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0.74 Carat Blue Sapphire and 0.21 Carat Diamond Pendant in 18k White ref1461
By Diamond Town
Located in New York, NY
This elegant pendant features nine closely set square blue sapphires (total weight 0.74 carats) to
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Stunning Necklace with a dazzling 1-carat square cut natural diamond
Located in רמת גן, IL
A stunning pendant with a dazzling 1-carat square cut natural diamond in H VVS1. The jewelry is
Category

2010s Israeli Pendant Necklaces

Materials

Diamond

LB Exclusive 18K Gold Full Diamond Pave Small Square Cushion Pendant Necklace
By LB Exclusive
Located in Southampton, PA
understated design and gorgeously subtle diamond décor. The necklace is presented by and it features a nifty
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Yellow Gold

Chopard Happy Diamonds Square Yellow Gold Necklace
By Chopard
Located in Feasterville, PA
surrounding the 1 round floating central diamond. Sku: 1727 Necklace Length: 16" Pendant Dimensions: .55
Category

2010s Pendant Necklaces

Materials

Diamond, White Diamond, 18k Gold, Yellow Gold

White Gold Emerald Diamond Pendant Omega Necklace
Located in Palm Desert, CA
18 Karat White Gold Emerald Diamond Pendant, 14 Karat Omega Necklace. The pendant features a step
Category

2010s Italian Contemporary Pendant Necklaces

Materials

Diamond, Emerald, Gold, 14k Gold, White Gold, 18k Gold

LB Exclusive 18 Karat White Gold Full Diamond Pave Small Square Pendant Necklace
By LB Exclusive
Located in Southampton, PA
Add a touch of irresistible diamond brilliance to your look with this gorgeous necklace that
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, 18k Gold, White Gold

1.04CTW Diamond Square Shape Pendant in 14KTRI
Located in Chicago, IL
features 1.04 carats of brilliant diamonds that decorate the nested squares of this elegant pendant. An
Category

2010s American Contemporary Pendant Necklaces

Materials

Citrine, Diamond

DiamondTown 0.70 Carat Ruby Cluster Square and 0.19 Carat Diamond Pendant
Located in New York, NY
This pendant features a ruby cluster square center (nine stones, total weight 0.70 carats
Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, White Gold

18 Karat Gold Diamond Square Cluster Pendant
Located in London, England
A quirky 18k yellow gold and diamond pendant on chain. The central princess cut diamond measures
Category

1990s Unknown Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

White Diamond Pave Heart Pendant Necklace in 14k White Gold
Located in Los Angeles, CA
Gorgeous pendant with 3.00 ct. of good quality white diamond squares and rounds. Handmade in 14k
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, White Gold

Stunning 1.02ct Double Excellent Ideal Cut Diamond Necklace with Pendant
Located in רמת גן, IL
Stunning 1.02ct Double Excellent Ideal Cut Diamond Necklace with Pendant in 18k Yellow Gold - GIA
Category

2010s Israeli Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

14 Karat White Gold Open Square Diamond Necklace
Located in Scottsdale, AZ
Designer: custom design Material: 14K white gold Diamond: 1 round brilliant cut = .07ct Color: H
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

18k White Gold Square Shaped Pendant with Diamonds
By Avanti
Located in Carrollton, TX
This gorgeous simple diamond pendant has a lovely square emerald cut center with baguettes and
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Chopard Diamond Set 18ct White Gold Square Design Happy Diamonds Pendant
By Chopard
Located in Bishop s Stortford, Hertfordshire
Chopard Diamond Set 18ct White Gold Square Design Happy Diamonds Pendant Brand- Chopard Model
Category

Early 2000s Pendant Necklaces

Materials

Diamond, White Gold

14 Karat Yellow Gold Sapphire and Diamond Cross Pendant Necklace #18100
By BJC
Located in Washington Depot, CT
14 Karat Yellow Gold Sapphire and Diamond Cross Pendant Necklace This elegant cross pendant
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, 14k Gold, Yellow Gold

Peter Suchy 3.02 Carat Aqua Diamond White Gold Pendant Necklace
By Peter Suchy
Located in Stamford, CT
Aqua and diamond pendant necklace. 3.02ct bright blue aquamarine with a halo of 26 round diamonds
Category

21st Century and Contemporary Pendant Necklaces

Materials

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

.55 Carat Ruby Diamond Yellow Gold Heart Shape Pendant Necklace
Located in Stamford, CT
Heart shaped 14k yellow gold pendant set with 21 square cut rubies and a halo of full cut diamonds
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Ruby, Gold, 14k Gold, Yellow Gold

Rectangular Invisibly Set Sapphire Pendant Necklace with Diamonds, 18 Karat Gold
Located in New York, NY
A Rectangular Invisibly Set Sapphire Pendant Necklace with Diamonds in 18K Yellow Gold. Total
Category

20th Century Pendant Necklaces

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

Elongated Hexagonal Mystery Set Sapphire and Diamond Pendant Necklace, 18K Gold
Located in New York, NY
An Elongated Hexagonal Mystery Set Sapphire and Diamond Pendant Necklace made in 18K Yellow
Category

20th Century Pendant Necklaces

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

Seidengang Athena 18K Gold .34ct Diamond Rhodolite Garnet Large Pendant Necklace
By SeidenGang
Located in Montclair, NJ
This magnificent statement pendant necklace was designed by Seidengang and crafted from solid 18k
Category

Vintage 1980s Pendant Necklaces

Materials

Diamond, Garnet, 18k Gold, Yellow Gold

5.47 Carats Natural Columbian Emerald Diamonds Art Deco Style Pendant Necklace
By JEWEL HUB
Located in Hong Kong, HK
A very gorgeous and one of a kind, Emerald Art deco style Pendant Necklace set in Platinum 900
Category

21st Century and Contemporary Indian Art Deco Pendant Necklaces

Materials

Diamond, Emerald, Platinum

Hexagonal Invisibly Set Yellow Sapphire Pendant Necklace with Diamonds, 18K Gold
Located in New York, NY
A Hexagonal Shaped Invisibly Set Yellow Sapphire Pendant Necklace with Diamonds in 18K Yellow Gold
Category

20th Century Pendant Necklaces

Materials

Diamond, Yellow Sapphire, 18k Gold, Yellow Gold

Estate Green Tourmaline, Sphene, and Diamond Pendant Necklace in Platinum
Located in Los Angeles, CA
Beautiful necklace showcasing a 8.52 ct. green tourmaline oval and two 7.70 ct. green sphene stones
Category

21st Century and Contemporary Pendant Necklaces

Materials

Tourmaline, Platinum

Vinatge GIA Aquamarine Diamond Yellow Gold Square Pendant Enhancer
Located in Miami, FL
This elegant 1970's aquamarine and diamond pendant is crafted in solid 18-karat yellow gold
Category

Vintage 1960s American Pendant Necklaces

Materials

Aquamarine, Diamond, 18k Gold, Yellow Gold

Mesmerizing 3.49 Carat Square Mixed Cut Topaz Necklace
Located in רמת גן, IL
This enchanting necklace features a breathtaking square mixed-cut topaz as its centerpiece
Category

2010s Israeli Pendant Necklaces

Materials

Topaz, 14k Gold, Yellow Gold

1.22 Carat Diamond 14 Karat Rose Gold Pave Set Diamond Square Necklace
Located in Scottsdale, AZ
Designer: custom design Material: 14k Rose Gold Diamonds: 1.22cttw Color: G Clarity: VS Dimensions
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, Rose Gold

Bliss by Damiani Blue Topaz Diamond Pendant Necklace 18K White Gold 0.88cttw
Located in New York, NY
This gorgeous Bliss by Damiani pendant necklace features a prong set square blue topaz weighing
Category

2010s Italian Modern Pendant Necklaces

Materials

Diamond, Blue Topaz, 18k Gold, White Gold

Contemporary Natural Sapphire and Diamond Bar Pendant Necklace in 14 Karat Gold
Located in Towson, MD
One 14 karat white gold bar pendant necklace set with five (5) square cut natural blue sapphires
Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, Gold, 14k Gold, White Gold

Estate H. Stern Citrine and White Diamond Pendant Necklace in 18K Yellow Gold
By H. Stern
Located in Los Angeles, CA
Beautiful H. Stern necklace with a square cabochon cut citrine and one single white diamond round
Category

21st Century and Contemporary Pendant Necklaces

Materials

Citrine, White Diamond, Yellow Gold

Whiteside Blank Art Deco Diamond Sapphire Pendant Lavaliere 14K Gold Necklace
Located in New York, NY
Indulge in a stunning antique Art Deco - Victorian - Edwardian Sapphire Diamond Lavaliere Pendant
Category

Early 20th Century American Art Deco Pendant Necklaces

Materials

Diamond, Sapphire, Gold, 14k Gold, Yellow Gold

Estate 1.28 TCW Princess Cut Diamond Yellow Gold Square Pendant
Located in New York, NY
Weight: 2.9 Grams Stone: Approx 1.28 TCW (0.08 ct) I/J VS-SI1 Diamonds Measurements: 23 x 14 mm
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Chopard LOVE Happy Diamond Square Pendant 18k White Gold 16.75" Chain
By Chopard
Located in Northbrook, IL
This Chopard 18k white gold pendant necklace is a refined piece of jewelry. It measures 16.75
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Vintage Platinum 0.92ct Round Diamond Solitaire Squared Pendant w/Cable Chain
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Diamond - Round Cut - Prong Set - I Color - SI1 Clarity
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Platinum

Regal 18k Rose Gold Ruby Diamond Art Deco Style Necklace w/ Pendant w/1.47 ct
Located in רמת גן, IL
Regal 18k Rose Gold Ruby and Natural Diamond art deco style Necklace w/ Pendant w/1.47 ct - IGI
Category

2010s Israeli Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, Rose Gold

18 Karat White Gold Fancy Yellow and White Diamond Square Dome Pendant
Located in Scottsdale, AZ
: H Clarity: SI Diamond: 42 fancy yellow = 0.55ct Clarity: SI Dimensions: pendant measures 21.5 X
Category

21st Century and Contemporary Pendant Necklaces

Materials

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

18 Karat White Gold Fancy Yellow and White Diamond Square Dome Pendant
Located in Scottsdale, AZ
: H Clarity: SI Diamond: 42 fancy yellow = 0.55ct Color: H Clarity: SI Dimensions: pendant measures
Category

21st Century and Contemporary Pendant Necklaces

Materials

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

Antique Victorian Locket Square Diamond Vintage 10 Karat Gold Platinum Pendant
Located in Torrance, CA
with 900 platinum accents. One estimated 0.03 carat old mine cut diamond adorns the center
Category

Antique Late 19th Century Unknown Victorian Pendant Necklaces

Materials

Diamond, 10k Gold, Rose Gold, Platinum

Emerald Diamond Platinum Clover Pendant
Located in Beverly Hills, CA
A sweet platinum pendant featuring a gem square-cut emerald weighing 0.50 carats. It has an amazing
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Emerald, Platinum

Invisible Set Diamond Necklace
Located in Dallas, TX
Invisible set diamond pendant with 0.50 carat total weight of diamonds set in 18 karat yellow and
Category

Early 2000s Unknown Modern Pendant Necklaces

Materials

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

2.25 Carat Square-Cut Blue Sapphire Diamond Accents 14K White Gold Pendant
Located in New York, NY
. This Pendant is made up of 2.5 mm Square-cut Blue Sapphire (15 pcs) 2.25 carat and Round-cut White
Category

20th Century Chinese Art Deco Pendant Necklaces

Materials

Diamond, Blue Sapphire, 14k Gold, White Gold

Square-Cut, Round-Cut Blue Sapphire Diamond Accents 14K White Gold Pendant
Located in New York, NY
. This Pendant is made up of Round-cut Blue Sapphire (12 pcs) 0.47 carat, 2.5 mm Square-cut (1 pcs) 0.12
Category

20th Century Chinese Art Deco Pendant Necklaces

Materials

Diamond, Blue Sapphire, 14k Gold, White Gold

14 Karat White Gold Orange to Yellow Sapphire and Diamond Square Necklace
Located in Scottsdale, AZ
Designer: custom Material: 14K white gold Diamond: round brilliant cut = 0.31cttw Color: G Clarity
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Yellow Sapphire, White Gold

10K Rose Gold 1/4 Carat Diamond and Peach Morganite Gemstone Square Pendant
Located in New York, NY
Modern and elegant, this 10k rose gold morganite pendant necklace commands attention. 1/4ct of
Category

21st Century and Contemporary Indian Pendant Necklaces

Materials

Diamond, White Diamond, Morganite, Rose Gold, 10k Gold

Chopard 18K White Gold Square Pendant .45ct Floating Pave Bezel Round Diamonds
By Chopard
Located in Montclair, NJ
--Stone(s):--- (45) Natural Genuine Diamonds - Round Brilliant Cut - All Pave Set & 1 Bezel Set
Category

21st Century and Contemporary Swiss Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Vintage Pure Square Emerald and Diamond Cross Pendant in 18 Kt White Gold
By Lischetti
Located in Roma, IT
Full of thoughtful design, this emerald and diamond cross pendant is a faith-filled symbol
Category

Vintage 1970s Italian Modern Pendant Necklaces

Materials

Diamond, Emerald, White Gold

Vintage Ruby and Diamond Heart Pendant
Located in London, GB
with alternating square-cut red rubies and brilliant-cut white diamonds, creating a captivating
Category

20th Century Pendant Necklaces

Materials

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

Classic Tanzanite Diamond Pendant, 18K White Gold
Located in Canterbury, England
delighted to present the following: This delicate and classic looking tanzanite & diamond pendant sits in
Category

Early 2000s Pendant Necklaces

Materials

Diamond, Tanzanite, White Gold

Captivating 0.70ct Square Emerald Cut Diamond Ring in 18K Yellow Gold
Located in רמת גן, IL
-carat square emerald cut diamond takes center stage, its F color shimmering with near-colorless
Category

2010s Israeli Pendant Necklaces

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

Antique 9.60ct Aquamarine, 0.28ct Diamond and Platinum Pendant
Located in Jesmond, Newcastle Upon Tyne
(Niton XL2 Analyzer) and verified as platinum. This antique aquamarine and diamond pendant is supplied
Category

Vintage 1930s Pendant Necklaces

Materials

Aquamarine, Diamond, Platinum

Vintage Emerald and Diamond Heart Locket Pendant
Located in London, GB
This is a lovely 18ct yellow gold emerald and diamond heart pendant. The pendant features a central
Category

20th Century Pendant Necklaces

Materials

Diamond, Emerald, Gold, White Gold, Yellow Gold

Vintage 2.35 Carat Sapphire and Diamond Platinum Cluster Pendant
Located in Jesmond, Newcastle Upon Tyne
bolt ring fastening. This impressive vintage square cut sapphire pendant with diamonds is supplied
Category

20th Century Unknown Pendant Necklaces

Materials

Diamond, Sapphire, Platinum

.925 Sterling Silver 1/3 cttw Diamond Rhombus Shaped 18" Pendant Necklace
Located in New York, NY
diamond cluster pendant necklace with its elegant shimmer is also dedicated to doing the same by adding
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, Rhodium, Sterling Silver

Art Deco Sapphire and Diamond 17 Charm Pendant
Located in London, GB
cut diamonds. Surrounding the number is a single square-cut blue sapphire at each cardinal point
Category

Vintage 1930s Art Deco Pendant Necklaces

Materials

Diamond, Sapphire, Platinum

Modern 0.70 Carat Crisscut Diamond Platinum Station Necklace
Located in Philadelphia, PA
Classic cable chain necklace centers a rectangular diamond station - fixed in place Featuring a
Category

Early 2000s Contemporary Pendant Necklaces

Materials

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

Mikimoto 18 Karat White Gold Full Diamond Pave and Black Pearl Square Pendant
By Mikimoto
Located in Southampton, PA
exemplary in design and style. Its sparkling pendant's design includes 1.64ct of dazzling diamonds and a
Category

21st Century and Contemporary Pendant Necklaces

Materials

Pearl, White Gold

Sophisticated 1.20ct Double Excellent Ideal Cut Diamond Halo Necklace - GIA
Located in רמת גן, IL
Sophisticated 1.20ct Double Excellent Ideal Cut Diamond Halo Necklace with Pendant in 18k Yellow
Category

2010s Israeli Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Illusion Ruby and Diamond Teardrop Pendant Necklace14k White Gold
Located in Dallas, TX
Illusion Ruby 1.37ct and Diamond Teardrop Pendant Necklace in 14k White Gold. 18" Length 5 Grams
Category

1990s Pendant Necklaces

Materials

Diamond, Ruby, 14k Gold, White Gold

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Square Diamond Pendant Necklace For Sale on 1stDibs

On 1stDibs, you can find the most appropriate square diamond pendant necklace for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and White Gold. Find an antique version now, or shop for 35 vintage or 99 modern creation for a more contemporary example of these cherished accessories. Making the right choice when shopping for a square diamond pendant necklace may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. 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 square diamond pendant necklace from Chopard, La Fleur Jewels and Vitale 1913 — each of whom created a beautiful version of this treasured accessory — is worth considering. See these pages for a square cut iteration of this accessory, while there are also round cut cut and princess cut cut versions available here, too. Most of our square diamond pendant necklace for sale are for women, but there are 56 pieces available to browse for men.

How Much is a Square Diamond Pendant Necklace?

Prices for a square diamond pendant necklace can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $387 and can go as high as $59,164, while this accessory, on average, fetches $2,550.

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

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

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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.