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Edwardian 2.85 Carats Old European Cut Diamond Aquamarine Heart Foliate Necklace
Located in Philadelphia, PA
Centering a heart cut aquamarine weighing approximately 2.40 carats total - transparent light blue
Category

Vintage 1910s Edwardian Pendant Necklaces

Materials

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

Elsa Peretti Tiffany Co. 3.00 Carat Diamond Platinum Open Heart Necklace
By Elsa Peretti for Tiffany Co.
Located in Philadelphia, PA
Pendant is designed as a stylized open heart pavé set throughout by round brilliant cut diamonds
Category

1990s Unknown Contemporary Drop Necklaces

Materials

Diamond, Platinum

Victorian Gold and Diamond Double Heart Pendant Necklace
Located in Chicago, IL
Circa 1900 Double Heart Pendant Necklace, 14K yellow Gold and set with old Mine Cut Diamonds that
Category

Antique Early 1900s Unknown Pendant Necklaces

Materials

Diamond, 14k Gold

Diamond Heart Curb-Link Gold Necklace
Located in Beverly Hills, CA
A classic curb link gold necklace with a diamond studded heart drop. The heart is set with 1 carat
Category

21st Century and Contemporary American Link Necklaces

Materials

Diamond, Gold, 14k Gold, Yellow Gold

Edwardian 23.70 CTW Aquamarine Diamond Platinum Antique Heart Pendant Necklace
Located in Philadelphia, PA
pierced foliate wreath surrounding a bezel set heart cut aquamarine Weighing approximately 23.50 carats
Category

Vintage 1910s Edwardian Pendant Necklaces

Materials

Aquamarine, Diamond, Platinum

Onyx Diamond Gold Heart Drop Necklace
Located in Beverly Hills, CA
as well as studded with a single larger diamond weighing a total of 0.61 carats. The necklace is hand
Category

21st Century and Contemporary American Drop Necklaces

Materials

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

LB Exclusive 14 Karat White Gold 3.29 Carat Diamond Heart Pendant Necklace
By LB Exclusive
Located in Southampton, PA
with a 16” chain and boasts a heart pendant that measures 1.25” in length and 1” in width. The necklace
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, White Gold

.925 Sterling Silver Blue Diamond Broken Heart Pendant Necklace
Located in New York, NY
. • Metal: .925 White Sterling Silver with Rhodium Plating • Average Gram Weight: 2.178 • Diamond 1
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, Blue Diamond, Rhodium, Sterling Silver

Edwardian 1.05 Carat Diamond Platinum-Topped 14 Karat White Gold Heart Necklace
Located in Philadelphia, PA
throughout by old European cut diamonds weighing approximately 1.05 carats total; G to J color with VS and SI
Category

Vintage 1910s Edwardian Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold, White Gold, Platinum

14K White Gold Two-Stone Heart-Shaped Diamond Pendant Necklace
Located in Boca Raton, FL
This exquisite pendant necklace is a testament to timeless elegance, featuring two stunning heart
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Gold, 14k Gold, White Gold

.925 Sterling Silver Diamond Accent MOM Heart Pendant Necklace
Located in New York, NY
Gram Weight: 1.5444 • Diamond 1 Clarity: I2-I3, Color: J-K, Count: 8, Cut: Very Good, Origin: Natural
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, Rhodium, Sterling Silver

Tiffany Co. Elsa Peretti 18K Yellow Gold 0.75 Carat Diamond Heart Necklace
By Tiffany Co.
Located in Southampton, PA
Celebrate love with this Tiffany & Co. Elsa Peretti 18K Yellow Gold 0.75 ct Diamond Heart Pendant
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Vintage Diamond Heart Pendant Necklace 14 Karat White Gold European .78 Carat
Located in Greensboro, NC
gold, this scalloped open heart pendant features a sparkling diamond suspended in the center and framed
Category

20th Century Unknown Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

White Gold Diamond Vintage Heart Pendant Necklace, 14 Karat European .78 Carat
Located in Greensboro, NC
gold, this scalloped open heart pendant features a sparkling diamond suspended in the center and framed
Category

20th Century Unknown Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

14K White Gold 1 1/5 Cttw Diamond Composite Cluster Pendant Necklace
Located in New York, NY
but enduring strength. The heart of this exquisite piece is its central diamond, dramatically
Category

21st Century and Contemporary American Modern Pendant Necklaces

Materials

Diamond, Gold, 14k Gold, White Gold

Diamond Black Enamel Heart Diamond Pendant Locket c1920
Located in Stamford, CT
the neck.14k Yellow gold. Note: Chain not included with pendant. 1 old mine cut diamond, approx
Category

20th Century Unknown Art Deco Necklace Enhancers

Materials

Diamond, Yellow Gold, 14k Gold

.925 Sterling Silver Diamond Accent Open Heart Slide Pendant Necklace
Located in New York, NY
open heart slide pendant necklace. Gently ensconced within the tender embrace of its open heart design
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, Rhodium, Sterling Silver

Diamond Heart Pendant Necklace in White Gold
Located in Coral Gables, FL
14 Karat White Gold Heart Outline Pendant Necklace Featuring 38 Round and Baguette Cut Diamonds of
Category

Late 20th Century Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

Chaumet Yellow Gold Diamond Heart Chain Necklace
By Chaumet
Located in Beverly Hills, CA
Vintage Chaumet Paris 18k yellow gold and diamond Heart pendant features 18k chain necklace
Category

Vintage 1980s French Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

.925 Sterling Silver Diamond Accent MOM with Heart Pendant Necklace
Located in New York, NY
. Nestled within its heart-shaped silhouette is the affable word "MOM," surrounded by natural diamonds that
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, Rhodium, Sterling Silver

.925 Sterling Silver Cursive Mom Heart Diamond Accent Pendant Necklace
Located in New York, NY
. • Metal: .925 White Sterling Silver with Rhodium Plating • Average Gram Weight: 1.6794 • Diamond 1
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, Rhodium, Sterling Silver

.925 Sterling Silver Diamond Accent Infinity Heart Love Pendant Necklace
Located in New York, NY
necklace, adorned with natural diamonds that twinkle like stars along its artfully intertwined infinity
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, Rhodium, Sterling Silver

18K White Gold Classic Heart Solitaire Necklace with 1.11 Ct Natural Diamonds
Located in רמת גן, IL
Stunning classic heart solitaire necklace made from 18k white gold with 1.11 carat of a heart shape
Category

2010s Singaporean Drop Necklaces

Materials

Diamond, 18k Gold, White Gold

Enchanting 18k White Gold Heart-Shaped Diamond Solitaire Necklace w/0.71 ct
Located in רמת גן, IL
. Metal: 18k White Gold Main stone: 1 pc Diamond Main stone carat weight: 0.71 ct Shape: Heart Color
Category

2010s Israeli Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

.925 Sterling Silver Diamond Accent Mom with Heart Pendant Necklace
Located in New York, NY
, their brilliance amplifying the sentiments enclosed within. A miracle-set diamond beams at the heart
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, Rhodium, Sterling Silver

Exquisite 1.38ct Diamond Necklace with Heart-Shaped Pendant in 18k White Gold
Located in רמת גן, IL
Exquisite 1.38ct Diamond Necklace with Heart-Shaped Pendant in 18k White Gold - IGI Certified
Category

2010s Israeli Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Elegant Diamond Heart Necklace Made with 1.50CTW of Diamonds
Located in Webster, NY
Elegant diamond heart necklace made with Baguette and Round diamonds on an adjustable 23" chain
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

LB Exclusive 14 Karat Gold 0.20 Carat Diamond and Ruby Heart Pendant Necklace
By LB Exclusive
Located in Southampton, PA
This LB Exclusive necklace is made of 14K white gold and embellished with diamonds and rubies that
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Ruby, 14k Gold, White Gold

LB Exclusive 14 Karat Gold 0.20 Carat Diamond and Ruby Heart Pendant Necklace
By LB Exclusive
Located in Southampton, PA
This LB Exclusive necklace is made of 14K white gold and embellished with diamonds and rubies that
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Ruby, 14k Gold, White Gold

Pink Tourmaline Pave Diamond Gold Heart Pendant
Located in Stamford, CT
interesting two strand cable link chain. All diamonds are full cut. F, VS2. 1 heart shaped pink tourmaline
Category

Vintage 1980s Necklace Enhancers

Materials

Diamond, Tourmaline, 14k Gold, White Gold

0.55 Carat Heart-Shape White Diamond and Blue Diamond 18 Karat Gold Pendant
By Gad Co.
Located in Miami, FL
Centering a 0.32 Carat Heart-Shape Diamond, framed by 10 Round-Brilliant Cut Blue Diamonds, and set
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, Blue Diamond, White Gold, Gold, 18k Gold

Scott Kay Sterling Silver Diamond Heart Pendant Necklace
By Scott Kay
Located in Southampton, PA
This Scott Kay necklace is made out of sterling silver and diamonds that amount to 0.15 carats. The
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, Diamond, Sterling Silver

Dazzling Yellow Heart Diamond Necklace with Side Stones in 18K White Gold
Located in רמת גן, IL
-SI clarity. Metal: 18K White Gold Main stone: 1 stone Main stone carat weight: 0.88ct Shape: Heart
Category

2010s Singaporean Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

18K Yellow Gold GIA 4.54ctw Heart Emerald Diamond Tubogas Accordion Necklace
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Emerald - Heart Brilliant Cut - Bezel Set - Vivid Green Color
Category

21st Century and Contemporary Link Necklaces

Materials

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

18k Yellow Gold Heart Halo Necklace with Pendant with 0.45 Natural Diamonds
Located in רמת גן, IL
beautiful box. -1 diamond main stone of 0.30 ct. cut: heart color: F clarity: VVS1 cut grade: EX
Category

2010s Israeli Drop Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

18 Karat Two-Tone Gold Pave 1 Carat Diamond Heart on Yellow Gold Chain
Located in Boca Raton, FL
diamonds Necklace Length: 17" Clasp: Lobster Clasp Pendant Dimentions: 0.53" x 0.85" x 0.24" Total Weight
Category

2010s Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold, Yellow Gold

Dazzling Fancy Yellow Heart Diamond Necklace with Side Stones in 18K White Gold
Located in רמת גן, IL
-SI clarity. Metal: 18K White Gold Main stone: 1 stone Main stone carat weight: 0.88ct Shape: Heart
Category

2010s Israeli Pendant Necklaces

Materials

Diamond, White Gold

Diamond Gold Heart Pendant Enhancer
Located in Carmel-by-the-Sea, CA
rose gold and set with 4 carats of brilliant round diamonds that grade H-I color and Si2 clarity. The
Category

21st Century and Contemporary Necklace Enhancers

Materials

Diamond, 18k Gold, Rose Gold

Dazzling 2.58ct Diamonds Heart-Shaped Halo Necklace in 18k White Gold - IGI Cert
Located in רמת גן, IL
exquisite halo necklace features a stunning heart-shaped diamond with a total carat weight of 2.07-carat as
Category

2010s Israeli Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

3 Carat Princess Cut Diamond Heart Pendant
Located in Carmel-by-the-Sea, CA
of a pineapple. The white princess cut diamonds weigh 3 carats in total, but the piece appears to
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

Elsa Peretti Tiffany Co. Diamond Platinum Open Heart Pendant Necklace
By Elsa Peretti
Located in Philadelphia, PA
round brilliant cut diamonds Weighing approximately 0.02 carat total Eye clean and bright Completed by
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Platinum

Graff Heart-Shape Ruby Diamond Platinum Pendant Necklace
By Graff
Located in Beverly Hills, CA
Classy elegant Heart pendant necklace created by Laurence Graff. This romantic necklace with the
Category

Early 2000s British Pendant Necklaces

Materials

Diamond, Ruby, Platinum

.925 Silver Diamond Accent "I LOVE YOU MOM" Heart Pendant Necklace
Located in New York, NY
Sterling Silver with Rhodium Plating • Average Gram Weight: 2.1672 • Diamond 1 Clarity: I2-I3, Color: J
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, Rhodium, Sterling Silver

18k White Gold GIA Heart Brilliant Diamond Ruby Halo Slide Pendant Necklace
Located in Montclair, NJ
white gold and features a gorgeous, GIA certified, heart brilliant cut diamond solitaire neatly claw
Category

2010s American Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, White Gold

.925 Sterling Silver Diamond Accent "I Love Mom" Heart Pendant Necklace
Located in New York, NY
Silver with Rhodium Plating • Average Gram Weight: 1.8612 • Diamond 1 Clarity: I2-I3, Color: J-K
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, Rhodium, Sterling Silver

.50 Carat Diamond Heart Pendant 14 Karat
Located in New York, NY
Loves & Sparkles. .50ct. diamonds Heart Pendant Round Full cut and Brilliant H-color, Si-1
Category

2010s American Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

2.5ctw Blue Topaz Diamond Heart Pendant, 18k White Gold, Necklace Add On
Located in McLeansville, NC
Stones: blue topaz, 1 stone heart cut 7.9 mm approximately 2.3 carat diamonds, 18 stones round
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Blue Topaz, 18k Gold, White Gold

Gorgeous 18k White Gold Heart Halo Necklace 1.18 Ct Natural Diamonds Aig Cert
Located in רמת גן, IL
Beautiful heart-shape pendant with 1.18 carat total weight with Beautiful heart diamond and more
Category

2010s Israeli Drop Necklaces

Materials

Diamond, 18k Gold, White Gold

46 Carat Jacob Co. Diamond Heart
Located in New York, NY
This stunning 46 carat diamond heart shape pendant from the legendary house of Jacob & co. Is set
Category

2010s More Necklaces

Scott Kay Sterling Silver Diamond Yellow Heart Pendant Necklace
By Scott Kay
Located in Southampton, PA
This Scott Kay necklace is made out of sterling silver and diamonds that amount to 0.15 carats. The
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, Diamond, Sterling Silver

NEW 14K White Gold 2.31ctw GIA Heart Pink Sapphire Diamond Halo Pendant Necklace
Located in Montclair, NJ
certified, weighing exactly 2.02 carats. The round brilliant diamonds add 0.29 carats to the total weight
Category

2010s Pendant Necklaces

Materials

Diamond, Pink Sapphire, 14k Gold, White Gold

Tiffany Co. Contemporary Diamond Sterling Silver Heart Key Necklace
By Tiffany Co.
Located in Philadelphia, PA
Necklace designed as cable chain suspending skeleton style key Featuring puffy heart motif head
Category

Late 20th Century Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Silver, Sterling Silver

Scott Kay Sterling Silver Diamond Yellow Heart Pendant Necklace
By Scott Kay
Located in Southampton, PA
This Scott Kay necklace is made out of sterling silver and diamonds that amount to 0.15 carats. The
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, Sterling Silver

14K Yellow Gold Over Silver Diamond Accent Ribbon and Heart Pendant Necklace
Located in New York, NY
Show that someone special how much you love them with this beautiful, gold tone diamond heart
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, Gold Plate, Yellow Gold, Sterling Silver, 14k Gold

18k White Gold Pave 1ctw Diamond Heart Pendant Necklace
Located in Boca Raton, FL
18k White Gold Pave 1ctw Diamond Heart Pendant Necklace  This stunning 1ctw Diamond Heart Necklace
Category

21st Century and Contemporary Unknown Modern Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, White Gold

14Kt Yellow and White Gold Diamond Heart Pendant Necklace
Located in McLeansville, NC
14k yellow and white gold diamond heart necklace. A timeless symbol of love, this necklace is a
Category

1990s Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

Bulgari Pearl Heart Emerald Diamond Gold Necklace 1980s Bvlgari
By Bulgari
Located in Beverly Hills, CA
baguette cut diamonds. Beautiful classy and versatile necklace - the heart pendant is removable, so there
Category

Vintage 1980s Italian More Necklaces

Materials

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

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1 Carat Heart Necklace Diamond For Sale on 1stDibs

You are likely to find exactly the 1 carat heart necklace diamond you’re looking for on 1stDibs, as there is a broad range for sale. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and White Gold. You can easily find a 220 antique edition and 824 modern creations to choose from as well. Finding the perfect 1 carat heart necklace diamond may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 21st Century. As it relates to this specific piece, our collection includes designs that are universally popular, but .5 Carat and 1 Carat carat weights, specifically, are sought with frequency. Finding an appealing 1 carat heart necklace diamond — no matter the origin — is easy, but LB Exclusive, Tiffany Co. and Roman Malakov each produced a popular version that is worth a look. See these pages for a round cut iteration of this accessory, while there are also heart cut cut and princess cut cut versions available here, too. There aren’t many items for men if you’re seeking a 1 carat heart necklace diamond, as most of the options available are for women and unisex.

How Much is a 1 Carat Heart Necklace Diamond?

Prices for a 1 carat heart necklace diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $74 and can go as high as $850,000, while this accessory, on average, fetches $3,043.

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 Pendant-necklaces for You

Whether you’re layering multiple jewelry pieces or opting for a single strand, vintage pendant necklaces are versatile accessories that can elevate your casual wear as easily as they can add a creative flourish to your formal attire.

The earliest jewelry was less about accessorizing than it was about wearers arming themselves with amulets. In Ancient Egypt, some amulets featured a loop so that they could be strung around one’s neck. While rubies have long been one of the few gemstones that can give diamonds a run for their money, members of some ancient civilizations valued the stones from the get-go, donning ruby pendants as well as other stones with the belief that these adornments would bring protection, healing powers or strength. Today, we still wear our charm bracelets and charm pendants around our necks for good luck.

Later, pendant necklaces, like most fine jewelry, were worn strictly by royalty or the upper class and conferred wealth and prestige. This changed over time, thankfully, as wearing jewelry became more widespread, a democratized means of personal expression.

During the 18th and 19th centuries, pendant necklaces evolved from their status as spiritual amulets, but the jewels still carried deep personal significance. Victorian pendants, in particular, were part of the “mourning jewelry” tradition. Wearers would embed their pendants with locks of hair from a deceased loved one as a way of grieving in the wake of a loss. In the case of cameo jewelry, some pendants were even decorated with miniature hand-carved portraits in a detailed raised relief. Today, portraiture is still a characteristic of many of the hand-carved pendant necklaces offered by Italian jewelry house Scala Gioielli.

Luxury fine jewelry brands such as Cartier, BVLGARI and David Yurman offer their own unique interpretations of the cherished accessory, embellishing platinum or gold pendant necklaces with diamonds, sapphires and other stones.

On 1stDibs, find an extraordinary range of vintage pendant necklaces and other necklaces today.

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A Centuries-Old Style, Lockets Have Never Lost Their Romantic Appeal

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This Van Cleef & Arpels Necklace Is an Heirloom in the Making

With more than 100 carats of diamonds, this vintage stunner converts into different styles, making it as versatile as it is breathtaking.

[Survey] Two-Thirds of Jewelry Gift Recipients Don’t Want to Be Surprised

Givers of fine gems enjoy surprise more than receivers, and women more than men. Find out what else our survey of 3,000 Americans revealed.

Next-Level Pearls That Go Well Beyond the Expected

Organic shapes, surprising textures, shimmering colors and inventive embellishments take the new generation of pearl jewelry from classic to cutting-edge.

7 Vibrant Jewels for a Breezy Late-Summer Wardrobe

Soak up the pleasures of the season with a these bold gems.

Whether Worn Alone or Layered, These Chain Link Necklaces Are Trending

Learn more about the stylish links that have passed the test of time.

Meet the Dapper, Mustachioed Parisian Who’s Tops in Crafting Enticing Jewels

After more than a decade creating the iconic Lanvin gems of the Alber Elbaz years, designer Elie Top dove into the world of fine jewelry, mixing silver and gold to create his own striking, timeless look.