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18k Gold Chain Necklaces

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Metal: 18k Gold
Recognized Seller Listings
18K Yellow Gold Ribbon Link Necklace
Located in New York, NY
Warm-hued metal of 18k yellow gold forms interlaced ribbons. Connected in sections, each element is a flat slender overlapped ribbon. An alternating pattern of sleek metal followed b...
Category

2010s American 18k Gold Chain Necklaces

Materials

18k Gold, Yellow Gold, Gold

Ella Gafter Pearl Art Déco style Diamond Coral Onyx Pendant Necklace
Located in New York, NY
This pendant features a fine, sizable Tahitian Pearl of approximately 19mm x 15.5mm size. The pearl is untreated. It displays a splendid nacre and its natural color and luster have n...
Category

21st Century and Contemporary Italian Contemporary 18k Gold Chain Necklaces

Materials

Coral, Diamond, Onyx, Pearl, 18k Gold, White Gold

Vintage Poiray Diamond 18k Yellow Gold Chain Necklace French
Located in Beverly Hills, CA
Feminine vintage necklace created by Poiray in France in the 1980s. Made of 18 karat yellow gold and accented with four round brilliant cut diamonds ...
Category

1980s French Vintage 18k Gold Chain Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Bulgari 18k Gold, Rock Crystal, Sapphire and Diamond Necklace
Located in New York, NY
Featuring a frosted carved rock crystal, bezel-set with a heart-shaped diamond, accented with two cabochon sapphires, suspended from a curb link charm. Made in Italy, circa 1970. Di...
Category

1970s Italian Vintage 18k Gold Chain Necklaces

Materials

Crystal, Diamond, Rock Crystal, Sapphire, 18k Gold

Bulgari Natural Cabochon Sapphire Chain Necklace
Located in New York, NY
Important Bulgari Natural Cabochon Sapphire and Diamond Necklace in Yellow Gold and brushed Iron. Made in Italy, circa 1980. Sa...
Category

1980s Italian Vintage 18k Gold Chain Necklaces

Materials

Sapphire, 18k Gold

Art-Deco 53 Carat Emerald, Blue Sapphire and Diamond Pendant Necklace
Located in Bangkok, Thailand
An art-deco looking 53 carat Zambian Emerald, 1.73 carat Blue Sapphire and 4.05 carat White Diamond Pendant Necklace, with a Black Onyx, Pearl, Blue Sapphire and Emerald chain all se...
Category

21st Century and Contemporary Art Deco 18k Gold Chain Necklaces

Materials

Diamond, Emerald, Blue Sapphire, Gold, 18k Gold, White Gold

Alex Jona 18 Karat Yellow Gold Toggle Bar Link Chain Necklace
Located in Torino, IT
Alex Jona Design Collection, Hand crafted in Italy, 18 karat yellow gold toggle bar link chain necklace. Dimensions : L 17.72 in X W 0.11 in - L 45 cm X W 2.84 mm Alex Jona jewels ...
Category

21st Century and Contemporary Italian 18k Gold Chain Necklaces

Materials

18k Gold, Yellow Gold

18K Yellow Gold Cube Chain Necklace
Located in New York, NY
An openwork pattern gives a modern rendition to this chain necklace. Slender bars raise two square outlines to form an openwork cube. This connects to another cube by its corner, for...
Category

2010s American 18k Gold Chain Necklaces

Materials

18k Gold, Yellow Gold, Gold

Gold Long Chain Necklace
Located in Darnestown, MD
This long 18 karat gold necklace is made of three different links. Largest is a figure eight that measures 1/4" wide. On either side of that are smaller round links with tiny round b...
Category

Late 20th Century Modern 18k Gold Chain Necklaces

Materials

Gold, 18k Gold

Alex Jona Pink Sapphire 18 Karat Rose Gold Flower Pendant Necklace
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, 18 karat rose gold flower pendant necklace set with pink sapphires for total 0.30 carats. ...
Category

21st Century and Contemporary Italian 18k Gold Chain Necklaces

Materials

Pink Sapphire, 18k Gold, Rose Gold

Beautiful Blue Enamel and Gold Chain
Located in New York, NY
Absolute gorgeous one-of-a-kind chain. Heavy gauge 18K yellow gold. Intricate, well-detailed openwork chain. Set with twelve brilliant cobalt blue stations. 34 1/2" in length. Ca...
Category

1910s Unknown Vintage 18k Gold Chain Necklaces

Materials

Gold, 18k Gold, Enamel

French Antique Yellow Gold Filigree Watch Chain Necklace
Located in Beverly Hills, CA
An amazing extra long French antique chain necklace. Made of 18k yellow gold. Features filigree links and a watch chain clasp suitable to hang a ...
Category

Early 1900s French Victorian Antique 18k Gold Chain Necklaces

Materials

18k Gold, Yellow Gold

1980s 18 Karat Gold Bar Link Long Chain Necklace
Located in New York, NY
Beautifully 1980s 18 karat yellow gold long chain necklace. Measuring 39.5 inches in length it can be casually worn at full length or doubled up as a choker. Elongated rectangular ba...
Category

1980s Vintage 18k Gold Chain Necklaces

Materials

18k Gold

Alex Jona 18 Karat Yellow Gold Link Chain Necklace
Located in Torino, IT
Alex Jona Design Collection, Hand crafted in Italy, 18 karat yellow gold, 18.11 in / 46 cm long, link chain necklace. All Jona jewelry is new and has never been previously owned or w...
Category

21st Century and Contemporary Italian 18k Gold Chain Necklaces

Materials

Gold, 18k Gold, Yellow Gold

Faye Kim 18K Gold Round Moonstone Pendant with Diamond Bail on Handmade Chain
Located in Westport, CT
As ancient as the moon itself, the meaning of Moonstone lies within its energy. The pearly iridescence of this 18 Karat Gold Round Moonstone Pendant with its diamond bail evokes tran...
Category

2010s American Contemporary 18k Gold Chain Necklaces

Materials

Diamond, Moonstone, 18k Gold

Alex Jona 18 Karat Yellow Gold Link Necklace
Located in Torino, IT
Alex Jona Design Collection, finely hand crafted in Italy, 18 karat yellow gold link necklace. Alex Jona jewels stand out, not onl...
Category

21st Century and Contemporary Italian 18k Gold Chain Necklaces

Materials

18k Gold, Yellow Gold

Jean Schlumberger for Tiffany & Co. X's & O's Necklace Bracelet Combination
Located in Bethesda, MD
From Tiffany & Co.'s Jean Schlumberger, his X's & O's necklace and bracelet combination. The 18 inch necklace separates into two 7 ¼ bracelets and a remaining section. ♦ Designer:...
Category

1980s American Vintage 18k Gold Chain Necklaces

Materials

18k Gold

Pomellato 18 Karat Long Link Chain Necklace Bracelet Combination
Located in New York, NY
Finely handcrafted 18 karat gold link chain which can be worn as a long chain, doubled up to various lengths or as a chain and a bracelet. The length of the entire necklace 42 inches...
Category

1980s Italian Vintage 18k Gold Chain Necklaces

Materials

18k Gold

Round Disk Pendant Necklace 18k White Gold Turquoise Enamel Guilloche Paillons
Located in Pforzheim, DE
Victor Mayer round disk pendant necklace 18k white gold, Diskos collection, translucent turquoise vitreous enamel, guilloche with star paillon, diameter app. 15.0 mm About the creat...
Category

21st Century and Contemporary German Victorian 18k Gold Chain Necklaces

Materials

18k Gold, White Gold, Enamel

Round Locket Pendant - 18k Yellow Gold - Blue Enamel - 12 Diamonds 0.19 ct GVS
Located in Pforzheim, DE
Round locket pendant, 18k yellow gold, Merian Collection, medium blue and opalescent turquoise vitreous enamel, 12 diamonds, total 0.19 ct G VS, brilliant cut About the creator Vict...
Category

2010s German Art Nouveau 18k Gold Chain Necklaces

Materials

Diamond, Yellow Gold, Enamel, 18k Gold

Round Disc Pendant Star Necklace 18k White Gold Silver Enamel 24 Diamonds 0.36ct
Located in Pforzheim, DE
Victor Mayer round disc pendant necklace with star 18k white gold, Diskos Collection, translucent silver vitreous enamel, 24 diamonds, total 0.36 ct...
Category

21st Century and Contemporary German Belle Époque 18k Gold Chain Necklaces

Materials

Diamond, White Gold, Enamel, 18k Gold

Alex Jona 18 Karat Yellow Gold White Diamond Toggle Bar Link Chain Necklace
Located in Torino, IT
Alex Jona Design Collection, Hand crafted in Italy, 18 karat yellow gold link chain necklace with toggle bar set with 0.63 carats of white diamonds. Dimensions : L 17.72 in X W 0.11 ...
Category

21st Century and Contemporary Italian 18k Gold Chain Necklaces

Materials

White Diamond, 18k Gold, Yellow Gold

Alex Jona Blue Sapphires 18 Karat White Gold Flower Pendant Necklace
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, 18 karat white gold, flower pendant necklace set with blue sapphires for a total of 0.30 carats. Alex Jona jewels stand out, not ...
Category

21st Century and Contemporary Italian 18k Gold Chain Necklaces

Materials

Blue Sapphire, 18k Gold, White Gold

Roman Malakov 0.62 Carats Total Round Shape Diamond By The Yard Necklace
Located in New York, NY
A traditional diamonds by the yard necklace showcasing necklace is bezel set with round diamonds and little space in between each diamond for maximum brilliance. Diamonds weigh 0.62 ...
Category

21st Century and Contemporary American Contemporary 18k Gold Chain Necklaces

Materials

Diamond, 18k Gold, White Gold

French Mariner Gold Chain
Located in New York, NY
Superb long mariner link chain. Made in France. Very solid gauge 18K yellow gold. 40" in length. Crisp well-defined links. Lies smoothly and perfectly. Seamless and continuous....
Category

1940s French Vintage 18k Gold Chain Necklaces

Materials

Gold, 18k Gold

Faye Kim 18K Gold Landscape Agate Pendant on Cable Chain
Located in Westport, CT
Faye Kim's 18K* Gold Landscape Agate Pendant very much resembles a natural landscape and makes a striking design statement. Each piece is a unique, one...
Category

2010s American Contemporary 18k Gold Chain Necklaces

Materials

Agate, 18k Gold, Gold

Ella Gafter Sapphire Diamond Pearl Pendant Necklace
Located in New York, NY
The pendant features a 15mm South Sea pearl with a crown of round diamonds set en pave (0.45 carats) suspending 5 multicolor sapphire briolettes of lovely pastel colors. The pendant...
Category

21st Century and Contemporary Italian Artist 18k Gold Chain Necklaces

Materials

Diamond, South Sea Pearl, Sapphire, Blue Sapphire, 18k Gold

Alex Jona 18 Karat Yellow Gold Link Chain Necklace
Located in Torino, IT
Alex Jona Design Collection, Hand crafted in Italy, 18 karat yellow gold, 17.7inch-45cm long, link chain necklace. Alex Jona jewels stand out, not only for their special design and...
Category

21st Century and Contemporary Italian 18k Gold Chain Necklaces

Materials

18k Gold, Yellow Gold

Brilliant + Rough Diamond Yellow Gold Oxidized Silver Link Necklace, Todd Reed
Located in Dallas, TX
Triple Open Link Necklace handmade in signature-finished 18k yellow gold and patina sterling silver by award-winning jewelry artist Todd Reed featuring one 18k yellow gold link chann...
Category

2010s American Artist 18k Gold Chain Necklaces

Materials

White Diamond, Diamond, Silver, Gold, Mixed Metal, Sterling Silver, Yell...

Antique Yellow Gold Whimsical Link Watch Chain Necklace
Located in Beverly Hills, CA
Gorgeous unusual Antique watch chain necklace made of 18k yellow gold. Extension (the top part with a clasp) was added later and is made o...
Category

Early 1900s Victorian Antique 18k Gold Chain Necklaces

Materials

18k Gold, Yellow Gold

Alex Jona Coral Pompon 18 Karat Yellow Gold Necklace
Located in Torino, IT
Alex Jona one-of-a-kind, hand crafted in Italy, 18 karat yellow gold coral pompon necklace, 58 cm / 22.83 in long. Alex Jona jewels stand out, not only for their special design and ...
Category

2010s Italian Contemporary 18k Gold Chain Necklaces

Materials

Coral, 18k Gold, Yellow Gold

Buccellati Reversible Long Gold Necklace
Located in Darnestown, MD
Long 18 karat gold chain necklace by Buccellati with a different finish on either side. One side is gloss and the other has a lightly textured finish made of extremely fine straight ...
Category

Late 20th Century Italian Modern 18k Gold Chain Necklaces

Materials

18k Gold

Faye Kim 18 Karat Gold Handmade Rolo Chain 26"
Located in Westport, CT
Faye Kim 18 Karat Gold Handmade Rolo Chain with safety clasp. Classic and versatile, Faye's 18k gold handmade rolo link chain is a must in every je...
Category

2010s American Contemporary 18k Gold Chain Necklaces

Materials

Gold, 18k Gold

Art Nouveau Wander France Jade 18k Gold Necklace Brooch Pendant
Located in Beverly Hills, CA
Stunning necklace made of 18k yellow gold and jade. Measurements: 28 1/2" x 3/4" (72 x 2 cm); pendant/brooch 2 7/8" x 2 1/2" (7.3 x 6.4 cm). Weight 241.7 grams. It comes apart and ca...
Category

1930s French Vintage 18k Gold Chain Necklaces

Materials

Jade, 18k Gold, Yellow Gold

Diamond Gold Necklace
Located in Geneva, CH
Necklace in 18kt yellow gold set with 258 diamonds 2.75 cts Length: 43.00 centimeters (16.93 inches) Total weight: 136.32 grams. Width : 1.00 centimeters (0.39 inches)
Category

21st Century and Contemporary Swiss Contemporary 18k Gold Chain Necklaces

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Victorian Archaeological Revival Gold Necklace
Located in London, GB
A Victorian archaeological revival gold necklace, consisting of a row of fancy links, suspending eighty-six cone-shaped drop motifs, all ma...
Category

19th Century British Etruscan Revival Antique 18k Gold Chain Necklaces

Materials

Gold, 18k Gold, Yellow Gold

Aquamarine, 18 Karat Rose Gold Moden Necklace
Located in Marcianise, Marcianise (CE)
SHIPPING POLICY: No additional costs will be added to this order. Shipping costs will be totally covered by the seller (customs duties included). PS: THIS POLICY IS NOT APPLICABLE ...
Category

2010s Italian Modern 18k Gold Chain Necklaces

Materials

Aquamarine, 18k Gold, Rose Gold

Cross Pendant Necklace
Located in Geneva, CH
Cross pendant in 18kt yellow gold set with 13 baguette cut diamonds 1.70 cts and 7 diamonds 0.13 cts
Category

21st Century and Contemporary Swiss Contemporary 18k Gold Chain Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Diamond Yellow Gold 18K Pendant Necklace
Located in Geneva, CH
Pendant yellow gold 141 diamonds 3.88cts 108 baguettes diamonds 4.76cts without chain. Length pendant: 7.50 centimeters (2.95 inches). Maximum width pendant : 1.60 centimeters (0.6...
Category

2010s Art Deco 18k Gold Chain Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Italian 1970s Two-Color Gold Figaro Link Chain
Located in New York, NY
An estate two-color gold figaro link chain necklace, in 18k. Urbano, Italy.
Category

1970s Italian Contemporary Vintage 18k Gold Chain Necklaces

Materials

Gold, 18k Gold, White Gold, Yellow Gold

Diamond Gold Necklace Kunz
Located in Geneva, CH
Brown Diamond on a 18K gold chain necklace. Original Kunz case.
Category

21st Century and Contemporary Swiss Aesthetic Movement 18k Gold Chain Necklaces

Materials

Diamond, 18k Gold, Gold

19th Century Archaeological Revival Gold Necklace
Located in London, GB
A 19th century archaeological revival gold necklace, consisting of a mesh chain 5mm wide, suspending one-hundred-and-four cone-shaped drops...
Category

1870s French Etruscan Revival Antique 18k Gold Chain Necklaces

Materials

18k Gold, Yellow Gold

Cross Pendant - 18k White Gold - 21 Diamonds total 0.25 ct H VS height 42.5 mm
Located in Pforzheim, DE
Victor Mayer cross pendant 18k white gold, Hallmark Collection, 21 diamonds, total 0.25 ct, H VS, height with eyelet app. 42.5 mm About the creator Victor ...
Category

21st Century and Contemporary German Contemporary 18k Gold Chain Necklaces

Materials

Diamond, 18k Gold, White Gold

1980s Long Textured Link 18 Karat Gold Chain Necklace
Located in New York, NY
Beautifully handcrafted in 18 karat yellow gold this 1980s chic chain necklace consists of 39 textured solid gold elements, flexibly connected to textured oval links. The necklace me...
Category

1980s Vintage 18k Gold Chain Necklaces

Materials

18k Gold

Victorian Long Chain and Slide
Located in London, GB
A Victorian long chain and slide, the chain of an interlocked double-link style measuring approximately 148 x 0.5cm, with an abstract slide attachment with enamel floral motif and buckle set with seed pearls, measuring approximately 2.9 x 2.2cm, circa 1860, gross weight 75.8 grams. A Victorian long chain and slide in very good condition. Unmarked tested as 18ct chain...
Category

Mid-19th Century English High Victorian Antique 18k Gold Chain Necklaces

Materials

Pearl, 15k Gold, 18k Gold

Victorian Natural Pearl and Diamond Cluster Necklace
Located in London, GB
A Victorian natural pearl and diamond necklace, the twelve graduated cluster motifs each centred with natural bouton pearls measuring from 5.6 mm to 9 mm, within a surround of old br...
Category

1880s Antique 18k Gold Chain Necklaces

Materials

Diamond, Pearl, Natural Pearl, 18k Gold, Yellow Gold, Silver

Alex Jona Pink Sapphire Amethyst Diamond Rose Gold Heart Pendant Necklace
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, 18 karat pink gold bombé heart pendant set with pink sapphires (ct. 0.37), cabochon amethysts (ct 1.35) and white diamonds (ct. 0....
Category

2010s Italian Contemporary 18k Gold Chain Necklaces

Materials

Amethyst, Diamond, White Diamond, Pink Sapphire, 18k Gold, Rose Gold

David Morris Heritage White Gold Lariat Diamond 11.78ct Necklace
Located in London, GB
This extraordinary white diamond lariat necklace from David Morris’s Heritage collection injects a design originally created in the 1960s with a modern twist for today’s jewellery collector. Based upon the ‘Flexi’ ring designed by David Morris in the Sixties, the Heritage collection necklace perfectly captures the youthful glamour and revolutionary approach to design that has been a signature of the brand for over 50 years. Delicate chains of oval links in 18 karat white gold are set with subtle, micro-set white diamonds, and studded at intervals with larger single diamonds of varying carats. The flexible and dynamic silhouette sits beautifully on the skin and moves with the wearer, whilst the unusual lariat design offers the wearer the freedom to tie the chain in any style and position they please – the possibilities are limitless. 18 karat white gold White diamonds 11...
Category

21st Century and Contemporary British Contemporary 18k Gold Chain Necklaces

Materials

Diamond, 18k Gold, White Gold

Fatma Hand Necklace
Located in Geneva, CH
Fatma Hand necklace in 18kt white gold set with 1495 diamonds 8.49 cts (107 cm)    
Category

21st Century and Contemporary Swiss Contemporary 18k Gold Chain Necklaces

Materials

Diamond, 18k Gold, White Gold

Vaid Roma 18 Karat Yellow Gold and Semi Precious Flower Necklace
Located in New York, NY
Italian Jewelers for more than three generations, VAID has produced merchandise exclusively for some of the most renowned jewelers across the world. T...
Category

1990s Italian Retro 18k Gold Chain Necklaces

Materials

Blue Topaz, Tourmaline, Peridot, Iolite, Citrine, Amethyst, Yellow Gold,...

Italian Coral Carving and Onyx Charm Necklace in Gold with Blackened Steel
Located in Los Angeles, CA
This unusual charm necklace is made of blackened steel and features 5 Mediterranean coral beads that have been hand carved into happy Buddhas and deities. Set with shiny black onyx beads and 18k yellow gold accents, this is a unique design combining beautiful shapes, dramatic colors and a variety of textures that are one-of-a-kind. The necklace measures 17 inches in length, but is adjustable to any shorter length because of the versatile clasp and large links. So pretty! This necklace complements our coral and onyx bracelet...
Category

21st Century and Contemporary American Artisan 18k Gold Chain Necklaces

Materials

Coral, Multi-gemstone, Onyx, Gold, 18k Gold, Yellow Gold, Steel, Stainle...

Faye Kim 18 Karat Gold Handmade Oval Link Chain 18"
Located in Westport, CT
Faye Kim 18 Karat Gold Oval Link Chain Classic and versatile, Faye's 18k gold handmade oval link chain is a must in every jewelry wardrobe. It elevates the traditional cable link ch...
Category

2010s American Contemporary 18k Gold Chain Necklaces

Materials

Gold, 18k Gold

Alex Jona 18 Karat Yellow Gold Link Chain Necklace
Located in Torino, IT
Alex Jona Design Collection, Hand crafted in Italy, 18 karat yellow gold 17.3 inch long link chain necklace. Alex Jona jewels stand out, not only for their special design and for th...
Category

2010s Italian 18k Gold Chain Necklaces

Materials

18k Gold, Yellow Gold

Yoko London South Sea Pearl and Diamond Necklace in 18 Karat White Gold
Located in London, GB
This playful pendant by Yoko London features a lustrous South Sea pearl beneath a diamond heart-motif. Set in 18 Karat white gold to enhance the lustre of the pearl and the sparkle o...
Category

2010s British Modern 18k Gold Chain Necklaces

Materials

South Sea Pearl, Diamond, White Diamond, Pearl, Cultured Pearl, 18k Gold...

White Gold Necklace with Diamonds
Located in Geneva, CH
Necklace in 18kt white gold set with diamonds
Category

21st Century and Contemporary Swiss Contemporary 18k Gold Chain Necklaces

Materials

Diamond, 18k Gold, White Gold

Vintage Pearl 18k Yellow Gold Chain Necklace Signed BTF French
Located in Beverly Hills, CA
Feminine elegant necklace made of 18 karat yellow gold featuring Tahitian and Akoya pearls. Measurements: 37" x 1/8" (74 x 0.3 cm); pearls from 7 mm to 8.8 mm diameter; gold balls 10...
Category

1980s French Vintage 18k Gold Chain Necklaces

Materials

Pearl, 18k Gold, Yellow Gold

16 Carat Natural Untreated Diamond Tennis Necklace 18 Carat White Gold
Located in Rome, IT
This gorgeous 16 Ct necklace will simply take your breath away! It features a 105 natural round brilliant cut diamonds.These sparkling diamonds conservatively grade as G VS1-SI1 in quality. The diamonds are set in white gold riviera or tennis style necklace...
Category

2010s Italian Modern 18k Gold Chain Necklaces

Materials

Diamond, 18k Gold, White Gold

Alex Jona White Diamond Gold Butterfly Pendant Necklace
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, 18 karat white gold butterfly pendant set with 0.33 carats of white diamonds, suspending from a 18 karat white gold chain 16.5 in...
Category

21st Century and Contemporary Italian 18k Gold Chain Necklaces

Materials

White Diamond, Gold, 18k Gold, White Gold

Shop Vintage 18K Gold Chain Necklaces on 1stDibs

Gold, especially yellow gold, with its rich patina and ancient pedigree going back thousands of years, is the steady standby, the well-mannered metal of choice. Any discussion of this lustrous metal comes down to a basic truth: Gold is elementary, my dear. Gold jewelry that couples the mystique of the metal with superb design and craftsmanship achieves the status of an enduring classic, and when you wear an 18-karat gold chain, you feel happy, you feel dressed, you feel, well, yourself. 

Gold is the feel-good metal, the serotonin of jewelry. A glistening little flicker of gold around your neck makes an outfit feel more considered and polished, whether you’re wearing a breezy white caftan or a black cashmere sweater. For gold chain necklaces, start with must-have lengths like 16, 18 and harder to find 20 inches, and then you can start acquiring longer lengths from there. The trend is to wear several lengths at once, with some gold necklaces featuring dangling pendants and some with medallions.

The abbreviation for karat is K, as in 24K gold. Which, if you didn’t know, is pure gold or 100% gold or fine gold. Pure gold is too soft to work with and therefore it needs to be alloyed with other metals to make it harder and suitable for wear. A quick tip, an 18K gold necklace is 75 percent gold mixed with 25 percent of other metals like copper or silver, etc. Also, most gold jewelry is stamped with the 18K or, even, 750 or 0.75 in recognition of the percentage of gold. Most jewelers today in the U.S. work with either 14K or 18K gold, unless they specify that their jewelry is made of high-karat gold like 20K or 22K

Many luxury houses have given us some of our most treasured and lasting examples of gold jewelry over the years.

Since its founding, in 1837, Tiffany & Co. has built its reputation on its company jewelry as well as its coterie of boutique designers, which has included Jean Schlumberger, Donald Claflin, Angela Cummings and Elsa Peretti. There are numerous gold Tiffany classics worth citing. Some are accented with gemstones, but all stand out for their design and the workmanship displayed.

Peretti's simple, sculptural jewelry spoke to the newly independent women of the 1970s. Rather than hoping for a man to buy them something from Tiffany, they treated themselves. The Diamonds by the Yard pendant, delicate and innocent-yet-sexy, nestles and glints in the clavicle. The Open Heart necklace is one of Peretti's most enduring creations for the luxury brand, which still produces it in numerous variations, from examples in gold and those decorated in diamonds to earrings, rings and bracelets. For Cummings devotees, signature pieces feature hard stone inlay. And just about any design by the great Jean Schlumberger is by definition a classic.

Even had he eschewed stones and diamonds, Southern-born David Webb would be hailed for the vast arsenal of heavy gold jewelry he designed. Gold, usually hammered or textured in some manner, defines great David Webb jewelry. The self-taught jeweler made very au courant pieces while drawing inspiration from ancient and out-of-the-way sources — East meets West in the commanding gold necklaces made by Webb in the early 1970s. 

In Europe, many houses have given us gold jewelry that sets the highest standard for excellence, pieces that were highly sought after when they were made and continue to be so. 

Numerous designs from Cartier are homages to gold. There are the classic Trinity rings, necklaces and bracelets — trifectas of yellow, white and rose gold. (As a testament to the power of love, consider the endurance of the Cartier Love bracelet. A collection that yielded a Love necklace followed the bangle's debut.)

BVLGARI and its coin jewelry, gemme nummarie, hit the jackpot when the line launched in the 1960s. The line has been perennially popular. BVLGARI coin jewelry features ancient Greek and Roman coins embedded in striking gold mounts, usually hung on thick link necklaces of varying lengths. In the 1970s, BVLGARI introduced the Tubogas line, most often made in yellow gold. 

A collection called Monete that incorporated the gold coins is one of several iconic BVLGARI lines that debuted in the 1970s and ’80s, catering to a new generation of empowered women. Just as designers like Halston and Yves Saint Laurent were popularizing fuss-free ready-to-wear fashion for women on the go, BVLGARI offered jewels to be lived in

Since Van Cleef & Arpels opened its Place Vendôme doors in 1906, collection after collection of jewelry classics have enchanted the public. As predominantly expressed in a honeycomb of gold, there is the Ludo watch and accessories, circa the 1920s, and the golden Zip necklace, 1951, whose ingenious transformation of the traditional zipper was originally proposed by the Duchess of Windsor. Van Cleef's Alhambra, with its Moroccan motif, was introduced in 1968 and from the start its popularity pivoted on royalty and celebrity status. It remains one of VCA’s most popular and collected styles.

Mention must be made of Buccellati, whose name is synonymous with gold so finely spun that it suggests tapestry. Other important mid-20th-century houses known for their gold-themed jewelry include Ilias Lalaounis and Hermès. While the latter's broad range of luxury goods is still inclusive of the fine saddlery it has always produced, Hermès necklaces are also widely coveted by jewelry lovers near and far.

Finding just the right 18K gold chain is surprisingly complicated. The best way to discover your perfect fit is to zero in on a particular name and type of link. Designers have tweaked a few styles repeatedly over the years, changing their scale and proportion. Popular iterations include oval chain links, paper clip chains, mariner link chains — to which Gucci was connected for years — and snake chains.

Shop the collection of antique and vintage 18K gold chain necklaces on 1stDibs.

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