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Tiffany Co. 18K Yellow Gold Diamond Wheat Sheaf Brooch/Pin #23734
By Tiffany Co.
Located in Washington Depot, CT
Tiffany & Co. 18K Yellow Gold and Diamond Wheat Sheaf Brooch/Pin- This elegant brooch by Tiffany
Category

20th Century Contemporary Brooches

Materials

Diamond, 18k Gold, Yellow Gold

Natural White Pearl and Diamond 18K Yellow Gold Bar Brooch
Located in London, GB
A silver-topped 18 karat (18K) yellow gold bar brooch set with three button-shape natural white
Category

Antique Early 1900s French Brooches

Materials

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

Fancy Pink Yellow Diamond 18K Gold Tulip Flower Brooch Pin
Located in Miami, FL
A Fancy Yellow, Pink, and White  Diamond Tulip Floral Branch Brooch, crafted in 18K white and
Category

21st Century and Contemporary American Modern Brooches

Materials

Yellow Diamond, 18k Gold

Van Cleef Arpels, 18k Gold and Diamonds Flame Brooch, 1967
Located in Paris, FR
Important Van Cleef & Arpels, 18k Gold and Diamonds Flame Brooch, 1967 Of stylized flame design
Category

Vintage 1960s French Modern Brooches

Materials

Diamond, 18k Gold

Preowned Cynthia Bach 18K Yellow Gold Rubellite and Diamond Brooch
By Cynthia Bach
Located in Old Tappan, NJ
Pre owned vintage estate 18K yellow gold rubellite and diamond brooch with one bezel set faceted
Category

1990s Unknown Brooches

Materials

Diamond, Rubelite, 18k Gold, Yellow Gold

Edwardian 3.9 Carats Diamond 18K Gold Geometric Brooch Original Box, 1920
Located in Herzelia, Tel Aviv
Edwardian 18K Gold & Diamond Geometric Brooch, circa 1900s Overview A massive and impressive
Category

Vintage 1920s Edwardian Brooches

Materials

Diamond, 18k Gold

Art Deco Wurzbacher yellow gold brooch in 18k with diamonds
Located in Berlin, BE
features two fine diamonds, delicately set in a golden embrace. The choice of 18k yellow gold enhances the
Category

Vintage 1970s European Art Deco Brooches

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Pradera Jewels 18K Yellow Gold Silver Brooch with Diamonds Rubies
By Pradera Irama
Located in Neguri, Vizcaya
18K yellow gold brooch weighing 2.68 grams, silver weighing 4.57 grams, 119 diamonds with a total
Category

21st Century and Contemporary Spanish Contemporary Brooches

Materials

Diamond, Ruby, 18k Gold, Yellow Gold, Silver

18K White Gold Emerald Flower Brooch with Diamonds Fancy Diamonds
By Althoff Jewelry
Located in Hong Kong, HK
18K White Gold Emerald Flower Brooch with Diamonds & Fancy Diamonds 9 Emeralds - 2.50 CT 377
Category

21st Century and Contemporary Hong Kong Modern Brooches

Materials

Diamond, Emerald, White Gold

Buccellati brooch/pendent 18k white gold
By Buccellati
Located in Tel Aviv - Jaffa, IL
Buccellati brooch/ pendent 18k white gold. The oval open work plaque of lace design. set to center
Category

Early 2000s Italian Arts and Crafts Brooches

Materials

Diamond, 18k Gold, White Gold

Vintage Circa 1980s 18k Gold Natural Diamond And Enamel Brooch
Located in Fatih/İstanbul, 34
In very good condition. Total weight 13.8 grams. Totally is diamond 0.15 ct. The diamond is has H-I
Category

Vintage 1980s European Retro Brooches

Materials

Diamond, 18k Gold

Ruby and Diamond Brooch/Pendant set in 18K Gold Settings
Located in Bangkok, TH
Ruby 5.69 carats and Diamond 1.37 carats Brooch/Pendant set in 18K Gold Settings Width: 5.3 cm
Category

2010s Thai Art Deco Brooches

Materials

Diamond, Ruby, 18k Gold

Vintage MAYORS 18K Yellow Gold MOP Diamond Bow Brooch Pendant
By MAYORS
Located in Winter Springs, FL
An elegant little pin by well known retail jeweler, Mayor’s. It is crafted in 18K yellow, gold and
Category

Late 20th Century Contemporary Brooches

Materials

Diamond, 18k Gold, Yellow Gold

Vintage 18K White Gold Flower Boquet Brooch Pearls and Diamond
Located in Hicksville, NY
Item Details: Metal Type: 18K Yellow Gold [Hallmarked, and Tested] Weight: 9.7 grams Diamond
Category

20th Century Brooches

Materials

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

Estate Platinum 18K Yellow Gold 1970 s Diamond Flower Brooch
Located in New York, NY
Introducing a captivating Estate Platinum & 18K Yellow Gold 1970's Diamond Flower Bud Brooch, a
Category

20th Century American Modern Brooches

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Antique Edwardian 18K Gold Platinum Turquoise 0.22ctw Diamond Cluster Brooch
Located in Staines-Upon-Thames, GB
An antique diamond, turquoise, platinum, and yellow gold brooch, comprising two old European cut
Category

Antique Early 1900s Edwardian Brooches

Materials

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

Vintage Diamond Emerald Sapphire Ruby Floral Brooch 18K Yellow Gold
Located in New York, NY
rubies. Crafted in 18k yellow gold. This brooch measures 2.1 inches. The Gemstones are described as
Category

2010s Modern Brooches

Materials

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

Victorian Circa 1900s 18k Gold Natural Diamond Decorated Enamel Brooch
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 3.6 grams. Totally is diamond 0.02 carat. Please contact
Category

Antique Early 1900s European Victorian Brooches

Materials

Diamond, 18k Gold

Carlo Giuliano: Victorian 18K Gold Silver Moonstone, Diamond Enamel Brooch
By Carlo Giuliano
Located in Staines-Upon-Thames, GB
A Victorian moonstone, diamond, enamel, silver and yellow gold brooch, comprising two round
Category

Antique 1870s British Victorian Brooches

Materials

Diamond, Moonstone, 18k Gold, Yellow Gold, Silver, Enamel

18K Yellow Gold Flower Brooch with Sapphires and Diamond
Located in Hicksville, NY
Item Details: Metal Type: 18K Yellow Gold [Hallmarked, and Tested] Weight: 12.4 grams Pin
Category

20th Century Brooches

Materials

Gold, 18k Gold, Yellow Gold

Tiffany Co. 18k Gold Platinum Picasso Diamond Squiggle Brooch Pendant
By Tiffany Co.
Located in Honolulu, HI
Tiffany & Co. 18k Gold Platinum Picasso Diamond Squiggle Brooch Pendant. This elegant brooch is
Category

Late 20th Century American Modern Brooches

Materials

Diamond, Yellow Gold, 18k Gold, Platinum

18K Yellow Gold Diamond and Jade Swan Brooch Pin
Located in Hicksville, NY
Item Details: Metal Type: 18K Yellow Gold [Hallmarked, and Tested] Weight: 9.7 grams Pin
Category

Antique Late 19th Century Brooches

Materials

Gold, 18k Gold, Yellow Gold

Vintage Diamond Ruby Emerald Onyx 18K Gold Parrot Pin Brooch
Located in Miami, FL
Vintage Diamond Ruby Emerald Onyx18K Gold Parrot Pin Brooch See life in Vivid colors with these
Category

Vintage 1960s American Retro Brooches

Materials

Diamond, Emerald, Ruby, Gold, 18k Gold

18K White Gold Sapphire Diamond Citrine Flower Brooch
Located in New York, NY
Spring has eternally sprung in this bright and colorful flower brooch. The 18 karat white gold
Category

2010s American Modern Brooches

Materials

Citrine, Diamond, Sapphire, White Gold

VINTAGE 18K GOLD ENAMEL PARROT BROOCH with DIAMOND RUBY – 1960s
Located in Berlin, DE
fine 18 karat yellow gold and delicately enameled, the brooch is in very good pre-owned condition, with
Category

Vintage 1960s Italian Modern Brooches

Materials

Diamond, Ruby, 18k Gold, Enamel

Bvlgari 18K Yellow Gold Coral, Black Enamel And Diamond Brooch
By Bulgari
Located in New York, NY
Experience the timeless elegance of an estate Bvlgari 18K Yellow Gold Coral, Black Enamel, and
Category

20th Century Italian Modern Brooches

Materials

Coral, Diamond, 18k Gold, Yellow Gold, Enamel

Jadeite Yellow Briolette Diamond Rose Cut Diamond Flower Brooch in 18K Gold
Located in Hong Kong, HK
in 18-karat white and yellow gold, it features six pieces of jade, combining to a total weight of 7.0
Category

21st Century and Contemporary Hong Kong Contemporary Brooches

Materials

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

NALLY JEWELS Diamond Bicycle Brooch In 18k Yellow Gold
Located in New York, NY
Bicycle Brooch In 18k Yellow Gold. The bicycle features moving parts: handles, kick stand, spinning
Category

21st Century and Contemporary North American Artist Brooches

Materials

Diamond, Yellow Gold

Diamonds White Gold Brooch
Located in Lisboa, PT
19.2kt – 800‰ white gold star-shaped brooch, set with pavé diamonds in brilliant-cut.
Category

21st Century and Contemporary Portuguese Contemporary Brooches

Materials

Diamond, 18k Gold, White Gold

J.E. Caldwell 18k Yellow Gold Diamond Amethyst Movable Grapevine Brooch
Located in Lexington, KY
This stunning diamond and amethyst grapevine & grape brooch was made by J.E. Caldwell in the 1970s
Category

Vintage 1970s Brooches

Materials

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

Signed Damiani 18k Gold Diamond Crab Shaped Brooch or Pin
By Damiani
Located in Philadelphia, PA
A fine signed 18K gold & diamond figural brooch or pin. By Damiani, the renowned Italian jewelers
Category

Late 20th Century Italian Modern Brooches

Materials

Diamond, 18k Gold

Vintage 18k Gold Natural Diamond Sapphire Ruby Emerald Butterfly Brooch
Located in Fatih/İstanbul, 34
18k real gold. Please contact for any questions.
Category

Vintage 1980s European Retro Brooches

Materials

Diamond, Emerald, Ruby, Sapphire, 18k Gold

18K Gold Multi Gemstones Diamonds Lilies of the Valley Brooch
Located in Guaynabo, PR
This is a 18K yellow gold multi gemstones diamonds brooch. It depicts a long branch of Lilies of
Category

20th Century Unknown Art Nouveau Brooches

Materials

Diamond, Multi-gemstone, 18k Gold, Yellow Gold

Antique 18K Rose Gold and Silver 1.50ct Diamond and Emerald Brooch
By LB Exclusive
Located in Southampton, PA
This opulent antique brooch exudes old world elegance. Crafted from a combination of 18K Rose Gold
Category

21st Century and Contemporary Brooches

Materials

Diamond, Emerald, 18k Gold, Rose Gold, Silver

French 18K/Platinum Gold Ruby Diamond Floral Brooch c. 1940s
Located in New York, NY
An exquisite French Retro floral brooch, masterfully designed in rich 18K yellow gold with platinum
Category

Vintage 1940s French Retro Brooches

Materials

Diamond, Ruby, Platinum, 18k Gold, Rose Gold

Vintage 18K White Gold Diamond Brooch/Pendant, Floral Motif, Italy
Located in Los Angeles, CA
Vintage 18 karat white gold brooch/pendant in flowers motif, with brilliant diamonds in various
Category

Late 20th Century Italian Brooches

Materials

Diamond, 18k Gold, White Gold

Boucheron 1950s Emerald, Ruby, Sapphire and Diamond 18k Yellow Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
diamond and 18 karat yellow gold brooch by 'Boucheron'; part of our diverse gemstone jewellery and estate
Category

Vintage 1950s French Retro Brooches

Materials

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

Vintage Tiffany Co. 18K Gold, Diamond, and Citrine Flower Brooch
By Tiffany Co.
Located in New York, NY
. Crafted in 18-karat yellow gold, the piece is set with five richly faceted citrine petals of vivid golden
Category

20th Century Unknown Brooches

Materials

Citrine, Diamond, Sterling Silver, Enamel, 18k Gold

Dancer Brooch Diamonds 18K Yellow Gold Flamenco Box, 1940
Located in Herzelia, Tel Aviv
Diamonds 18K Yellow Gold Flamenco Dancer Brooch. Created in 1940. This fine and impressive
Category

Vintage 1940s Brooches

Materials

Diamond, Yellow Gold

AIG Certified 4.90 Carats Zambian Emerald 4.60 Diamonds 18K Gold Brooch
Located in New Delhi, Delhi
brooch come in 18k gold with 3 pieces of Zambian Emeralds of 4,90 carats, in perfect oval shape, vibrant
Category

21st Century and Contemporary Brooches

Materials

Diamond, Emerald, 18k Gold

Vintage Handmade 18K Yellow Gold Diamond Eyes Black Enamel Fox Brooch
Located in Houston, TX
yellow gold animal diamond vintage brooch. Engraved with "Italy" and "18K". In excellent condition
Category

Late 20th Century Unknown Brooches

Materials

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

Leaf Shape Natural Jadeite and Diamond Brooch in 18K Gold
Located in Macau, MO
carats in total, mounted in 18K white gold. Accompanied by report number SJ176801 dated October 23, 2018
Category

2010s Unknown Contemporary Brooches

Materials

Diamond, Jade, 18k Gold, White Gold

Mother-of-Pearl Diamond 18k Yellow Gold Marlin Fish Brooch
Located in Beverly Hills, CA
which is set in bright 18k yellow gold. Additionally, 0.32 carats of round brilliant-cut diamonds are
Category

21st Century and Contemporary American Brooches

Materials

Diamond, Pearl, 18k Gold, Yellow Gold

Edwardian Old Mine Diamond Horseshoe Brooch Pin 18k Gold Platinum
By Estate Jewelry
Located in East Brunswick, NJ
Old Mine Diamond Horseshoe Brooch Pin 18K Gold Platinum Edwardian This gorgeous Edwardian circa
Category

Antique Early 1900s Edwardian Brooches

Materials

Diamond, 18k Gold, Platinum

Cartier Diamond Elephant Brooch Pin Vintage 18k Yellow Gold Signed Jewelry
By Cartier
Located in Torrance, CA
Finley detailed Cartier diamond elephant brooch crafted in 18k yellow gold (circa 1980s to 1990s
Category

Late 20th Century Unknown Modern Brooches

Materials

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

Victorian Diamond Demantoid Pearl 18K Gold Antique Starburst Pendant Brooch
Located in Philadelphia, PA
With a hinged optional bale Stamped for 18 karat gold Circa: 1870s Measures: 1 x 1 inches - not
Category

Antique 1870s Victorian Brooches

Materials

Diamond, Garnet, Pearl, Gold, 18k Gold, Yellow Gold

Bulgari 18K Gold and Hematite Dolphin Brooch
By Bulgari
Located in New York, NY
Bulgari 18K Gold and Hematite Dolphin Brooch. Details: This brooch is designed as a dolphin with a
Category

20th Century Brooches

Materials

Diamond, Hematite, 18k Gold

0.3 Carat Baguette Cut Diamond 18k Gold Architectural Modernist Statement Brooch
By Agata Karwowska
Located in London, England
0.3 Carat Baguette Cut Diamond 18k Gold Architectural Modernist Statement Brooch. Unfolding an
Category

21st Century and Contemporary British Modernist Brooches

Materials

Diamond, Gold, 18k Gold

Estate 18K 14K Yellow Gold Natural 20CTW Diamond Handmade Butterfly Brooch
Located in Carmel By The Sea, CA
14K and 18K yellow gold with subtle white gold accents. The wings feature an intricate pierced design
Category

2010s Brooches

Materials

Diamond, 14k Gold, 18k Gold, Yellow Gold

Vintage 18K Yellow Gold Bow Brooch with 3.5ct Diamonds, Italy
Located in Los Angeles, CA
Vintage 18 karat yellow gold bow brooch, with round and tapered brilliant diamonds for a total of
Category

Early 20th Century Italian Brooches

Materials

Diamond, 18k Gold, Yellow Gold

VCA 1960s 18k gold, turquoise, ruby and diamond chick brooch
By Van Cleef Arpels
Located in London, GB
This delightful 1960s VCA chick brooch is made of 18k gold and is adorned with small round cut
Category

Vintage 1960s American Contemporary Brooches

Materials

Diamond, Ruby, Turquoise, 18k Gold

Tiffany Co. 18K Gold Diamond Paloma Picasso Double Heart Brooch
By Tiffany Co.
Located in Flushing, NY
Tiffany & Co. 18K Gold Diamond Paloma Picasso Double Heart Brooch Marked: Paloma Picasso For
Category

20th Century Brooches

Materials

Gold, 18k Gold

Diamond sapphire green emerald and ruby brooch 18k white gold
Located in London, GB
Gorgeous art deco parrot brooch in 18k white and yellow gold. Composed of round brilliant diamonds
Category

21st Century and Contemporary European Art Deco Brooches

Materials

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

Pradera Jewels 18K Yellow Gold Silver Brooch with Diamonds Gemstones
By Pradera Irama
Located in Neguri, Vizcaya
18K yellow gold brooch with a total weight of 2.68 grams, silver with a total weight of 6.42 grams
Category

21st Century and Contemporary Spanish Contemporary Brooches

Materials

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

An 18k Gold Baby Owl Brooch set with Diamonds and Emerald
Located in Amsterdam, NL
An 18 carat gold brooch in the shape of an owl set with 137 brilliant cut diamonds pavé set (in
Category

Vintage 1970s Brooches

Materials

Diamond, Emerald, Gold, 18k Gold

18K White Gold Floral Brooch with 400 Round Brilliant Cut Diamonds
Located in Coral Gables, FL
This exquisite floral pin is crafted in luxurious 18 karat white gold and showcases the artistry of
Category

21st Century and Contemporary Brooches

Materials

Diamond, 18k Gold, White Gold

An 18k Gold Cartier Bird Brooch
By Cartier
Located in Amsterdam, NL
An 18k gold brooch featuring a basket with four adorable baby birds, the eyes are set with ruby
Category

Vintage 1960s British Brooches

Materials

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

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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 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 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
    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 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 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 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.