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100 carats Diamond Collar Necklace in 18k Yellow Gold
Located in La Jolla, CA
Estate 100 carats Diamond Collar Necklace in 18k Yellow Gold Very Fine estate necklace designed
Category

21st Century and Contemporary North American Choker Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

100 Carat Diamond Riviera Platinum Necklace
By Antinori Fine Jewels
Located in Chicago, IL
an astonishing total carat weight of 100 carats, every diamond shimmers, creating a dazzling display
Category

2010s Unknown Contemporary Chain Necklaces

Materials

Diamond, White Diamond, Platinum

100 Carat Vivid Green Emerald Diamond Necklace
Located in Chicago, IL
, creating a rhythm of light and luxury. A substantial total diamond weight of 25 carats, ensuring an
Category

2010s American Contemporary Choker Necklaces

Materials

Diamond, White Diamond, Emerald, Platinum

100 Carat Platinum Diamond Drop Necklace
By Diana M. Jewels
Located in New York, NY
Pear Shaped Diamond Drop Necklace in Platinum Platinum Drop Diamond Statement Necklace features
Category

21st Century and Contemporary American Drop Necklaces

Materials

Diamond, Platinum

100 Diamonds Star Of David 14K Gold Necklace
Located in Los Angeles, CA
Embrace elegance and spirituality with this exquisite 100 Diamonds Star Of David 14K Gold Necklace
Category

2010s American Modern Necklace Enhancers

Materials

Diamond, Gold, 14k Gold, Rose Gold, White Gold, Yellow Gold, Platinum

Over 100 Carat Diamond and Pearl Beaded Necklace
Located in Beverly Hills, CA
A chic chocolate brown pearl and champagne diamond necklace featuring over 100 carats of sparkling
Category

21st Century and Contemporary Unknown Contemporary Beaded Necklaces

Materials

Diamond, Pearl

100 Carat 18K Gold with Emerald and Mixed Cut Diamonds Necklace
By Antinori Fine Jewels
Located in Chicago, IL
Unveil Timeless Elegance: White Gold Necklace Set Step into a world of luxury and grace with our
Category

2010s Unknown Contemporary Choker Necklaces

Materials

Diamond, White Diamond, Emerald, Gold, 18k Gold

100 carats Sapphires 0.44 Carats White Diamonds Clasp 18K Gold Sautoir Necklace
By Rossella Ugolini
Located in Rome, IT
Rossella Ugolini Silhouette Collection Art Deco Style 100 Carats Blue Sapphires Bead Cut 0.44
Category

2010s Italian Art Deco Beaded Necklaces

Materials

White Diamond, Sapphire, Gold, 18k Gold, White Gold

Natural 100 Carat Natural Ruby Bead Single Strand Necklace with Silver Clasp
Located in New York, NY
Natural 100 Ct Natural Ruby Bead Single Strand Necklace with Silver Clasp 27" long 1 layers of
Category

2010s Beaded Necklaces

Materials

Ruby, Silver

4.00 Carat Diamond Necklace G SI 14K White Gold 100% Natural Diamonds
Located in New York, NY
4.00 Carat Diamond Necklace G SI 14K White Gold 16 inches 100% Natural Diamonds, Not Enhanced in
Category

21st Century and Contemporary American Modern Choker Necklaces

Materials

Diamond, White Gold

100 Carat Mixed Multi-Gem Avant-Garde Statement Necklace in 18k Gold
Located in Miami, FL
A striking Avant-Garde necklace, meticulously crafted in 18K yellow gold, featuring over 100 carats
Category

Vintage 1970s Baroque Pendant Necklaces

Materials

Pearl, Sapphire, Gold, 18k Gold, Yellow Gold

100-Carat Diamond Tennis Necklace D-E-F Color VVS-VS Clarity
Located in Mumbai, IN
This 100-carat diamond tennis necklace is an awe-inspiring creation that embodies timeless
Category

21st Century and Contemporary Asian Modern Drop Necklaces

Materials

Diamond, 18k Gold

Certified 100 Carats Natural Icy Green Jade & Agate Angel Pendant Necklace, XXL
Located in Hong Kong, HK
Please check out the HD video. This certified natural jadeite jade is over 100 carats, un-enhanced
Category

2010s Hong Kong Pendant Necklaces

Materials

Jade, Agate

Bochic “Capri” 100 Carat Plus Of Natural Ruby Necklace Set in 18K Gold & Silver
By Bochic
Located in New York, NY
Bochic “Capri” 100 Carat Plus Of Natural Ruby Necklace Set in 18K Gold & Silver Elegant and Chic
Category

21st Century and Contemporary Thai Art Deco Drop Necklaces

Materials

Ruby, 18k Gold, Gold Plate, Silver

100 Carat Aquamarine Platinum and Diamond Pendant Tassle
Located in Manhasset, NY
carats, suspending a tassel of graduated sapphire beads weighing approximately 6.00 total carats, and
Category

Antique Mid-19th Century Kenyan Pendant Necklaces

Materials

Aquamarine, Diamond, Platinum

Antique 421 carats emerald ruby antique Pearls gold necklace, 50-100 year old
Located in Yorba Linda, CA
Antique 421 carats emerald ruby and antique natural Pearls gold necklace, 50-100 year old, Old
Category

Vintage 1940s Indian Artist Multi-Strand Necklaces

Materials

Emerald, Pearl, Ruby, Gold

100 Carat Pink Kunzite with Aquamarine & Diamond Pendant in 18K White Gold
By Gad & Co.
Located in Miami, FL
98.66 carat Kunzite and Aquamarine Pendant, an Art Deco masterpiece in 18K White Gold weighing
Category

2010s North American Art Deco Pendant Necklaces

Materials

Aquamarine, Diamond, Kunzite, White Gold, 18k Gold

Certified 100 Carat Jadeite Jade Peace Pendant, Apple Green, Substantial
Located in Hong Kong, HK
1stdibs! Rooted in nearly 100 years of excellence, we’re a third-generation jeweler with a legacy of
Category

2010s Hong Kong Pendant Necklaces

Materials

Jade

Colombian Emerald Beaded Necklace
By Royaal Stones Ltd
Located in Bangkok, Thailand
A lovely, art-deco necklace with 100 carats of high-quality, faceted natural Colombian Emerald
Category

21st Century and Contemporary Art Deco Beaded Necklaces

Materials

Diamond, Emerald, Gold, 18k Gold, White Gold

Natural Green Emerald and Diamond Necklace
By Diana M. Jewels
Located in New York, NY
Magnificent Emerald Diamond Necklace, - 100 Carat of Natural Green Emeralds (Certified) - 55
Category

21st Century and Contemporary American Multi-Strand Necklaces

Materials

Diamond, Emerald, Platinum

Deborah Liebman 100 Carat Blue Topaz Pendant Topaz Peridot Necklace
By Deborah Liebman
Located in Kansas City, MO
100 Carat Blue Topaz Pendant in White Gold and Diamonds on a Multi-Strand Necklace of London Blue
Category

21st Century and Contemporary American Modern Multi-Strand Necklaces

Materials

Peridot, Topaz, Sterling Silver, White Gold

100 Carat Santa Maria Aquamarine Edwardian Pendant in Platinum
By Tiffany & Co.
Located in Warrington, PA
100 carat (97 carat) natural and original mine Santa-Maria Aquamarine. The stone is strong in
Category

20th Century Unknown Edwardian Pendant Necklaces

Materials

Aquamarine, Diamond, Platinum

18 Karat Yellow Gold Blue Topaz, Amethyst, and Prasiolite Station Necklace
Located in Cape May, NJ
Total Carat Weight: Approximately 100 Carats Necklace Length: 35.5 Inches Necklace Weight: 47.2 Grams
Category

21st Century and Contemporary Link Necklaces

Materials

Yellow Gold

1940s Tiffany & Co. 100 Carat Citrine Emerald Diamond Gold Necklace
By Tiffany & Co.
Located in Carmel-by-the-Sea, CA
approximately 100 carat citrine and accented with 4.00 carats of emeralds and 1.25 carats of brilliant diamonds
Category

Vintage 1940s Drop Necklaces

Materials

Citrine, Diamond, Emerald, Yellow Gold

Contemporary Cabochon Sapphire Link Chain Necklace
Located in Narberth, PA
collectively the overall weight of the necklace is 100+ carats. The deep, rich color of the stones is simply
Category

21st Century and Contemporary Contemporary Link Necklaces

Materials

Sapphire, Sterling Silver

Choker Amethyst 450 Carat Necklace 14 Karat Gold
Located in Laguna Hills, CA
Amethyst 100 Carat Necklace 14 Karat Gold 15 Inch long plus a large 8.32 mm 14 karat gold spring
Category

Early 20th Century Unknown Choker Necklaces

Materials

Amethyst, 14k Gold, Gold, Yellow Gold

Tourmaline 100 Carat Multi Strand Statement Necklace
Located in Scottsdale, AZ
perfection. The large 100-carat emerald-cut synthetic tourmaline at the center is a showstopper, radiating an
Category

Vintage 1980s Pendant Necklaces

Gemjunky 100 Carat Dazzling Rose Quartz & Sparkling Quartz Gold Cocktail Pendant
By Aria Jewelry Design
Located in Raleigh, NC
This huge pink natural 100 Carat Rose Quartz is set enhanced with little sparkling white natural
Category

21st Century and Contemporary American Necklace Enhancers

Materials

Quartz, Gold, 14k Gold, Yellow Gold

Bochic “Capri” 100 Carat Plus Of Natural Ruby Necklace Set in 18K Gold & Silver
By Bochic
Located in New York, NY
Bochic “Capri” 100 Carat Plus Of Natural Ruby Necklace Set in 18K Gold & Silver Elegant and Chic
Category

21st Century and Contemporary Thai Art Deco Drop Necklaces

Materials

Ruby, 18k Gold, Gold Plate, Silver

Paloma Picasso 100 Carat Citrine Pendant and 30 Inch Chain
By Paloma Picasso
Located in Carmel-by-the-Sea, CA
A large orb-like pendant of citrine weighing approximately 100 carats is capped with a golden bale
Category

Late 20th Century Drop Necklaces

Materials

Citrine, Yellow Gold

Sapphire Diamond Gold Necklace
Located in Beverly Hills, CA
Ceylon Sapphires, all weighing approx. 100 carats. The necklace is designed with a diamond ribbon
Category

21st Century and Contemporary American Modern Choker Necklaces

Materials

Diamond, Sapphire, 18k Gold

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100 Carat Necklace For Sale on 1stDibs

Surely you’ll find the exact 100 carat necklace you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Each design created in this style — which was crafted with great care and often made from Gold, Platinum and Yellow Gold — can elevate any look. Find an antique version now, or shop for 5 vintage or 7 modern creation for a more contemporary example of these cherished accessories. If you’re looking for a 100 carat necklace from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 19th 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 versions are of considerable interest. There have been many well-made iterations of the classic 100 carat necklace over the years, but those made by Diana M. Jewels, Gemjunky and Michael Kanners are often thought to be among the most beautiful. A 100 carat necklace can be a stylish choice for most occasions, but Diamond rings, from our inventory of 7, can add a particularly distinctive touch to your look, day or night. Today, if you’re looking for a cushion cut version of this piece and are unable to find the perfect match, our selection also includes round cut and bead alternatives. If you’re browsing our inventory for a 100 carat necklace, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a 100 Carat Necklace?

Prices for a 100 carat necklace can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $640 and can go as high as $462,500, while this accessory, on average, fetches $38,500.

Why Gold Shines in Jewelry Craftsmanship

Gold is the feel-good metal, the serotonin of jewelry. Wear vintage and antique gold necklaces, watches, gold bracelets or gold rings and you feel happy, you feel dressed, you feel, well, yourself. 

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. 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.

For the woman who prefers a minimalist look, the Tiffany & Co. twist bangle (thin, slightly ovoid) is stylishly simple. For Cummings devotees, signature pieces feature hard stone inlay, such as her pairs of gold ear clips inlaid with black jade (a play on the classic Chanel black and tan), or bangles whose design recalls ocean waves, with undulating lines of lapis lazuli and mother-of-pearl. 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. The same could be said for his endlessly varied gold cuffs.

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.

Aldo Cipullo, Cartier’s top in-house designer from the late 1960s into the early ’70s, made history in 1969 with the Love bracelet. Cipullo frequently said that the Love bracelet was born of a sleepless night contemplating a love affair gone wrong and his realization that “the only remnants he possessed of the romance were memories.” He distilled the urge to keep a loved one close into a slim 18-karat gold bangle. 

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. The Tubogas watches are classics, and then there is the Serpenti, the house's outstanding snake-themed watches and bracelets.

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. The house’s many gold bracelets, typically embellished with a few or many diamonds, signified taste and distinction and are always in favor on the secondary market. Other important mid-20th-century houses known for their gold-themed jewelry include Hermès and Ilias Lalaounis.

Find a stunning collection of vintage and antique gold jewelry on 1stDibs.

Questions About 100 Carat Necklace
  • 1stDibs ExpertNovember 1, 2023
    How many carats a tennis necklace is depends on the size and number of diamonds that it features. For example, a tennis necklace with 100, 0.1 carat diamonds would have a total weight of 100 carats, while one with 60, 0.2 carat diamonds would be 120 carats in total. Generally, the longer a tennis necklace is and the larger its gemstones are, the higher the total carat weight will be. Shop a range of tennis necklaces on 1stDibs.
  • 1stDibs ExpertNovember 6, 2023
    There is no hard-and-fast rule for how many carats a diamond necklace should be. On average, solitaire diamond necklaces range from 0.5 to 1 carat, but you can find pieces with larger and smaller stones. Tennis chains that feature continuous diamonds set into links usually have much higher total carat weights. For example, one might feature 60 individual diamonds, each 0.20 carats in size, for a total carat weight of 12.0 carats. Shop a wide range of diamond necklaces on 1stDibs.