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30 Carat Necklace

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30 Carat Diamond Cluster Necklace
Located in Los Angeles, CA
This one of a kind, priceless diamond cluster necklace featuring round, pear and marquise diamonds
Category

2010s American Modern Necklace Enhancers

Materials

18k Gold, Rose Gold, White Gold, Yellow Gold

30 Carat Riviera Tennis Necklace
By Diamond Scene New York
Located in New York, NY
A fabulous riviera tennis necklace set in 18k white gold. A total of 30.04 carats of white round
Category

21st Century and Contemporary Link Necklaces

Materials

Diamond, 18k Gold

30 Carat Fancy Yellow White Diamond Necklace
By Antinori Fine Jewels
Located in Rome, IT
30 Carat Fancy Yellow White Diamond Necklace
Category

2010s Italian Modern Chain Necklaces

Materials

Diamond, White Diamond, Emerald, 18k Gold

30 Carat Emerald Cut Diamond Riviera Necklace
By Antinori Fine Jewels
Located in Rome, IT
. With a total diamond weight of 30.04 carats, this necklace is a true statement of luxury and refinement
Category

2010s Italian Modern Chain Necklaces

Materials

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

30 Carat Round Diamond Link Drop Necklace
Located in New York, NY
designed pendant elegantly drops from the necklace and is set with more brilliant diamonds. The drop
Category

21st Century and Contemporary American Contemporary Drop Necklaces

Materials

Diamond, 18k Gold, White Gold

30 Carat Diamond Wave Motif Necklace
Located in New York, NY
set with over 30 carats of ideal cut round brilliant diamonds. These high quality diamonds are all
Category

2010s Unknown Choker Necklaces

Materials

Diamond, 18k Gold

30 Carat Natural Untreated Diamond Tennis Necklace 18 Carat White Gold
By Antinori Fine Jewels
Located in Rome, IT
set in a 18 carat white gold riviera or tennis style necklace. The insertion clasp has a double push
Category

2010s Italian Modern Chain Necklaces

Materials

Diamond, White Gold, 14k Gold

.30 Carat Diamond Filigree White Gold Pendant Necklace
Located in Stamford, CT
14k white gold 4 section filigree diamond dangle pendant. Set in 14k white gold with 4 round brilliant cut diamonds. Late Art Deco Circa 1940-1950. 16 inch chain. 4 round brilliant ...
Category

Early 20th Century Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold, Gold

.30 Carat Diamond by the Yard White Gold Necklace
Located in Stamford, CT
Diamond by the yard necklace with six diamond rondelles with a total of .30 carats of diamonds in
Category

21st Century and Contemporary Chain Necklaces

Materials

Diamond, Gold, 14k Gold, White Gold

30 Carat Oval Brazilian Emerald & 3 Carat Diamond Tennis Necklace 14 Karat Gold
Located in New York, NY
Presenting the exquisite 30 Carat Oval Brazilian Emerald & 3 Carat Diamond Tennis Necklace in 14
Category

2010s Link Necklaces

Materials

Diamond, Emerald, 14k Gold

30 Carat Oval Brazilian Emerald & 3 Carat Diamond Tennis Necklace 14 Karat Gold
Located in New York, NY
Presenting the exquisite 30 Carat Oval Brazilian Emerald & 3 Carat Diamond Tennis Necklace in 14
Category

2010s Link Necklaces

Materials

Diamond, Emerald, 14k Gold

.30 Carat Diamond White Gold Diamond by the Yard Necklace
Located in Stamford, CT
Diamond by the yard necklace with six diamond rondels. .30 carat round brilliant cut diamonds in
Category

21st Century and Contemporary Chain Necklaces

Materials

Diamond, Gold, 14k Gold, White Gold

30 Carat Diamond Cluster Necklace, 18K White Gold
Located in Los Angeles, CA
Diamonds not Lab Grown) Diamond Carat: 30 Diamond Clarity: VS Diamond Color: F Color: White Gold Length: 18
Category

2010s American Choker Necklaces

Materials

Diamond, White Gold

30 Carat Diamond Cluster Necklace, 18K Rose Gold
Located in Los Angeles, CA
Diamonds not Lab Grown) Diamond Carat: 30 Diamond Clarity: VS Diamond Color: F Color: Rose Gold Length: 17
Category

2010s American Choker Necklaces

Materials

Diamond, 18k Gold, Rose Gold

30 Carat Diamond Cluster Necklace, 18K Rose Gold
Located in Los Angeles, CA
Diamonds not Lab Grown) Diamond Carat: 30 Diamond Clarity: VS Diamond Color: F Color: Rose Gold Length: 16
Category

2010s American Choker Necklaces

Materials

Diamond, 18k Gold, Rose Gold

30 Carat Diamond Cluster Necklace, 18K Yellow Gold
Located in Los Angeles, CA
Diamonds not Lab Grown) Diamond Carat: 30 Diamond Clarity: VS Diamond Color: F Color: Yellow Gold Length
Category

2010s American Choker Necklaces

Materials

Diamond, Yellow Gold

30 Carat Diamond Cluster Necklace, 18K Yellow Gold
Located in Los Angeles, CA
Diamonds not Lab Grown) Diamond Carat: 30 Diamond Clarity: VS Diamond Color: F Color: Yellow Gold Length
Category

2010s American Choker Necklaces

Materials

Diamond, Yellow Gold

30 Carat Diamond Cluster Necklace, 18K White Gold
Located in Los Angeles, CA
Diamonds not Lab Grown) Diamond Carat: 30 Diamond Clarity: VS Diamond Color: F Color: White Gold Length
Category

2010s American Choker Necklaces

Materials

Diamond, White Gold

30 Carat Diamond Cluster Necklace, 18K Yellow Gold
Located in Los Angeles, CA
Diamonds not Lab Grown) Diamond Carat: 30 Diamond Clarity: VS Diamond Color: F Color: Yellow Gold Length
Category

2010s American Choker Necklaces

Materials

Diamond, Yellow Gold

30 Carat Diamond Cluster Necklace, 18K Yellow Gold
Located in Los Angeles, CA
Diamonds not Lab Grown) Diamond Carat: 30 Diamond Clarity: VS Diamond Color: F Color: Yellow Gold Length
Category

2010s American Choker Necklaces

Materials

Diamond, Yellow Gold

30 Carat Diamond Cluster Necklace, 18K White Gold
Located in Los Angeles, CA
Diamonds not Lab Grown) Diamond Carat: 30 Diamond Clarity: VS Diamond Color: F Color: White Gold Length: 17
Category

2010s American Choker Necklaces

Materials

Diamond, White Gold

30 Carat Diamond Cluster Necklace, 18K Rose Gold
Located in Los Angeles, CA
Diamonds not Lab Grown) Diamond Carat: 30 Diamond Clarity: VS Diamond Color: F Color: Rose Gold Length: 18
Category

2010s American Choker Necklaces

Materials

Diamond, 18k Gold, Rose Gold

30 Carat Diamond Cluster Necklace, 18K White Gold
Located in Los Angeles, CA
Diamonds not Lab Grown) Diamond Carat: 30 Diamond Clarity: VS Diamond Color: F Color: White Gold Length
Category

2010s American Choker Necklaces

Materials

Diamond, White Gold

30 Carat Diamond Cluster Necklace, 18K Rose Gold
Located in Los Angeles, CA
Diamonds not Lab Grown) Diamond Carat: 30 Diamond Clarity: VS Diamond Color: F Color: Rose Gold Length: 15
Category

2010s American Choker Necklaces

Materials

Diamond, 18k Gold, Rose Gold

GIA Certified 30 Carat Diamond Graduated Riviera Necklace
By Issac Nussbaum
Located in New York, NY
with a total carat weight of 30.0 Larger stones are GIA certified. The craftsmanship of this necklace
Category

2010s American Drop Necklaces

Materials

Diamond, 18k Gold

Seidengang .30 Carat Diamond Ruby Yellow Gold Pin Pendant Necklace
By SeidenGang
Located in Stamford, CT
Vintage Byzantine style Seidengang heavy textured 18k gold necklace and pin and pendant necklace
Category

Late 20th Century Pendant Necklaces

Materials

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

.30 Carat Islam Crescent Star Necklace 18 Karat
Located in New York, NY
Islam Crescent Star .30ct. Natural diamonds necklace. Rounds Full cut and Brilliant Center: Fancy
Category

2010s American Pendant Necklaces

Materials

Diamond, Brown Diamond, 18k Gold, Yellow Gold

30 Carat Oval Shape Natural Emerald & 23 Carat Diamond Necklace in 18 Karat Gold
Located in New York, NY
30 Carat Oval Shape Natural Emerald & 23 Carat Diamond Necklace in 18 Karat Gold This spectacular
Category

2010s Drop Necklaces

Materials

Diamond, Emerald, 18k Gold

.30 Carat Diamond Pink Sapphire White Gold Heart Pendant Necklace
Located in Stamford, CT
Petite reversible diamond and pink sapphire open-heart pendant in 14k white gold. Chain, 16.5 inches in length. 12 round brilliant cut diamonds, H-I SI-I approx. .30cts 12 round pi...
Category

21st Century and Contemporary Pendant Necklaces

Materials

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

30 Carat Brilliant and Baguette Diamond Platinum Riviere Necklace
Located in Bay Harbor Islands, FL
Platinum Diamond necklace set with approximately 30 carats of diamonds (16 carats of round diamonds
Category

1990s American More Necklaces

Materials

Diamond, Platinum

Art Deco 30 Carat Amethyst Onyx and Pearl Necklace
Located in Santa Barbara, CA
, rich violet amethyst of an impressive 30 carats. The classic "target design" with intricate calibrè
Category

Vintage 1920s Art Deco Pendant Necklaces

Materials

Amethyst, Onyx, Pearl, 18k Gold, White Gold

3.00 Carat Diamond Necklace G SI 14 Karat White Gold 30 Stones
By David Morris
Located in New York, NY
3.00 Carat Diamond by the Yard Necklace G SI 14K White Gold 18 inches 100% Natural Diamonds
Category

21st Century and Contemporary American Contemporary Chain Necklaces

Materials

Diamond, 14k Gold, White Gold

GIA Certified 30 Carat E-F Color VS Clarity Diamond 18k GoldTennis Necklace
By Antinori Fine Jewels
Located in Rome, IT
Behold an extraordinary piece of magnificence with this GIA certified 30-carat diamond tennis
Category

2010s Italian Contemporary Chain Necklaces

Materials

Diamond, 18k Gold, White Gold

6.00 Carat Diamond by the Yard Necklace 14 Karat White Gold 30 Stations
Located in New York, NY
6.00 Carat Diamond by the Yard Necklace G SI 14K White Gold 20 pointers 60 inches 30 stations 100
Category

21st Century and Contemporary American Contemporary Link Necklaces

Materials

Diamond, 14k Gold, White Gold

Diamond 3-Row Necklace in 18 Carat White Gold and 30 Carat Diamonds
Located in Paris, FR
Diamond 3-row Necklace in 18 Carat white Gold and falling Diamonds crimping 30 Carats of Diamonds
Category

Early 2000s French Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Peter Suchy GIA Certified .30 Carat Emerald Diamond Yellow Gold Pendant
By Peter Suchy
Located in Stamford, CT
Oval bright green emerald and diamond pendant. 18k yellow gold pendant with one center emerald and three round accent diamonds. Handmade in the Peter Suchy workshop. GIA certified na...
Category

21st Century and Contemporary Necklace Enhancers

Materials

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

Diamond Curved V Bar Necklace .30 Carats in 14 Karat Yellow Gold Stationary
By Five Star Jewelry
Located in Austin, TX
Weight: .30 Carats Diamond Clarity: VS2 (Excellent, Eye Clean) Diamond Color: G (Excellent, Near
Category

2010s American Modern Choker Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

1.14 Carat Emerald Diamond Halo Diamond Pendant Necklace
Located in Stamford, CT
Oval Emerald and diamond halo pendant. 1.14 carat oval emerald with round accent diamonds in 14k
Category

21st Century and Contemporary Necklace Enhancers

Materials

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

30 Carats Rubies 18K Gold 0.44 White Diamonds Handcrafted Beaded Necklace
By Rossella Ugolini
Located in Rome, IT
Silhouette Collection 30 Carats Rubies 18K Gold 0.44 White Diamonds Handcrafted Beaded Necklace.
Category

2010s Italian Art Deco Chain Necklaces

Materials

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

Tiffany & Co. Soleste Round .30 Carats Diamonds Halo Platinum Pendant Necklace
By Tiffany & Co.
Located in Scottsdale, AZ
own. Metal: Platinum Natural Diamonds: .30 carats Diamond cut: Round Brilliant Diamond color: G-H
Category

21st Century and Contemporary Unknown Contemporary Pendant Necklaces

Materials

Diamond, Platinum

30" Diamond Station Necklace 12.45 Carats Total Weight in 18k White Gold
Located in La Jolla, CA
30" Long Diamond Station Necklace 12.45 Carats Total Weight in 18k White Gold Long Diamond
Category

21st Century and Contemporary North American Chain Necklaces

Materials

Diamond, 18k Gold, White Gold

30+ Carat White Diamond Necklace and Earrings 18K Set Certified Round-Brilliant
By Gad & Co.
Located in Miami, FL
3.5mm Elevate your elegance with this exquisite 30+ Carat Diamond Necklace/Earrings Set, featuring a
Category

21st Century and Contemporary Contemporary Drop Necklaces

Materials

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

Vintage 30 Carat Amethyst Onyx and Pearl Gold Necklace Estate Fine Jewelry
Located in Montreal, QC
. Centering a 30 Carat Round Amethyst, surrounded by Onyx and Pearls. Approx. dimensions of Pendant: 2.06” l x
Category

Mid-20th Century Modernist Drop Necklaces

Materials

Amethyst, Onyx, Pearl, Gold, 18k Gold, White Gold

30 Carat Oval Cut Ruby & Mixed Cut Diamond Tennis Necklace in Platinum
By Gad & Co.
Located in Miami, FL
Natural Ruby and Diamond tennis necklace, set in platinum 900. Featuring 18.68 carats in oval-cut
Category

2010s North American Art Deco Chain Necklaces

Materials

Diamond, Ruby, Platinum

14 Karat Gold Necklace .30 Carat One Round Topaz 3.31 Grams Chain
Located in Stamford, CT
14 Kt Yellow Gold Necklace Ten Total .30 TDW One Round Precious Topaz 3.31 Grams 18 Inch Chain
Category

2010s Pendant Necklaces

2.90 Carat Diamond by the Yard Necklace G SI 14 Karat White Gold 30 Stations
Located in New York, NY
2.90 Carat Diamond by the Yard Necklace G SI 14K White Gold 10 pointers 60 inches 30 stations 100
Category

21st Century and Contemporary American Contemporary Chain Necklaces

Materials

Diamond, 14k Gold, White Gold

30 Carat Opal Pendant Necklace Red Fire 14 Karat Gold Antique Retro
Located in New York, NY
This is an absolutely spectacular 30 Carat Fire Opal Pendant in a stunning Flame Motif setting in
Category

20th Century Unknown Modernist Pendant Necklaces

Materials

Opal, Gold, Yellow Gold, 14k Gold

Vintage 40 Carat Natural Carved Opal in 14K Gold Floral Pendant Necklace 30"
Located in Miami, FL
Vintage 40 Carat Natural Carved Opal in 14K Yellow Gold Floral Frame Pendant Necklace. The opal is
Category

21st Century and Contemporary Pendant Necklaces

Materials

Opal, Ruby, Gold, 14k Gold, Yellow Gold

30 Carat Diamond Riviera Three Claws 18 Karat White Gold Tennis Line Necklace
By Hasbani Diamonds
Located in London, GB
This stunning and impressive Riviera Necklace features a substantial Diamond weight of 30.00 Carats
Category

21st Century and Contemporary British Contemporary Chain Necklaces

Materials

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

30 Carat Natural Mix Shaped Yellow Diamond Necklace, In 18 Karat Yellow Gold.
Located in New York, NY
Introducing our extraordinary Mix-Shaped Cut Yellow Diamond tennis necklace, showcasing a stunning
Category

2010s American Modern Choker Necklaces

Materials

Yellow Diamond, 18k Gold, Yellow Gold

Diamond Tassel Necklace, 53.94 Carats
Located in New Orleans, LA
This exquisite diamond tassel necklace, with a total carat weight of 53.94, is a masterpiece of
Category

21st Century and Contemporary Modern Drop Necklaces

Materials

Diamond, 18k Gold, White Gold

18K Yellow Gold 5.45 Carat Multi Sapphire and Diamond Necklace
By VR Jewels
Located in Houston, TX
Multi Sapphire Necklace in 18K Gold studded with square cut sapphire pieces and diamonds
Category

21st Century and Contemporary American Modern Necklace Enhancers

Materials

Diamond, Sapphire, Yellow Gold, 18k Gold

.30 Carat White Gold bezel Set Diamond Heart Pendant
Located in Laguna Hills, CA
is .30 carats and the quality is SI clarity and G-H color. The heart measures 3/4 inches in diameter
Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

0.51 Carat Natural Diamond Oval Necklace
Located in New York, NY
100% Natural Diamonds, Not Enhanced in any way Round Cut Diamond Necklace with 18'' chain 0.51CT
Category

21st Century and Contemporary American Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

6.50 Carat Diamond Tennis Necklace in 18 Karat Yellow Gold Bezel Setting
By Simon Ardem
Located in New York, NY
-SI1. Total carat weight = 6.50ct. The length: 17" inches. Total weight: approximately 30 grams. Can be
Category

2010s American Necklace Enhancers

Materials

Diamond, Yellow Gold

5.50 Carat Diamond White Gold Tennis Necklace
Located in Stamford, CT
Classic diamond tennis necklace. 5.50 Carats of sparkly full cut diamonds. This necklace features a
Category

21st Century and Contemporary Link Necklaces

Materials

Diamond, Gold, 14k Gold, White Gold

9.75 Carat Aquamarine Diamond Platinum Pendant Necklace
Located in Stamford, CT
Stunning 1930's Aquamarine and diamond pendant necklace. This spectacular Art Deco filigree pendant
Category

Early 20th Century Pendant Necklaces

Materials

Aquamarine, Diamond, Platinum

12.03 Carat Diamond Bezel Set Platinum Tennis Necklace
Located in Stamford, CT
Diamond bezel set hinged link solid custom made Platinum necklace set with 99 round brilliant cut
Category

21st Century and Contemporary Link Necklaces

Materials

Diamond, Platinum

12.46 Carat Emerald Cut Cluster Diamond Illusion Necklace
Located in Great Neck, NY
Necklace is 30" long - Emerald Cut Cluster is 5 x 3.8 mm.
Category

21st Century and Contemporary Chain Necklaces

Materials

Diamond, 18k Gold, White Gold

0.67 Carat Natural Diamond Pear Shape Necklace
Located in New York, NY
100% Natural Diamonds, Not Enhanced in any way Round Cut Diamond Necklace with 18'' chain 0.67CT
Category

21st Century and Contemporary American Contemporary Link Necklaces

Materials

Diamond, 14k Gold, White Gold

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30 Carat Necklace For Sale on 1stDibs

Find the exact 30 carat necklace you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using Gold, White Gold and 18k Gold. Find an antique version now, or shop for 76 vintage or 182 modern creation for a more contemporary example of these cherished accessories. Finding the perfect 30 carat necklace 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. There have been many well-made iterations of the classic 30 carat necklace over the years, but those made by LB Exclusive, Luigi Ferrara and Tiffany & Co. are often thought to be among the most beautiful. A 30 carat necklace can make for a versatile accessory, but a selection from our variety of 209 Diamond versions can add an especially stylish touch. A round cut version of this piece has appeal, but there are also oval cut and pear cut versions for sale. If you’re browsing our inventory for a 30 carat necklace, 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 30 Carat Necklace?

Prices for a 30 carat necklace can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $208 and can go as high as $567,366, while this accessory, on average, fetches $3,525.
Questions About 30 Carat Necklace
  • 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 ExpertNovember 1, 2023
    How many carats a tennis necklace is depends on the size and number of diamonds that it features. For example, a tennis necklace with 100, 0.1 carat diamonds would have a total weight of 100 carats, while one with 60, 0.2 carat diamonds would be 120 carats in total. Generally, the longer a tennis necklace is and the larger its gemstones are, the higher the total carat weight will be. Shop a range of tennis necklaces on 1stDibs.