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3 Carat Diamond Platinum Necklace
Located in Miami, FL
Beautiful platinum diamond line necklace featuring 126 round brilliant cut diamonds weighing
Category

21st Century and Contemporary American Link Necklaces

Materials

Diamond, White Diamond, Platinum

35 Carat Oval Brazilian Emerald 3 Carat Diamond Tennis Necklace 14KWG
Located in New York, NY
35 Ct Oval Brazilian Emerald & 3 Ct Diamond Tennis Necklace 14KWG 18" Amazingly beautiful Tennis
Category

2010s Link Necklaces

Materials

Diamond, Emerald, 14k Gold

14K Yellow Gold 3/4 Carat 3 Stone Round Diamond Statement Necklace
Located in New York, NY
" statement necklace. With its natural diamond origin and 13 round diamonds totaling 3/4 cttw, this necklace
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold

10K Yellow Gold 1/3 Carat Diamond Bar Pendant Necklace
Located in New York, NY
to your style. The rope chain features sparkling round brilliant cut diamond bar pendant. Further, it
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 10k Gold, Yellow Gold

Antique Art Deco 3 Carat DTW Diamond and Filigree Necklace
Located in Montgomery, AL
of approximately 3 carats. The intricate platinum setting features fine filigree and precise milgrain
Category

Early 20th Century Art Deco Pendant Necklaces

Materials

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

Timeless 3 carat E-VS2 Pear Shape Diamond Necklace.
Located in Beverly Hills, CA
diamonds and showcased in a classic "must-have" platinum necklace. Master crafted by an extremely skilled
Category

21st Century and Contemporary American Drop Necklaces

Materials

Diamond, Platinum

3/4 Carat 14 Karat White Gold Blue Sapphire Pendant, Diamonds Dragonfly Pendant
By Diamonds Mine
Located in Ramat Gan, IL
Sapphire of 0.70 carat accented by natural round diamonds. The center stone of this beautiful pendant
Category

2010s Art Deco Chain Necklaces

Materials

Gold

3 Carat Tanzanite and 2 Carat Diamond Two Heart Pendant/ Necklace 18 Karat Gold
Located in New York, NY
3 carats of fine quality of Tanzanite pendant surrounded by brilliant round cut Diamonds all
Category

2010s Drop Necklaces

Materials

Diamond, Tanzanite, 18k Gold, White Gold

Alexander 55.75 Carat Diamond 3-Row Necklace 18 Karat White Gold
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
Exquisite grand diamond necklace. By Alexander of Beverly Hills. 238 round brilliant diamonds
Category

21st Century and Contemporary American Contemporary Drop Necklaces

Materials

Diamond, 18k Gold, White Gold

4 Carat Diamond and 3 Carat Ruby Drop Necklace, 18 Karat Gold
By Verma Group
Located in Hicksville, NY
: Carat: 3 Carat Total (various sizes) Cut: Pear Shape Color: Deep Red Necklace Details: Metal type: 18
Category

2010s American Modern Drop Necklaces

Materials

Diamond, Ruby, Gold, 18k Gold

Sterling Silver 1/3 Carat Diamond Awareness Ribbon Halo Heart Pendant Necklace
Located in New York, NY
Celebrate someone you love with this stunning diamond heart pendant necklace. This diamond necklace
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Sterling Silver

14K Yellow Gold 1 1/3 Carat Diamond Double Curved Pendant Necklace
Located in New York, NY
diamond weight of this necklace is 1 1/3 cttw. 'Video Available Upon Request.'
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold

14K White Gold 1/3 Carat Treated Pink Diamond Solitaire Pendant Necklace
Located in New York, NY
. This solitaire diamond necklace features a single, brilliant-cut .30 carat treated pink diamond in a
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, Pink Diamond, 14k Gold, White Gold

IGI Certified 10K White Gold 1/3 Carat Diamond Oval Pendant Necklace
Located in New York, NY
design to last a lifetime. It is crafted in 10 karat white gold and has a total diamond weight of 1/3
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, White Gold, 10k Gold

10K White Gold 1/3 Carat Diamond Modern Bezel-Set Solitaire Pendant Necklace
Located in New York, NY
, masterfully wrought from 10K white gold, and adorned with a 1/3 carat round brilliant-cut diamond. The
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, 10k Gold, White Gold

1/3 Carat Diamond Anchor Pendant
Located in Towson, MD
14kt yellow gold approximately .33 carats H-I/SI2-I1 Diamond Anchor Pendant. The anchor measures
Category

2010s Pendant Necklaces

Materials

Diamond, 14k Gold

18 Karat White Gold Opal and Diamonds Necklace 3 1/2 Carat
Located in San Francisco, CA
This colorful opal and diamonds Necklace features a Oval Shape opal framed by a halo Micro prong
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Opal, White Gold

10K White Gold 1/3 Carat Brilliant-Cut Diamond Modern Solitaire Pendant Necklace
Located in New York, NY
, masterfully wrought from 10K white gold, and adorned with a 1/3 carat round brilliant-cut diamond. The
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

White Diamond, Diamond, 10k Gold, White Gold

Yellow Gold Plated Sterling Silver 3/4 Carat Diamond Solitaire Pendant Necklace
Located in New York, NY
.925 Sterling Silver setting. This round brilliant cut, natural diamond weighs 3/4 Carat Total Weight
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

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

27.42 ct Diamond 3-Prong Tennis Necklace
By Hakimi s Gem
Located in Chicago, IL
craftsmanship. Featuring 89 round-cut white diamonds totaling 27.42 carats, each diamond is meticulously set in
Category

21st Century and Contemporary Modern Link Necklaces

Materials

Diamond, Platinum

AGS Certified 14K White Gold 1/3 Carat Oval Diamond Pendant Necklace
Located in New York, NY
Add a little sparkle to your day with this delicate emerald diamond solitaire pendant. A dazzling 1
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold, White Gold

10K White Gold 1/2 Carat 3 Stone Diamond Drop Twisted Pendant Necklace
Located in New York, NY
Add a touch of elegance to your everyday wear with this beautiful diamond twisted pendant necklace
Category

21st Century and Contemporary Indian Pendant Necklaces

Materials

Diamond, White Diamond, White Gold, 10k Gold

.925 Sterling Silver 1/10 Carat 3-Prong Diamond Open Heart Pendant Necklace
Located in New York, NY
diamonds. Crafted in sterling silver, it has a total diamond weight of 1/20 carats. The diamonds are promo
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Sterling Silver

10K White Gold 1/4 Carat 3-Stone Diamond Drop Twisted Pendant Necklace
Located in New York, NY
Add a touch of elegance to your everyday wear with this beautiful diamond twisted pendant necklace
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, White Gold, 10k Gold

14K White Gold 3/4 Carat Round Diamond Three-Stone Drop Pendant Necklace
Located in New York, NY
diamonds totaling 3/4 cttw and an approximate H-I color and SI1-SI2 clarity. The luster of 14k white gold
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold, White Gold

10k White Gold 1/4 Carat Diamond 3 Stone Heart Shaped Pendant Necklace
Located in New York, NY
pendant necklace will accentuate the neckline in the most romantic manner. Product Features: Diamond
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 10k Gold, White Gold

18K White Gold 3/4 Carat Round Marquise Diamond Double Flower Pendant Necklace
Located in New York, NY
sparkle of white, prong-set diamonds that total 3/4 cttw with an approximate F-G Color and VS2-SI1 Clarity
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 18k Gold, White Gold

Tiffany Co. 3 Carat Diamond Graduated Link Necklace, 18 Karat Gold
By Tiffany Co.
Located in Hicksville, NY
Diamond Details: Cut: Round Brilliant Carat: 3 Carats Color: E-F Clarity: VVS Necklace Details
Category

Vintage 1980s Unknown Retro Link Necklaces

Materials

Diamond, 18k Gold

.925 Sterling Silver 1/3 Carat Diamond Graduated Five Star Necklace
Located in New York, NY
A stunner any way you look at it, this diamond necklace exudes an extravagance with celestial
Category

21st Century and Contemporary Indian Contemporary Multi-Strand Necklaces

Materials

Diamond, White Diamond, Sterling Silver

14K White Gold 1 1/3 Carat Treated Blue Diamond Halo Pendant Necklace
Located in New York, NY
This radiant rectangular pendant is adorned with over a carat of rich blue and white diamonds in
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Blue Diamond, White Gold, 14k Gold

Alexander GIA 18.58 Carat Diamond 3-Prong Tennis Riviera Necklace 18k White Gold
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
Beautiful and classic diamond tennis riviera necklace with two GIA certificates. High jewelry by
Category

21st Century and Contemporary American Contemporary More Necklaces

Materials

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

10K White Gold 3/10 Carat Round-Cut Diamond Modern Solitaire Pendant Necklace
Located in New York, NY
Some things shouldn't be reinvented, which is why we created the solitaire diamond necklace. This
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, White Gold, 10k Gold

10K White Gold 3/10 Carat Round-Cut Diamond Modern Solitaire Pendant Necklace
Located in New York, NY
Some things shouldn't be reinvented, which is why we created the solitaire diamond necklace. This
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 10k Gold, White Gold

Victorian 1.25 Total Carat Old Mine Cut Diamond 3-Stone Necklace
Located in Narberth, PA
! The necklace measures 16" in total length. The diamond pendant measures about 7/8" wide, 3/8" at the
Category

Antique 1880s Victorian Pendant Necklaces

Materials

Diamond, 14k Gold

14.40 Carat Diamond 18 Karat White Gold 3-Row Tennis Necklace
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
Sensational 3 row diamond tennis necklace. High jewelry by Alexander of Beverly Hills. 17 larger
Category

21st Century and Contemporary American Contemporary Multi-Strand Necklaces

Materials

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

14K White Gold 1 3/4 Carat White and Treated Blue Diamond Pendant Necklace
Located in New York, NY
brilliance. The beautiful pendant captivates one carat of shimmering white and blue round cut diamonds that
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

White Diamond, Blue Diamond, White Gold, 14k Gold

Van Cleef Arpels Cheval 3 Row Diamond Necklace
By Van Cleef Arpels
Located in Beverly Hills, CA
Van Cleef and Arpels Cheval 3 Row Diamond Yellow Gold Necklace, Estimated 25 Cts Total Weight of
Category

1990s French Choker Necklaces

Materials

Diamond, 18k Gold

18 Karat Yellow Gold 3-Row Bezel Set Diamond Necklace 9.7 Carat
Located in Washington Depot, CT
Vintage 18K Yellow Gold Bezel Set 3 Row Diamond Necklace This gorgeous 3 row diamond necklace is
Category

Late 20th Century Multi-Strand Necklaces

Materials

Diamond, Yellow Gold

18K White Gold 3/8 Carat Diamond and Blue Sapphire Waterfall Dangle Y Necklace
Located in New York, NY
This diamond and gemstone necklace radiates elegance with sophistication crafted of genuine 18k
Category

21st Century and Contemporary Indian Contemporary Drop Necklaces

Materials

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

Edwardian 3 Total Carat Sapphire and Diamond Double Snake Head Chain Necklace
Located in Narberth, PA
stones of Cambodian, more specifically Pailin, origin. This diamond and sapphire snake necklace would be
Category

Vintage 1910s Unknown Edwardian Chain Necklaces

Materials

Diamond, Sapphire, 18k Gold

14K White Gold 2 1/3 Carat Diamond 7 Stone Floral Cluster 18" Pendant Necklace
Located in New York, NY
Complete your look with this magnificent 2 1/3 c.t. diamond cluster necklace! The pendant features
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold, White Gold

3 Carat Yellow Diamond Heart Bezel Pendant Necklace in 18K Yellow Gold
Located in Los Angeles, CA
Gorgeous 3.00 ct. natural yellow diamond heart shape. Handmade in 18k yellow gold. Length is 18".
Category

21st Century and Contemporary Pendant Necklaces

Materials

Yellow Diamond, Yellow Gold

GIA White Diamond 3 Carat Heart Pendant Necklace in 18K Yellow Gold
Located in Los Angeles, CA
Gorgeous 3.01 ct. I SI1 white diamond heart shape. Handmade in 18k yellow gold. Length of chain
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, Yellow Gold

14K White Gold 1/5 Carat 3-Prong Set Heart Shaped Diamond Pendant Necklace
Located in New York, NY
An elegant heart-shaped diamond is the brilliant focal point of this solitaire necklace for her
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold, White Gold

Tiffany Co. 3-row circular link Choker Necklace with Diamonds
By Tiffany Co.
Located in New York, NY
Tiffany & Co. 18k yellow gold 3-row circular link choker necklace with diamonds. This flexible
Category

21st Century and Contemporary American Artist Choker Necklaces

Materials

Diamond, 18k 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

.925 Sterling Silver 1/3 Ctw Diamond Studded Key 18" Pendant Necklace
Located in New York, NY
studded with 1/3 carat of natural, earth-mined diamonds, this piece glistens with every turn, reflecting
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, Rhodium, Sterling Silver

1970s Diamond 3 carat Leaves Gold Brooch/Pendant
Located in Napoli, NA
1970 It featuring a leaves motif and is set with 3 carat of sparkling round cut Diamonds, graded G
Category

Late 20th Century Italian Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold

Vintage Cartier Platinum 3 Prong Tennis Style Riviere Necklace 14.07 Carat
By Cartier
Located in Tustin, CA
necklace is fashioned from platinum and features a 3-prong design set with 14.07ctw D-F/VVS-VS round
Category

Vintage 1960s French Contemporary Link Necklaces

Materials

White Diamond, Platinum

Sterling Silver 1 3/5 Cttw Treated Black White Treated Diamond Necklace
Located in New York, NY
Encapsulate timeless elegance and modern sophistication with this exquisite pendant necklace
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, Black Diamond, Rhodium, Sterling Silver

.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

14K Yellow Gold 1 3/8 Cttw Champagne Diamond Solitaire Pendant Necklace
Located in New York, NY
showcases the 1 3/8 cttw of the solitaire natural champagne diamond. The warm and inviting hue of the
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

White Diamond, 14k Gold, Yellow Gold

3 1/2 Carat Colombian Emerald and Diamond Pendant
Located in New York, NY
This unusual pendant featuring a 3 1/2 carat Colombian Emerald. Mounted in platinum and 18k Gold
Category

Early 2000s Unknown Pendant Necklaces

Materials

Diamond, Emerald, 18k Gold, Platinum

.925 Sterling Silver 1/3 Ctw Blue Treated Diamond Studded Key Pendant Necklace
Located in New York, NY
Unlock the secret to timeless elegance with this exquisite sterling silver key pendant necklace
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, Blue Diamond, Rhodium, Sterling Silver

.925 Silver 3/8 Cttw Blue Treated Diamond Medallion Toggle Bale Chain Necklace
Located in New York, NY
: Round, Total Carat Weight: 0.022, Treatment: Color treated • Diamond 2 Clarity: SI1-SI2, Color: Blue
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, Blue Diamond, Rhodium, Sterling Silver

GIA Certified 3 Ct Natural Oval Ruby Diamond Pendant Necklace 14K Yellow Gold
Located in New York, NY
GIA Certified 3 Ct Natural Oval Ruby & Diamond Pendant Necklace 14 Karat Yellow Gold This
Category

Early 2000s Pendant Necklaces

Materials

Diamond, Ruby, Yellow Gold, 14k Gold

Sterling Silver 3/8 Cttw Blue Diamond Heart and Woven Halo 18" Pendant Necklace
Located in New York, NY
: Blue, Count: 3, Cut: Good, Origin: Natural, Setting: Prong, Shape: Round, Total Carat Weight: 0.099
Category

21st Century and Contemporary Indian Modern Pendant Necklaces

Materials

Diamond, White Diamond, Blue Diamond, Rhodium, Sterling Silver

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Diamond Necklace 3 Carat For Sale on 1stDibs

Find the exact diamond necklace 3 carat you’re shopping for in the variety available on 1stDibs. Each design created in this style — which was crafted with great care and often made from Gold, 18k Gold and White Gold — can elevate any look. In our selection of items, you can find a vintage example as well as a contemporary version. If you’re looking for a diamond necklace 3 carat from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 18th Century while another version may have been produced 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. There have been many well-made iterations of the classic diamond necklace 3 carat over the years, but those made by LB Exclusive, TJD and Roman Malakov are often thought to be among the most beautiful. See these pages for a round cut iteration of this accessory, while there are also oval cut cut and pear cut cut versions available here, too. Most of our diamond necklace 3 carat for sale are for women, but there are 2923 pieces available to browse for men.

How Much is a Diamond Necklace 3 Carat?

On average, a diamond necklace 3 carat at 1stDibs sells for $4,346, while they’re typically $1 on the low end and $3,600,000 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 Necklaces for You

We are fortunate to know much of the world’s long and dazzling history of necklaces, as this type of jewelry was so treasured that it was frequently buried with its owners. Today, Van Cleef necklaces, Tiffany necklaces and Cartier necklaces are some of the most popularly searched designer necklaces on 1stDibs.

Lapis lazuli beads adorned necklaces unearthed from the royal graves at the ancient Iraqi civilization of Sumer, while the excavation of King Tut’s burial chamber revealed a sense of style that led to a frenzy of Art Deco designs, with artisans of the 1920s seeking to emulate the elegant work crafted by Ancient Egypt’s goldsmiths and jewelry makers. 

In ancient times, pendant necklaces worn by royalty and nobles conferred wealth and prestige. Today, wearing jewelry is about personal expression: Luxury diamond necklaces exude confidence and can symbolize the celebratory nature of a deep romantic relationship, while paper-clip chain-link necklaces designed by the likes of goldsmith Faye Kim are firmly planted in the past as well as the present. Kim works exclusively with eco-friendly gold, and these fashionable, fun accessories owe to the design of 19th-century watch fobs. 

For some, necklaces are thought of as being a solely feminine piece, but this widely loved accessory has been gender-neutral for eons. In fact, just as women rarely took to wearing a single necklace during the Renaissance, men of the era layered chains and valuable pendants atop their bejeweled clothing. In modern times, the free-spirited hippie and counterculture movements of the 1960s saw costume-jewelry designers celebrating self-expression through colorful multistrand necklaces and no shortage of beads, which were worn by anyone and everyone. 

Even after all of these years, the necklace remains an irrefutable staple of any complete outfit. Although new trends in jewelry are constantly emerging, the glamour and beauty of the past continue to inform modern styles and designs. In a way, the cyclical history of the necklace differs little from its familiar looped form: The celebrated French jewelry house Van Cleef Arpels found much inspiration in King Tut, and, now, their Alhambra collection is a go-to for modern royals. Vintage David Webb necklaces — whose work landed him on the cover of Vogue in 1950, two years after opening his Manhattan shop — were likely inspired by the ornamental styles of ancient Greece, Mesopotamia and Egypt

On 1stDibs, browse top designers like Dior, Chanel and Bulgari, or shop by your favorite style, from eye-catching choker necklaces to understated links to pearl necklaces and more. 

Questions About Diamond Necklace 3 Carat
  • 1stDibs ExpertSeptember 28, 2021
    A 3-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 3-carat diamond could cost you between $7,200 to $51,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 3-carat diamond jewelry today.
  • 1stDibs ExpertFebruary 27, 2024
    In terms of dimensions, how large a 3-carat diamond is varies. The shape of the diamond will determine its length and width. Weighing 600 milligrams, diamonds that are 3 carats are generally considered to be large stones. On 1stDibs, shop a large collection of diamond jewelry from some of the world's top dealers.
  • 1stDibs ExpertNovember 6, 2023
    There is no hard-and-fast rule for how many carats a diamond necklace should be. On average, solitaire diamond necklaces range from 0.5 to 1 carat, but you can find pieces with larger and smaller stones. Tennis chains that feature continuous diamonds set into links usually have much higher total carat weights. For example, one might feature 60 individual diamonds, each 0.20 carats in size, for a total carat weight of 12.0 carats. Shop a wide range of diamond necklaces on 1stDibs.
  • 1stDibs ExpertFebruary 13, 2023
    Whether a 3-carat diamond is considered big is largely a matter of personal opinion. The average diamond is 1 to 2 carats in size. On 1stDibs, shop a selection of diamond jewelry.

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