials

Diamond, Yellow Diamond, 18k Gold, Platinum

18K Gold and Platinum Pavé Diamond Ring
Located in Houston, TX
1970's ring in 18K yellow gold features pavé round diamonds in platinum. There are 41 round
Category

Late 20th Century Unknown Band Rings

Materials

Diamond, Platinum, 18k Gold

Edwardian Diamond 18K & Platinum Pin
Located in Solvang, CA
Antique Edwardian diamond 18K & platinum pin, circa 1910. This antique pin is crafted in 18 karat
Category

Vintage 1910s Brooches

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

18K Yellow Gold Platinum Diamond Engagement Ring
Located in Guaynabo, PR
diameter; Color-F-G; Clarity- VS; Kimberly diamond ) mounted in 18K yellow gold and platinum bezel setting
Category

20th Century European Modern Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

18K Yellow Gold Platinum Ribbon Diamond Earrings
By Valentin Magro
Located in New York, NY
Ribbons bring a festive heart to these earrings. Three 18k yellow gold V-cut ribbons curve to
Category

2010s American Clip-on Earrings

Materials

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

18K Yellow Gold Platinum Ribbon Diamond Earrings
18K Yellow Gold Platinum Ribbon Diamond Earrings
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W 1.13 in D 0.57 in L 1.12 in
Cable Diamond Wedding Band 18 Karat Yellow Gold and Platinum 1.31 Carat
By Harbor Diamonds
Located in New York, NY
18K Yellow gold cable motif wedding band featuring one row of 27 round brilliants weighing 1.31
Category

1990s American Contemporary Band Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

CROSSETTE RING – Diamond, 18K Gold and Platinum
Located in London, GB
Crossette, Handcrafted in 18 Carat yellow gold and platinum ring; with double shank and modern
Category

2010s British Art Deco Fashion Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

18k Yellow Gold and Platinum Diamond Bangle Bracelet
Located in Princeton, NJ
gold sections with platinum inlays, 5 sections azure pave’ set with 77 round brilliant cut diamonds
Category

2010s Bangles

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Sapphire and Diamond Platinum and 18k Gold Earclips
Located in Beverly Hills, CA
One pair of sapphire and diamond platinum and 18K yellow gold earclips featuring two bezel set
Category

Vintage 1970s Clip-on Earrings

Materials

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

0.83ct Sapphire, Diamond, 18K Gold & Platinum Pendant
Located in MAIN BEACH, QLD
Pendant Dimensions (W x L): 9.6 x 12.6mm (approx. 3/8 x 1/2 inch) Setting: 18K solid Gold, Platinum Chain
Category

21st Century and Contemporary Australian Modern Pendant Necklaces

Materials

Diamond, Sapphire, 18k Gold, Platinum

Citrine and Diamond 18K Gold and Platinum Ring
Located in Beverly Hills, CA
One citrine and diamond 18K yellow gold and platinum ring centering one deep orangey amber color
Category

Vintage 1960s Cluster Rings

Materials

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

18K Gold And Platinum Diamond Dog Pin Brooch
Located in New York, NY
An 18K yellow gold pin brooch with a platinum dog figure garnished with diamonds. The eye of the
Category

20th Century Unknown Brooches

Materials

Ruby, Diamond, Platinum, 18k Gold

Ring with diamond platinum and 18k yellow gold
Located in The Hague, ZH
Platinum with 18k gold ring set with marquise cut diamond 0.18 ct F/G US - ring size US. 6.75 - EU
Category

2010s Dutch Modern Fashion Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Platinum 18kt Gold .44cttw Round Brilliant Diamond Eternity Band 6.5 Sz, 5mm NEW
By Rock N Gold Creations
Located in Rancho Santa Fe, CA
NEW Platinum and 18kt yellow gold flush set round brilliant diamond eternity band of 5 mm wide
Category

Early 2000s American Artist Band Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

18K Yellow Gold & Platinum Tanzanite and Diamond Pendant
Located in Lexington, KY
This 18k yellow gold and platinum pendant with tanzanite and diamond is extraordinary. Being made
Category

Vintage 1960s American Contemporary Pendant Necklaces

Materials

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

Diamond Dangle Earring in Platinum and 18k Gold
By MOGULDIAM INC
Located in New York, NY
Moguldiam's Diamond dangle earrings in platinum and 18k gold. The details are as follows
Category

2010s American Dangle Earrings

Materials

Diamond, 18k Gold, Platinum

Vintage French Diamond 18k Yellow Gold Platinum Bangle
Located in Beverly Hills, CA
One Vintage French Diamond 18k Yellow Gold Platinum Bangle. Featuring ten round brilliant cut
Category

Vintage 1980s Bangles

Materials

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

Diamond Earrings 18K Gold Platinum Dangle 2.84 TDW
By Estate Jewelry
Located in East Brunswick, NJ
Diamond Earrings 18K Gold Platinum Dangle 2.84 TDW These gorgeous earrings are crafted in solid
Category

Late 20th Century Drop Earrings

Materials

Diamond, 18k Gold, Platinum

Vintage Tourmaline Diamond 18k Yellow Gold Platinum Ring
Located in Beverly Hills, CA
One Vintage Tourmaline Diamond 18k Yellow Gold Platinum Ring. Featuring two oval cut tourmalines
Category

Vintage 1970s Engagement Rings

Materials

Diamond, White Diamond, Tourmaline, Gold, 18k Gold, Yellow Gold, Platinum

Gothic Diamond Platinum and 18K Yellow Gold Earrings
By Valentin Magro
Located in New York, NY
yellow gold features a row of brilliant cut diamonds set in platinum across the top. Platinum wires wrap
Category

2010s American Clip-on Earrings

Materials

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

Gothic Diamond Platinum and 18K Yellow Gold Earrings
Gothic Diamond Platinum and 18K Yellow Gold Earrings
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W 1.29 in D 0.3 in L 1.27 in
Antique Belle Époque Diamond Platinum 18 K Natural Oriental Pearl Bridal Ring
Located in Munich, Bavaria
This ring is made out of 18 karat yellow gold and platinum the ring head features ca natural
Category

Antique Early 1900s English Bridal Rings

Materials

Diamond, Oriental Pearl, Platinum

Late Edwardian Diamond 18k Gold Platinum Drop Earrings
Located in Beverly Hills, CA
One Pair of Late Edwardian Diamond 18k Gold Platinum Drop Earrings. Featuring two old mine cut
Category

Vintage 1910s Edwardian Drop Earrings

Materials

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

5.70cts Diamond Platinum 18k Gold Clip-On Hoop Earrings
Located in Miami, FL
Timeless Dazzling with these classic 1990s 18k yellow gold and Platinum diamond hoop Earrings
Category

Vintage 1980s Hoop Earrings

Materials

Diamond, 18k Gold, Platinum

18K Yellow Gold Platinum LION Diamond Ruby Pin
Located in Miami, FL
In 18K yellow gold and platinum, this exquisite LION pin features a 0.09 carat diamond and ruby
Category

2010s European Victorian Brooches

Materials

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

18K Yellow Gold and Platinum Diamond Flame Earrings
By Valentin Magro
Located in New York, NY
embellished with brilliant cut diamonds. 18k yellow gold accents the tips and the movement of the flames by
Category

2010s American Clip-on Earrings

Materials

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

18K Yellow Gold and Platinum Diamond Flame Earrings
18K Yellow Gold and Platinum Diamond Flame Earrings
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W 0.84 in D 0.4 in L 1.62 in
Cartier Platinum & 18K Yellow Gold Diamond Cuff Bracelet
By Cartier
Located in New York, NY
Behold the epitome of refinement and luxury with the Estate Cartier 18K Yellow Gold Diamond Cuff
Category

20th Century French Modern Cuff Bracelets

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Edwardian Diamond 18k Yellow Gold Platinum Navette Ring
Located in Beverly Hills, CA
One Edwardian Diamond 18k Yellow Gold Platinum Navette Ring. Featuring 24 old mine cut diamonds
Category

Antique Early 1900s Edwardian Engagement Rings

Materials

Brown Diamond, White Diamond, Diamond, Platinum, Yellow Gold, 18k Gold, ...

Tiffany & Co. Diamond Necklace Platinum Topped 18K Yellow Gold
By Tiffany & Co.
Located in Dallas, TX
Estate Tiffany & Co. Diamond Necklace in Platinum Topped 18K Yellow Gold. The necklace features
Category

Vintage 1980s Link Necklaces

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Neclace with diamonds 18k white gold and platinum
Located in The Hague, ZH
Platinum necklace with 18k white gold center piece set with brilliant and single cut diamonds up to
Category

Vintage 1910s Dutch Art Nouveau Choker Necklaces

Materials

Diamond, 18k Gold, White Gold, Platinum

Neclace with diamonds 18k white gold and platinum
Neclace with diamonds 18k white gold and platinum
No Reserve
H 1.26 in W 1.58 in L 17.72 in
Ring with diamonds 18k pink gold and platinum
Located in The Hague, ZH
14k rose gold with 950pt platinum ring set with old mine cut diamond 0.40 ct K/L SI/P - ring size
Category

Vintage 1910s Dutch Art Deco Three-Stone Rings

Materials

Diamond, Gold, 18k Gold, Platinum

Orchidea Diamond Platinum and 18K Yellow Gold Earrings
By Valentin Magro
Located in New York, NY
platinum to form a flower, while 18k yellow gold bars radiate from the bezel set diamond in the center for
Category

2010s American Clip-on Earrings

Materials

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

Orchidea Diamond Platinum and 18K Yellow Gold Earrings
Orchidea Diamond Platinum and 18K Yellow Gold Earrings
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W 0.58 in D 0.24 in L 2.14 in
GIA Certified Cushion 10.19 CTS Y-Z VS2 Trapezoid Three Stone Ring Platinum 18K
By Harbor Diamonds
Located in New York, NY
weighing 0.94 Carats, D VS, in Platinum & 18 Karat Yellow Gold. More Colored Diamonds in stock. DM for
Category

2010s Contemporary Three-Stone Rings

Materials

Yellow Diamond, 18k Gold, Yellow Gold, Platinum

Michael Bondanza Platinum/18K Yellow Gold Venetian Diamond Bracelet
By Michael Bondanza
Located in Philadelphia, PA
The platinum and 18 karat yellow gold diamond bracelet mesmerizes with its wave-textured design
Category

21st Century and Contemporary Link Bracelets

Materials

Diamond, Platinum, 18k Gold, Yellow Gold

Garnet and Diamond Platinum and 18k Yellow Gold Ring
Located in Dallas, TX
Platinum and Yellow Gold 18K 1.47ct Garnet & .35ctw Diamond Size 5.25
Category

2010s Fashion Rings

Materials

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

Edwardian / Belle Epoque 18k Gold Platinum Diamond Necklace
Located in Versailles, FR
. This exquisite piece is crafted in 18K white and yellow gold and features a lovely floral motif with a
Category

Early 20th Century French Edwardian Pendant Necklaces

Materials

Diamond, 18k Gold, Platinum

Edwardian / Belle Epoque 18k Gold Platinum Diamond Necklace
Edwardian / Belle Epoque 18k Gold Platinum Diamond Necklace
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H 1.07 in W 0.91 in L 16.54 in
Vintage Emerald & Diamond Ring Crafted in Platinum & 18k Gold
Located in Webster, NY
Beautiful Emerald & Diamond ring crafted in Platinum & 18k Yellow Gold. Gemstone: Emerald
Category

20th Century Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, Platinum

Tiffany & Co. Schlumberger Diamond 18k Gold Platinum Leaf Earrings
By Jean Schlumberger for Tiffany & Co.
Located in New York, NY
. Schlumberger Diamond 18k Gold Platinum Leaf Earrings—a breathtaking creation that harmonizes nature-inspired
Category

21st Century and Contemporary Clip-on Earrings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

David Webb 18k Yellow Gold and Platinum Diamond Ring
By David Webb
Located in Rome, IT
David Webb 18K Yellow Gold & Platinum Mabe Pearl & 2 ct Round Brilliant Cut Diamond Statement
Category

Vintage 1950s Cocktail Rings

Materials

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

Leo Round Diamond 1.01 Carat Solitaire Ring Platinum and 18 Karat White Gold
By The Leo Diamond
Located in San Diego, CA
Whit Gold Ring with Platinum Prongs Size / Measurements: 5 - sizable TCW: 1.01 cts Main Diamond
Category

Early 2000s Solitaire Rings

Materials

Diamond, 18k Gold, White Gold, Platinum

Tiffany & Co. 18k Gold, Platinum and Diamond Ring
By Tiffany & Co.
Located in New York, NY
Tiffany & Co. Gold, Platinum and Diamond Ring 18 kt., one round diamond weighing 1.03 cts., weight
Category

Vintage 1980s Band Rings

Materials

18k Gold, Platinum

Art Deco 18K gold platinum diamond pearl ring
Located in Versailles, FR
on the diamonds. French owl hallmark for 18K gold and the French Mascaron hallmark for platinum on
Category

Early 20th Century French Art Deco Cocktail Rings

Materials

Diamond, Pearl, 18k Gold, Platinum

David Webb Green Enamel 18k Gold Platinum Diamond Earclips
By David Webb
Located in New York, NY
clusters set in platinum and 18K yellow gold. Signed David Webb, marked 18K, Plat. Each earring weighs 13.9
Category

Late 20th Century Clip-on Earrings

Materials

Diamond, 18k Gold, Platinum, Enamel

Platinum & 18K Yellow Gold Diamond Engagement Ring 0.40 ctw
Located in Houston, TX
Gender: Ladies Size: 6 US Total Weight: 9.6 grams Purity: Platinum & 18K Yellow Gold Shank type
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Oscar Heyman Bros. Sapphire Diamond 18k Gold Platinum Bracelet
By Oscar Heyman
Located in New York, NY
The Oscar Heyman Bros. Sapphire and Diamond 18k Gold Platinum Bracelet is a testament to the
Category

Late 20th Century Link Bracelets

Materials

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

Bvlgari Serpenti Platinum 18k Yellow Gold Diamond Emerald Earrings
By Bulgari
Located in Banbury, GB
2022 __________________________________ Metal 18K Yellow Gold
Category

2010s Italian Clip-on Earrings

Materials

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

David Webb 18k Yellow Gold Platinum Diamond Dome Ring
By David Webb
Located in Palm Beach, FL
David Webb tapered dome ring in hammered 18k yellow gold with platinum borders on either side
Category

2010s American Dome Rings

Materials

Diamond, 18k Gold, Platinum, Yellow Gold

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Platinum 18k Gold Diamond For Sale on 1stDibs

You are likely to find exactly the platinum 18k gold diamond you’re looking for on 1stDibs, as there is a broad range for sale. Frequently made of gold, 18k gold and platinum, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. If you’re looking for a platinum 18k gold diamond from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 18th Century while another version may have been produced as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but .5 carat and 1 carat versions are of considerable interest. Finding an appealing platinum 18k gold diamond — no matter the origin — is easy, but David Webb, Tiffany & Co. and Cartier each produced a popular version that is worth a look. See these pages for a round cut iteration of this accessory, while there are also oval cut cut and old european cut cut versions available here, too. Finding a platinum 18k gold diamond for sale for women should be easy, but there are 4087 pieces available to browse for unisex as well as men, too.

How Much is a Platinum 18k Gold Diamond?

Prices for a platinum 18k gold diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1 and can go as high as $6,675,000, while this accessory, on average, fetches $9,444.