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18k Gold Diamond Brooch

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Oscar Heyman 18k Gold Fancy Yellow Diamond Prowling Lion Brooch
By Oscar Heyman
Located in New York City, NY
Oscar Heyman 18k yellow gold 'prowling lion' brooch contains a 0.01ct round emerald eye, 22 round
Category

2010s American Contemporary Brooches

Materials

Diamond, Yellow Diamond, Gold, 18k Gold

18k 750 Yellow Gold Natural Diamond Convertible Pendant and Brooch
Located in New York, NY
Gold Diamond Brooch Pendant Metal Type: 18K Yellow Gold Total Item Weight: 16.1 Grams Dimensions
Category

21st Century and Contemporary Contemporary Brooches

Materials

Diamond, 18k Gold, Yellow Gold

Vintage Mid-Century Diamond Wreath Brooch in 18K White Gold
Located in Great Neck Plaza, NY
An exquisite vintage brooch crafted in 18K white gold, designed in a classic wreath motif. This
Category

Vintage 1950s Brooches

Materials

Diamond, 18k Gold, White Gold

Diamond 18k Yellow Gold Onyx Tsavorite Leopard Brooch Pendant
Located in Beverly Hills, CA
A striking brooch depicting a poised leopard. Crafted in 18k yellow gold, the body is adorned with
Category

21st Century and Contemporary American Contemporary Brooches

Materials

Diamond, Onyx, Tsavorite, 18k Gold, Yellow Gold

Diamond 18k Yellow Gold Onyx Tsavorite Leopard Brooch Pendant
Located in Beverly Hills, CA
A striking brooch depicting a poised leopard. Crafted in 18k yellow gold, the body is adorned with
Category

21st Century and Contemporary American Contemporary Brooches

Materials

Diamond, Onyx, Tsavorite, 18k Gold, Yellow Gold

Diamond elephant Brooch 1.32 Carat WSI, 18K Yellow Gold
By Pomellato
Located in Berlin, BE
everyone in the room. The 18k yellow gold setting is perfectly crafted to showcase the stunning diamonds
Category

Late 20th Century Italian Modern Brooches

Materials

Diamond, 18k Gold, Yellow Gold

Vintage 18K White Gold Ruby Sapphire Diamonds America Flag Brooch
Located in Flushing, NY
Vintage 18K White Gold Ruby Sapphire Diamonds America Flag Brooch Approximate Dimensions: 4.5
Category

20th Century Brooches

Materials

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

18K Yellow Gold Diamond, Ruby, and Citrine Dragon Head Brooch
Located in Great Neck Plaza, NY
A bold and exquisitely detailed 18K yellow gold dragon head brooch, showcasing masterful sculptural
Category

Vintage 1970s Brooches

Materials

Citrine, Diamond, Ruby, 18k Gold, Yellow Gold

Vintage Diamond Turquoise 18K Gold Grape Vine Motif Brooch
Located in Miami, FL
crafted in solid 18k yellow gold. This exquisite fashionable piece serves as a statement accessory
Category

Vintage 1970s American Retro Brooches

Materials

Diamond, Turquoise, 18k Gold

18K Yellow Gold “Tiffany Co” Diamond Umbrella Brooch
Located in Hicksville, NY
Year: 1990s Item Details: Metal Type: 18K Yellow Gold [Hallmarked, and Tested] Weight: 14.8 grams
Category

1990s Art Deco Brooches

Materials

18k Gold, Yellow Gold

Antique 18K Yellow Gold Diamond Pearl Enameled Pin Brooch
Located in New York, NY
Antique 18K Yellow Gold Pin Brooch, beautifully accented by a 0.10-carat round diamond, a halo of six seed
Category

Early 20th Century American Art Deco Brooches

Materials

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

Chalcedony Pearl Ruby Diamond 18K Yellow Gold Snail Brooch
By Valentin Magro
Located in New York, NY
The snail brooch evokes an oceanic spirit. Soft blue chalcedony is carved as the shell. The 18k
Category

2010s American Brooches

Materials

Chalcedony, Diamond, Pearl, Ruby, 18k Gold, Yellow Gold, Gold

Silver-top 18K Gold Diamond Natural Pearl Brooch, GIA
Located in New York, NY
, radiating a unique luster. The total diamond weight is approximately 6.8ct, and the brooch is crafted from
Category

Antique Late 19th Century Brooches

Materials

Diamond, Pearl, 18k Gold, Silver

H. Stern 18K Yellow Gold Diamond and Citrine Lion Brooch
By H. Stern
Located in Southampton, PA
beautiful faceted citrine in an oval bezel.This vintage H. Stern 18K Yellow Gold Diamond and Citrine Lion
Category

21st Century and Contemporary Brooches

Materials

Citrine, Diamond, 18k Gold, Yellow Gold

Platinum and 18K Yellow Gold 1.45ct Diamond and Turquoise Brooch
By LB Exclusive
Located in Southampton, PA
This brooch is filled with dynamic details. Elaborate Platinum and 18K Yellow Gold metalwork gives
Category

21st Century and Contemporary Brooches

Materials

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

Chaumet Retro Brooch 18k Gold Diamond Pin Estate Jewelry
By Chaumet
Located in Beverly Hills, CA
A French chic retro diamond brooch by Chaumet Paris made of 18 karat gold and platinum
Category

Vintage 1940s French Retro Brooches

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

David Belais 18k White Gold Diamond Art Deco Brooch
By Belais
Located in Montreal, QC
Art deco 18k white gold brooch made in the USA by Belais Manufacturing Co. Founded by David Belais
Category

20th Century American Art Deco Brooches

Materials

Diamond, 18k Gold, White Gold

18K Gold, Diamond Flower Brooch. 6.5cm x 3cm. Beautiful Workmanship!
Located in Hong Kong, HK
dressed down. The brooch is made of 18k white and yellow gold with natural diamonds. The brooch is about
Category

2010s Hong Kong Brooches

Materials

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

Akoya Pearl Diamond Onyx 18k Yellow Gold Wreath Brooch
Located in Beverly Hills, CA
carved piece of black onyx which adds contrast to the brooch. Made in 18k yellow gold and ready to be
Category

21st Century and Contemporary American Brooches

Materials

Diamond, Onyx, Pearl, 18k Gold, Yellow Gold

Tiffany Co. Italian Diamond 18k Gold Enamel Wreath Brooch
By Tiffany Co.
Located in Beverly Hills, CA
A classic piece by Tiffany & Company, this wreath brooch features 30 VVS quality full-cut diamonds
Category

21st Century and Contemporary Italian Contemporary Brooches

Materials

Diamond, 18k Gold, White Gold, Enamel

GIT Certified Golden Pearls 6.00 Ct Diamonds Brooch/Pendant 18K Gold Gold
Located in New Delhi, Delhi
. Magnificent brooch/pendant come in 18k gold with lustrous Golden South Sea Pealrs from 11-14mm, fine quality
Category

21st Century and Contemporary Brooches

Materials

Diamond, Pearl, 18k Gold

David Webb Platinum 18k Yellow Gold Medusa Diamond Pendant Brooch
By David Webb
Located in New York, NY
David Webb 18K Yellow Gold Medusa Diamond Pendant Brooch. Vintage 18K yellow gold platinum and
Category

20th Century American Modern Brooches

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

18K Rose Gold Pink Sapphire Diamond Bee Brooch
By American Waltham Watch Co.
Located in Hong Kong, HK
18K Rose Gold Pink Sapphire Diamonds Bee Brooch 42 Diamonds 0.16 CT 24 Fancy Diamonds 0.25 CT 1
Category

21st Century and Contemporary Hong Kong Modern Brooches

Materials

Diamond, Pink Sapphire, Rose Gold

Edwardian Diamond Brooch, 18K Yellow Gold, Date 1910...
Located in Canterbury, England
This exquisite Edwardian diamond brooch is set in 18K white gold and is dated circa 1910. With
Category

Vintage 1910s Brooches

Materials

Diamond, Yellow Gold

Cats Eye Chrysoberyl Diamond 18k White Gold Brooch-Pendant
Located in Beverly Hills, CA
different directions! The brooch is complemented by 0.38 carats of round brilliant-cut diamonds set between
Category

21st Century and Contemporary American Brooches

Materials

Chrysoberyl, Diamond, Cat’s Eye, 18k Gold, White Gold

1960 s 18K Gold Dragon Diamond 9.50cts Enamel Brooch Pin
Located in Miami, FL
Dragon Brooch in 18K White & Yellow Gold with Diamonds, Sapphire, and Enamel. A bold dragon brooch
Category

Vintage 1960s European Brooches

Materials

Diamond, 18k Gold, Enamel

18K Gold Diamond Ruby Emerald Flower Bouquet Brooch, Handmade
By MOISEIKIN
Located in Hong Kong, HK
, yet sophisticated brooch, which adds colours and energy on your mood and outfit. 18K Gold Brooch
Category

2010s Russian Contemporary Brooches

Materials

Diamond, Emerald, Ruby, 18k Gold

Antique Fidiqree Diamond Brooch in 18K White Gold
Located in Palm Desert, CA
This exquisite antique brooch is finely crafted in 18K white gold and showcases the timeless
Category

Vintage 1920s Unknown Art Deco Brooches

Materials

Diamond, White Gold

1970s Large Coral Diamond Emerald 18K Gold Brooch and pendant
Located in Miami, FL
Bold vintage 1970s brooch pin crafted in 18K yellow and white gold. The design centers large oval
Category

Vintage 1970s American Brooches

Materials

Coral, Diamond, Emerald, 18k Gold

Bambi Diamond Ruby Enamel Brooch in 18k Yellow Gold
Located in Honolulu, HI
Item Specifications: Metal: 18k Yellow Gold Diamond count: 27 Diamond total carat weight: ~0.27
Category

Late 20th Century American Modern Brooches

Materials

Diamond, Ruby, 18k Gold, Yellow Gold, Enamel

Modern Diamond Bird Brooch ~14ctw Yellow and White Diamonds 18k Yellow Gold
Located in Fairfield, CT
Modern Diamond Bird Brooch ~14ctw Yellow and White Diamonds 18k Yellow Gold The Modern Canary
Category

1990s Modern Brooches

Materials

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

White Diamond Brooch in 18K Yellow Gold Platinum
Located in Los Angeles, CA
Beautiful 12.00 ct. good quality, white, and bright diamond rounds in this handmade 18k yellow gold
Category

21st Century and Contemporary Brooches

Materials

White Diamond, Yellow Gold, Platinum

Butterfly Diamond Enamel Gold 18K Pendant convertible Brooch
Located in Geneva, CH
Butterfly Diamond Enamel Gold 18K Pendant convertible Brooch. Wings are movable. Total length
Category

Late 20th Century Aesthetic Movement Brooches

Materials

Diamond, Gold, Enamel

Antique Victorian Ruby Diamond Crescent Brooch 18K Gold - c.1880
Located in London, GB
We are delighted to offer this exquisite antique Victorian 18ct gold ruby diamond brooch c
Category

Antique 1880s Victorian Brooches

Materials

Diamond, Ruby, Gold, 18k Gold, Silver

Natural Diamond Sapphire Pearl Brooch Bow Ribbon 18K Gold Vintage
By Estate Jewelry
Located in East Brunswick, NJ
Natural Diamond Sapphire Pearl Brooch Bow Ribbon 18K Gold Vintage Natural Diamond Sapphire Pearl
Category

Mid-20th Century Brooches

Materials

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

Van Cleef Arpels 18K Yellow Gold and Diamond Flower Brooch
By Van Cleef Arpels
Located in Hicksville, NY
Van Cleef & Arpels 18K Yellow Gold and Diamond Flower Brooch - VHK#308a Item Details: Metal Type
Category

Mid-20th Century Brooches

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Bvlgari Bulgari 18k Gold Turquoise Flower Brooch Emerald Diamond Accents
By Bulgari
Located in Beverly Hills, CA
DESIGNER: Bulgari CIRCA: 1970s MATERIALS: 18k Gold GEMSTONE: Turquoise, Diamond, Emerald WEIGHT: 20
Category

Vintage 1970s Brooches

Materials

Diamond, Emerald, Turquoise, 18k Gold

Antique 18k Yellow Gold 16.07ct Amethyst Natural Pearl Diamond Brooch
Located in New York, NY
diamonds, creating an elegant balance of color and texture. The piece is finely crafted in 18k yellow gold
Category

20th Century Brooches

Materials

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

Vintage Platinum 18K Yellow Gold Bar Brooch with Diamonds, Italy
Located in Los Angeles, CA
Vintage platinum and 18 karat yellow gold bar brooch, with brilliant diamonds and glass paste
Category

Early 20th Century Italian Brooches

Materials

Diamond, 18k Gold, Platinum, Yellow Gold

18K Gold Diamond Panther Brooch with Sapphires and Rubies
Located in Macau, MO
This is a magnificant panther diamond brooch in 18K yellow gold, set with 354 pieces of white
Category

2010s Hong Kong Contemporary Brooches

Materials

Diamond, Ruby, Sapphire, 18k Gold, Yellow Gold

Vintage Matador Sapphire, Ruby and Diamond 18K Yellow Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
Analyzer) and verified as 18k gold. This vintage matador brooch is supplied with an independent diamond
Category

Vintage 1950s Brooches

Materials

Diamond, Ruby, Sapphire, 18k Gold, Yellow Gold

Oscar Heyman, Platinum 18K Gold Fancy Color Diamond Diamond Gardenia Brooch
By Oscar Heyman
Located in New York, NY
168 round fancy color diamonds total 8.8ct, 133 round diamonds total 3.66ct. With Oscar Heyman’s
Category

Vintage 1950s Brooches

Materials

Diamond, 18k Gold, Platinum

Wander France Onyx Diamond Brooch/Pendant 18K Yellow White Gold
By Wander
Located in Dallas, TX
Wander France Onyx and Diamond Brooch/Pendant in 18K Yellow & White Gold. Elegant french brooch
Category

Vintage 1980s French Brooches

Materials

Diamond, Onyx, 18k Gold, White Gold, Yellow Gold

Cascading Diamond 18K Yellow Gold Bow Vintage Pin Brooch
Located in Mount Kisco, NY
Show stopping fabulous vintage 18 Karat Yellow Gold, Diamond & Black Enamel Pin Brooch. Ribbon
Category

Vintage 1950s American Brooches

Materials

Diamond, 18k Gold, Yellow Gold, Enamel

18K Yellow Gold Snail Brooch with Diamonds and Pearl
Located in Hicksville, NY
Item Details: Metal Type: 18K Yellow Gold [Hallmarked, and Tested] Weight: 10.2 grams Diamond
Category

Antique Early 1900s Brooches

Materials

Gold, 18k Gold, Yellow Gold

18K White Gold Turtle Blue Sapphire and Diamond Brooch
Located in Hong Kong, HK
18K White Gold Turtle Blue Sapphire and Diamond Brooch 44 Blue Sapphires - 0.36 CT 10 Diamonds
Category

21st Century and Contemporary Hong Kong Modern Brooches

Materials

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

Art Deco Jadeite and Diamond Brooch Pin 18K White Gold
Located in Miami, FL
Jewelry Details: Item Type: Brooch Pin Metal Type: 18K White Gold Weight: 16.9 grams Length: 2.75
Category

20th Century Art Deco Brooches

Materials

Diamond, White Diamond, Jade, Gold, 18k Gold, White Gold

Grima Co 18k Gold, Diamond, Coral and Enamel Flower Brooch
By Grima
Located in New York, NY
Grima & Co 18k Gold, Diamond, Coral and Enamel Flower Brooch Details: Length 2.36" x Width 1.37
Category

20th Century Brooches

Materials

Coral, Diamond, 18k Gold, Enamel

18k Yellow Gold Floral Brooch, 12.1gr
Located in Laguna Beach, CA
18k Yellow Gold Floral Brooch, 12.1gr 18k yellow gold floral brooch with small rose cut diamonds
Category

Late 20th Century Unknown Brooches

Materials

Diamond, 18k Gold, Yellow Gold

Gorgeous 6.87ct Tourmaline Natural Diamond Brooch in 18K White Gold
Located in רמת גן, IL
in polished 18K white gold and weighing 26.63g, this 68mm by 40mm statement piece is both luxurious
Category

2010s Singaporean Brooches

Materials

Diamond, Tourmaline, 18k Gold, White Gold

Vintage 18K Yellow Gold, Ruby Diamond Dragonfly Brooch
Located in Firenze, IT
Fashionable vintage 18K yellow gold, ruby and diamond dragonfly brooch. Colourful, embellished with
Category

Vintage 1980s European Modern Brooches

Materials

Diamond, Ruby, Yellow Gold

Cellino 18K Yellow Gold Chatham Emerald Diamond Brooch c. 1970s
By Cellino
Located in New York, NY
Italy Cellino Chatham emerald diamond brooch crafted in solid 18K yellow gold. The emeralds are
Category

Vintage 1970s Italian Modern Brooches

Materials

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

Estate Pave Diamond Flower Brooch / Pin in 18k Yellow Gold
Located in La Jolla, CA
Estate Diamond Flower Brooch / Pin in 18k Yellow Gold 6.36 carats Estate Diamond Flower Brooch
Category

20th Century North American Brooches

Materials

Diamond, 18k Gold, Yellow Gold

GIT Certified South Sea Pearl Diamonds 18k Gold Brooch/Pendant
Located in New Delhi, Delhi
An exquisite South Sea Pearl and Diamonds brooch/pendant in modern design, crafted with particular
Category

21st Century and Contemporary Brooches

Materials

Diamond, South Sea Pearl, 18k Gold

Amethyst Green Quartz And Diamond Flower Brooch 18K Yellow Gold
Located in New York, NY
fine 18K yellow gold. Brooch size: 1.8 inches. Total weight: 17.16 grams. Comes with a presentable gift
Category

2010s Modern Brooches

Materials

Amethyst, Diamond, Quartz, 18k Gold, Yellow Gold

Vintage 18k Yellow Gold Diamond Blue Enamel Face Pin Brooch
Located in Houston, TX
grams Ladies 18K yellow gold diamond vintage brooch. This Vintage brooch is handmade in Italy from 18K
Category

20th Century Brooches

Materials

Diamond, 18k Gold, Yellow Gold, Enamel

Art Deco 18K Gold Platinum Diamond Sapphire Brooch
Located in Firenze, IT
A stylish Art Deco brooch pin in platinum topped 18K yellow gold set with diamonds and marquise cut
Category

Early 20th Century European Art Deco Brooches

Materials

Diamond, Sapphire, Gold, Platinum

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18k Gold Diamond Brooch For Sale on 1stDibs

Find the exact 18k gold diamond brooch you’re shopping for in the variety available on 1stDibs. Frequently made of gold, 18k gold and yellow gold, this item was constructed with great care. Find an antique version now, or shop for 15642 vintage or 3675 modern creation for a more contemporary example of these cherished accessories. You’re likely to find the perfect 18k gold diamond brooch among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those 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. A 18k gold diamond brooch from Tiffany Co., Van Cleef Arpels and Cartier — each of whom created a beautiful version of this treasured accessory — is worth considering. Today, if you’re looking for a round cut version of this piece and are unable to find the perfect match, our selection also includes brilliant cut and mixed cut alternatives. If you’re browsing our inventory for a 18k gold diamond brooch, 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 18k Gold Diamond Brooch?

On average, a 18k gold diamond brooch at 1stDibs sells for $5,939, while they’re typically $1 on the low end and $10,990,980 for the highest priced versions of this item.

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.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Finding the Right Brooches for You

Vintage brooches, which refer to decorative jewelry traditionally pinned to garments and used to fasten pieces of clothing together where needed, have seen increasing popularity in recent years.

While jewelry trends come and go, brooches are indeed back on the radar thanks to fashion houses like GucciVersaceDior and Saint Laurent, all of which feature fun pinnable designs in their current collections. Whether a dazzlingly naturalistic Art Nouveau dragonfly, a whimsical David Webb animal, a gem-studded bloom or a streamlined abstract design, these jewels add color and sparkle to your look and a spring to your step. 

Given their long history, brooches have expectedly taken on a variety of different shapes and forms over time, with jewelers turning to assorted methods of ornamentation for these accessories, including enameling and the integration of pearls and gemstones. Cameo brooches that originated during the Victorian age are characterized by a shell carved in raised relief that feature portraits of a woman’s profile, while 19th-century micromosaic brooches, comprising innumerable individually placed glass fragments, sometimes feature miniature depictions of a pastoral scene in daily Roman life.

At one time, brooches were symbols of wealth, made primarily from the finest metals and showcasing exquisite precious gemstones. Today, these jewels are inclusive and universal, and you don’t have to travel very far to find an admirer of brooches. They can be richly geometric in form, such as the ornate diamond pins dating from the Art Deco era, or designer-specific, such as the celebrated naturalistic works created by Tiffany Co., the milk glass and gold confections crafted by Trifari or handmade vintage Chanel brooches of silk or laminated sheer fabric. Chanel, of course, has never abandoned this style, producing gorgeously baroque CC examples since the 1980s.

Brooches are versatile and adaptable. These decorative accessories can be worn in your hair, on hats, scarves and on the lower point of V-neck clothing. Pin a dazzling brooch to the lapel of your blazer-and-tee combo or add a cluster of smaller pins to your overcoat. And while brooches have their place in “mourning jewelry,” in that a mourning brooch is representative of your connection to a lost loved one, they’re widely seen as romantic and symbolic of love, so much so that a hardcore brooch enthusiast might advocate for brooches to be worn over the heart.

Today, find a wide variety of antique and vintage brooches for sale on 1stDibs, including gold brooches, sapphire brooches and more.

Questions About 18k Gold Diamond Brooch
  • 1stDibs ExpertFebruary 22, 2021
    Yes, 18k is the perfect karatage for jewelry. While 24k is more prized and typically more expensive, it is also less dense and durable than 18k gold.
  • 1stDibs ExpertApril 5, 2022
    Yes, 18K gold is real gold. However, it is not pure gold. Something marked 18K is 75 percent genuine gold and 25 percent metal alloy. On 1stDibs, shop a range of expertly vetted gold jewelry from some of the world’s top sellers.
  • 1stDibs ExpertApril 5, 2022
    18K green gold is an alloy created by mixing silver, copper and zinc with normal gold. 18K green gold is greener than 14K green gold. On 1stDibs, shop a wide collection of genuine 18K green gold from some of the world's top sellers.
  • 1stDibs ExpertApril 5, 2022
    Whether or not 18K gold wears off depends on how it's made. The finish will not wear off of a piece of jewelry or another object made entirely out of 18K gold. However, wear can occur on pieces that feature 18K gold plating, a thin layer of gold applied over another type of metal. You'll find a large selection of gold jewelry and decorative objects on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    An 18K gold watch is a timepiece made from gold precious metal of a specific purity. The term 18K means 18-karat, a precious metal that is 75 percent pure gold and 25 percent alloy. Shop a large collection of gold watches on 1stDibs.
  • 1stDibs ExpertMarch 22, 2022
    18K Italy gold is 18-karat gold produced in Italy. Karats tell you how much of a piece of metal is genuine gold. In the case of 18-karat gold, 18 parts are pure gold, and six parts are other metals. This makes 18-karat pieces 75 percent gold. You'll find a large collection of gold jewelry on 1stDibs.
  • 1stDibs ExpertAugust 26, 2024
    The difference between 24K gold and 18K gold is how much pure gold the metals contain. Something made of 24-karat gold is 99.9% pure gold, while 18-karat gold items are 75% gold and 25% alloy metals. Generally, 18-karat gold is more durable and scratch-resistant due to the presence of alloy metals. On the other hand, 24-karat gold tends to be more richly colored and expensive. On 1stDibs, find a wide range of gold jewelry.
  • 1stDibs ExpertApril 5, 2022
    Yes, gold dipped, also known as gold plated, pieces are considered real gold. The process coats a piece of metal or alloy with a layer of gold for a gold finish. Shop a collection of 18 karat gold jewelry, solid and dipped, on 1stDibs.
  • 1stDibs ExpertFebruary 22, 2021
    Yes, 18k gold can tarnish, but it is uncommon. Pure gold does not combine easily with oxygen and therefore does not tarnish. The higher the karat, the less likely a piece of gold will tarnish.
  • 1stDibs ExpertMarch 22, 2022
    Yes, 18-karat gold can turn green in some circumstances. This type of gold is about 75 percent genuine gold and 25 percent alloy, and the other metal or metals used to produce it may react negatively to acidic substances. When this occurs, 18-karat gold may take on a greenish hue. On 1stDibs, shop a large selection of gold jewelry.
  • 1stDibs ExpertAugust 29, 2024
    Yes, 18K 750 is real gold. Gold pieces that bear this hallmark are 18-karat gold, a 75% pure gold alloy and 25% base metal. One of the most popular materials for fine jewelry, 18-karat gold shows off a rich yellow, white or rose color and resists scratching more readily than pure gold. Explore a wide variety of 18-karat gold jewelry on 1stDibs.
  • 1stDibs ExpertNovember 14, 2023
    Yes, 18-karat gold can be good for earrings. Because it is an alloy, 18-karat gold is more durable and scratch-resistant than pure 24-karat gold. You can find 18-karat gold in rich warm yellow, cooler white with warm undertones and light pink rose. On 1stDibs, explore a large collection of gold earrings.
  • 1stDibs ExpertSeptember 16, 2024
    Yes, many people believe that 18k gold is worth buying. Due to the metal's durability, jewelry produced from 18-karat gold is often resistant to scratching and damage. In addition, the large amount of pure gold in the alloy gives white, rose and yellow 18-karat gold a vibrant color. However, whether or not it’s worth investing in 18-karat gold is totally subjective! At 1stDibs, we believe in buying what you love. Our shopping experience enables discovery and learning, whether you are a seasoned connoisseur or just beginning your collection. Find a diverse range of gold jewelry on 1stDibs.
  • 1stDibs ExpertNovember 26, 2024
    On a watch, 18K gold means that the watch features genuine gold. An alloy, 18-karat gold is 75% pure gold and 25% other metals. The high gold content gives the metal an attractive color, while the alloy metals add strength to increase its durability. An 18-karat gold watch may be solid gold or gold-filled, which means it is primarily another metal that the watchmaker finished with a thin layer of 18-karat gold. On 1stDibs, find a large selection of gold watches.
  • 1stDibs ExpertDecember 5, 2024
    Many watch lovers believe that 18K gold is good for watches. An alloy, 18-karat gold is 75% pure gold and 25% other metals. The amount of gold makes the color of the alloy, whether it's white, yellow or rose, rich and visually appealing. At the same time, the addition of alloy metals increases the strength of the gold material. Explore a large selection of watches on 1stDibs.
  • 1stDibs ExpertOctober 12, 2021
    The difference between 14k and 18k rose gold metal is that the 14k rose gold is less pure than 18k. 14k rose gold has a deeper pink color because of greater amounts of copper, whereas 18k rose gold has 75% gold and appears yellow. 14k rose gold is increasingly popular due to its brighter pink hue and resistance to scratches. On 1stDibs, shop a range of vintage rose gold jewelry.
  • 1stDibs ExpertApril 5, 2022
    A piece of jewelry or a decorative object marked 18K gold plated does likely contain real gold. The marking indicates that the item is metal under a layer of gold alloy that contains 75 percent gold and 25 percent other metal. On 1stDibs, shop a collection of expertly vetted gold jewelry.
  • 1stDibs ExpertOctober 30, 2024
    How much your 18K gold chain is worth depends on several factors. As a material, 18-karat gold typically fetches a higher price than 14-karat and 10-karat gold on the scrap market because it contains more pure gold. When selling a piece for scrap, the length, thickness and weight of your chain will determine how much you can expect to receive for it. It's also possible that your chain may be worth more than the going scrap rate due to its style, maker, age and other characteristics. Consequently, you may wish to have a certified appraiser or knowledgeable jeweler evaluate your jewelry before you sell it. On 1stDibs, shop a wide range of gold chains.
  • 1stDibs ExpertNovember 1, 2023
    The difference between 14K and 18K white gold stud earrings comes down to the content of the precious metal alloy. Stud earrings made of 14-karat white gold are 58.3% gold and 41.7% base metal, while 18-karat gold is 75% pure gold and 25% other metals. As a result, 14-karat white gold tends to be stronger and more resistant to scratching, and 18-karat gold will have a more noticeable warm-glowing yellow tinge. On 1stDibs, shop a range of white gold stud earrings.
  • 1stDibs ExpertFebruary 22, 2021
    The price of gold per gram fluctuates with the market for gold. Today, 18k gold is worth roughly $44 per gram.