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18 Carat Diamond

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11,432
56,650
25,687
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17,632
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64,046
30,362
852
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29,303
6,820
90,097
22,700
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Stephan Hafner, 18 Carat Diamond and Saphire Flexible Bangle
By Stephan Hafner
Located in New York, NY
Stephan Hafner, 18 Carat Diamond Sapbha Flexible Bangle Total Diamond Count: .07 Carat Diamond
Category

Early 2000s American Modern Bracelets

Materials

Diamond, Sapphire

Cartier 18 Carat Diamond-Set Ring
By Cartier
Located in London, GB
A lovely 18ct yellow and white gold diamond-set signed Cartier ring. The diamond-set centre
Category

1990s Fashion Rings

Materials

Diamond, 18k Gold

1940s 18 Carat Diamond White Gold Filigree Ring
Located in Stamford, CT
1940’s vintage filigree white gold ring set with a brilliant cut center diamond. 1 round
Category

Mid-20th Century More Rings

Materials

Diamond, Gold, 14k Gold, White Gold

Circa 1970s Oscar Heyman 18 Carat Diamond Bracelet
By Oscar Heyman
Located in Miami, FL
platinum in 1975, showcases 18 carats of diamonds, set in a stunning twist design. This spectacular
Category

Vintage 1970s American Modern Modern Bracelets

Materials

Diamond, Platinum

18 Carat Diamond Tennis Necklace in 14K White Gold
Located in NEW YORK, NY
diamonds in this necklace are brilliant round cut and weigh 18 carats total. 16 inches in length.
Category

21st Century and Contemporary American Modern More Necklaces

Materials

Diamond, White Gold, 14k Gold

18 Carat Diamond Tennis Necklace in 14K Yellow Gold
Located in NEW YORK, NY
diamonds in this necklace are brilliant round cut and weigh 18 carats total. 16 inches in length.
Category

21st Century and Contemporary American Modern More Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

43 Carat Cushion-Cut Tanzanite Pendant Necklace with 18 Carat Diamonds, Estate
Located in New York, NY
This extraordinary, 43 carat tanzanite is truly an extraordinary gemstone. There are total of 18
Category

20th Century Drop Necklaces

Materials

Diamond, Tanzanite, 14k Gold

Modern 3, 18 Carats Diamonds 18 Karat Yellow Gold Platinum Daisy Ring
Located in Poitiers, FR
of the main diamond : about 0.81 carat, total weight of other diamonds : about 2.37 carat. Height
Category

21st Century and Contemporary French Modern Cluster Rings

Materials

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

18 Carat Diamond Riviera Three Claws 18 Karat White Gold Tennis Line Necklace
By Antinori Fine Jewels
Located in Rome, IT
This stunning and impressive Riviera Necklace features substantial Diamond weight of 18 Carats in
Category

2010s Italian Modern Link Necklaces

Materials

White Diamond, Diamond, 18k Gold, White Gold

18 Carat Tourmaline Solitaire Ring with Diamond Accents in Rose Gold
Located in Sherman Oaks, CA
Gorgeous Tourmaline ring 18k rose gold Tourmaline approximately: 18 carats Diamond weight
Category

Early 2000s American Modern Solitaire Rings

Materials

Tourmaline, 14k Gold

Diamond Floral Milgrain Stackable Band .18 Carat in 14k White Gold Wedding Band
By Five Star Jewelry
Located in Austin, TX
Quality: 14k White Gold Diamond Carat Weight: .18 Carats Diamond Shape: Round Brilliant cut Diamond
Category

21st Century and Contemporary American Modern Fashion Rings

Materials

Diamond, 14k Gold, White Gold

Diamond Round Brilliant Cut Stud Earrings .18ct 14K Gold 1/5 Carat Mined
Located in Dearborn, MI
Round Brilliant Cut Diamonds 100% Natural Mined Diamonds  .18 Carat Diamond Weight  Classic Diamond
Category

2010s Stud Earrings

Materials

Diamond, 14k Gold, White Gold

Olympus Art Certified, Diamond, White Gold, Sapphire Ring
Located in Istanbul, TR
Olympus Art Certified, White Gold 18 Carat, Diamond 0.90 Carat, Sapphire Burma 6.23 Carat GRS
Category

Early 2000s Turkish Modern Fashion Rings

Materials

Diamond, Sapphire, White Gold

Dinh Van Bracelet Seventies White GoldDiamond
Located in PARIS, FR
carat) diamonds pavé brilliant cut G / VS. for approximately 1.50 carats in total. Height: 18 cm Total
Category

20th Century French More Bracelets

Materials

Diamond, White Gold

Art Deco Diamond Solitaire Engagement Ring .18ct Old Mine 18K Antique Original
Located in Dearborn, MI
Craftsmanship Hand Engraved Filigree 100% Natural Mined Diamond .18 Carat Diamond Weight Solid 18K White
Category

Vintage 1920s Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Celestial Crescent Moon Pendant Necklace, w Diamonds in 14K Yellow Gold
By Five Star Jewelry
Located in Austin, TX
Diamond Total Weight: .18 Carats Diamond Shape: Round Brilliant Diamond Clarity: VS2 (excellent, eye clean
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

Diamond Drop Earrings 4.35 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold drop earrings featuring 170 round brilliants weighing 2.41 carats and 12 round
Category

2010s American Contemporary Drop Earrings

Materials

Diamond, White Gold

Diamond Script LOVE Pendant Necklace 0.16 Carat 18 Karat
By Harbor Diamonds
Located in New York, NY
18K Rose Gold necklace featuring a diamond LOVE weighing 0.16 carats. 2.3 grams Great for layering!
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, Rose Gold

Aquamarine 8.50 Carat Bespoke 18 Karat White Gold 3 Carat Diamond Halo Ring
By Hasbani Diamonds
Located in London, GB
brilliant cut diamonds on each side of the shank, a total diamond weight of 3.00 carat approximately white
Category

2010s British Modern Engagement Rings

Materials

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

Diamond Star Necklace, 14 Karat Yellow Gold Pave Diamond Flexible Star Bar Space
By Five Star Jewelry
Located in Austin, TX
Weight: .18 Carats Diamond Clarity: VS2 (Excellent, Eye Clean) Diamond Color: G (Excellent, Near
Category

2010s American Modern Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

Vivid Diamonds 18 Carat Emerald Earrings
By Vivid Diamonds
Located in Miami, FL
black rhodium, showcasing 280 round cut emeralds, weighing approximately 18 carats. Framed with layers
Category

21st Century and Contemporary Modern Dangle Earrings

Materials

Emerald, 18k Gold

6 Carat Cushion Blue Topaz 18 Karat White Gold 0.38 Carat Diamond Halo Ring
By Hasbani Diamonds
Located in London, GB
a pave set halo and both sides of the shank With a total diamond weight of 0.38 carat white round
Category

2010s British Modern Engagement Rings

Materials

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

18 Karat White Gold Wide 'X' Sapphire Diamond Bracelet 18 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold wide bracelet featuring numerous round brilliants weighing 4 carats and
Category

Vintage 1960s Contemporary Link Bracelets

Materials

Diamond, Sapphire, 18k Gold, White Gold

Fancy Color Diamond Ring 3.86 Carat 18 Karat
By Harbor Diamonds
Located in New York, NY
18K White gold ring featuring Fancy color diamond ring 11 fancy color diamonds weighing 3.40 carats
Category

2010s American Contemporary Fashion Rings

Materials

Diamond

Tahitian Pearl Diamond Ring 0.33 Carats 18 Karat
By Harbor Diamonds
Located in New York, NY
66 round brilliants weighing 0.33 carats.
Category

2010s American Contemporary Fashion Rings

Materials

Diamond, Pearl, White Gold

Amethyst Diamond Rhodonite Pearl Earrings 3.10 Carat 18 Karat
By Harbor Diamonds
Located in New York, NY
18K White Gold drop earrings featuring two pearls measuring 12-13 mm with diamonds, 0.50 carats
Category

2010s American Contemporary Drop Earrings

Materials

Amethyst, Diamond, Pearl, White Gold

Bespoke 3.50 Carat Green Emerald 1.50 Carat Marquise 18 Kt Gold Diamond Earrings
By Hasbani Diamonds
Located in London, GB
expertly contrasted with the pure radiance of 1.50 Carat Marquise White Diamonds. Set in 18 Karat White
Category

2010s British Modern Stud Earrings

Materials

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

South Sea Diamond Drop Earrings, 1.40 Carat 18 Karat
By Harbor Diamonds
Located in New York, NY
South Sea pearl drop earrings featuring 10 pear shape diamonds weighing 1.40 carats, in 18k white
Category

2010s American Contemporary Drop Earrings

Materials

Diamond, White Gold

GIA Certified Diamond Stud Earrings 4.03 Carats G I1 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
Diamond stud earrings weighing 4.03 Carats, Color G Clarity I1, in 14 Karat White Gold 4 prong
Category

2010s Contemporary Stud Earrings

Materials

Diamond, White Gold

1.73 Carat Oval Tanzanite 0.30 Carat White Diamond 18 Karat Gold Engagement Ring
By Hasbani Diamonds
Located in London, GB
a halo design with round brilliant cut diamonds totalling 0.30 Carats White Color G/H Clarity SI
Category

2010s British Modern Engagement Rings

Materials

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

Diamond Spiral Earrings 5.16 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
Eye catching diamond spiral earrings featuring round brilliants weighing 5.16 carats in 18k white
Category

2010s American Contemporary More Earrings

Materials

Diamond, White Gold

Sapphire Diamond South Sea Pearl Drop Earrings 2.16 Carats 18 Carat White Gold
By Harbor Diamonds
Located in New York, NY
18 Karat White gold drop earrings featuring two blue Oval Cut Sapphires weighing 0.92 carats
Category

2010s Contemporary Drop Earrings

Materials

Diamond, South Sea Pearl, Sapphire, White Gold

Diamond Halo Stud Earrings 3.07 Carats H SI3-I1 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
Diamond Stud earrings weighing 3.07 Carats in a 4 prong Champagne Setting, flanked with diamond
Category

2010s Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Diamond Stud Earrings 2.03 Carats G I1 18 Karat White Gold Champagne Setting
By Harbor Diamonds
Located in New York, NY
Diamond stud earrings weighing 2.03 Carats, Color G, Clarity I1, in 18 Karat White Gold 3 prong
Category

2010s Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Diamond Stud Earrings 2.01 Carats H I1 18 Karat White Gold Champagne Setting
By Harbor Diamonds
Located in New York, NY
Diamond stud earrings weighing 2.01 Carats, in 18 Karat White Gold 3 Prong Champagne Setting. Color
Category

2010s Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Diamond Swirl Earrings 3.87 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold earrings featuring 164 round brilliants weighing 3.87 carats. Color G-H Clarity SI
Category

2010s American Contemporary Hoop Earrings

Materials

Diamond, White Gold

Diamond Hoop Earrings 2.95 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold hoop earrings featuring 122 round brilliants weighing 2.95 carats.
Category

2010s American Contemporary Hoop Earrings

Materials

Diamond, White Gold

10 Carat Round Diamond 18 Karat White Gold Graduated Claw Set Tennis Necklace
By Hasbani Diamonds
Located in London, GB
diamond necklace is perfect for every occasion. 17 inches long with a total diamond weight of 10 carats
Category

2010s British Modern Link Necklaces

Materials

Diamond, White Diamond, White Gold, 18k Gold

Diamond Crossover Ring 0.79 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White Gold crossover ring featuring 98 round brilliants weighing 0.79 carats. Available in
Category

2010s American Contemporary Fashion Rings

Materials

Diamond, White Gold

2.44 Carat Black & White Diamond Flower 18 Kt White Gold Pendant Chain Necklace
By Hasbani Diamonds
Located in London, GB
This bespoke fancy floral pendant is encrusted with a total of 2.44 Carat diamonds (1.13 Carat
Category

2010s British Modern Pendant Necklaces

Materials

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

Diamond Tennis Bracelet 16 Carats 18 Karat White Gold Average 0.50 Pointers
By Harbor Diamonds
Located in New York, NY
Diamond Tennis Bracelet featuring: Gold: 18K White Gold Diamond Count: 33 Diamond Weight: 16 Cts
Category

21st Century and Contemporary American Contemporary Tennis Bracelets

Materials

Diamond, 18k Gold, White Gold

Diamond by The Yard 7.29 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18 Karat White gold diamond by the yard featuring 56 diamonds weighing 7.29 carats, average stone
Category

2010s American Contemporary Multi-Strand Necklaces

Materials

Diamond, White Gold

Diamond Stud Earrings 3.14 Carats G-H I1 18 Karat White Gold Champagne Setting
By Harbor Diamonds
Located in New York, NY
Diamond stud earrings weighing 3.14 Carats, Color G-H, Clarity I1, in 18 Karat White Gold 3 prong
Category

2010s Contemporary Stud Earrings

Materials

Diamond, White Gold

Diamond Stud Earrings 7.00 Carats J-K SI1 18 Karat White Gold Martini Setting
By Harbor Diamonds
Located in New York, NY
Diamond stud earrings weighing 7.00 Carats, Color J-K, Clarity SI1, in 18 Karat White Gold 4 prong
Category

2010s Contemporary Stud Earrings

Materials

Diamond, White Gold

Diamond Stud Earrings 4.05 Carats K SI1-SI3 18 Karat White Gold Champagne Set
By Harbor Diamonds
Located in New York, NY
Diamond stud earrings weighing 4.05 Carats, Color K, Clarity SI1-SI3, in 18 Karat White Gold 4
Category

2010s Contemporary Stud Earrings

Materials

Diamond, White Gold

18 Karat Tahitian Pearl Diamond Pendant 0.83 Carats 15 MM
By Harbor Diamonds
Located in New York, NY
18 Karat white gold pendant featuring one grey Tahitian Pearl measuring 15 mm with a diamond cap of
Category

2010s Contemporary Pendant Necklaces

Materials

Diamond, Pearl, White Gold

18 Karat White Gold Drop Dangle Diamond Earrings 3.98 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold drop dangle earrings featuring 72 Round Brilliants weighing 3.98 Carats. Color
Category

2010s Contemporary Dangle Earrings

Materials

Diamond, White Gold

Tri-Color Diamond Floral Ring 0.88 Carat 18 Karat
By Harbor Diamonds
Located in New York, NY
18K Tri-color gold ring featuring 73 round brilliants weighing 0.88 carats. The yellow and rose
Category

2010s American Contemporary Fashion Rings

Materials

Diamond, 14k Gold, Rose Gold, White Gold, Mixed Metal

Bespoke 18 Carat Round Diamond 18 Karat Rose Gold Four Claw Line Tennis Bracelet
By Hasbani Diamonds
Located in London, GB
Carats of White Color H Clarity SI1 Round Brilliant Cut natural diamonds beautifully held in a classic 4
Category

2010s British Modern Tennis Bracelets

Materials

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

0.25 Carat Princess Diamond 18 Karat Gold Solitaire Hasbani Engagement Ring
By Hasbani Diamonds
Located in London, GB
A modern classic engagement ring. Handmade in 18 Karat Gold, with a 0.25 Carat White Diamond. Set
Category

2010s British Modern Engagement Rings

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...

1.00 Carat Princess Diamond 18 Karat Gold Solitaire Hasbani Engagement Ring
By Hasbani Diamonds
Located in London, GB
A modern classic engagement ring. Handmade in 18 Karat Gold, with 1.00 Carat White Diamond. Set in
Category

2010s British Modern Engagement Rings

Materials

Pink Diamond, Black Diamond, Emerald, Garnet, Multi-gemstone, Peridot, R...

1.75 Carat Round Diamond 18 Karat Gold Pave set Drop Chandelier Stud Earrings
By Hasbani Diamonds
Located in London, GB
Bespoke swirly diamond earrings Made by Hasbani Diamonds London, these 18 karat gold drop earrings
Category

2010s British Modern Drop Earrings

Materials

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

0.50 Carat Princess Diamond 18 Karat Gold Solitaire Hasbani Engagement Ring
By Hasbani Diamonds
Located in London, GB
A modern classic engagement ring. Handmade in 18 Karat Gold, with a 0.50 Carat White Diamond. Set
Category

2010s British Modern Engagement Rings

Materials

Topaz, Tourmaline, Amethyst, Aquamarine, Citrine, Diamond, White Diamond...

Diamond Illision Tennis Bracelet 7.66 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold illusion tennis bracelet featuring 135 baguette diamonds weighing 6.09 carats
Category

2010s American Contemporary Tennis Bracelets

Materials

Diamond, White Gold

18 Karat White Gold Tahitian Diamond Drop Earrings 0.61 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat White Gold drop earrings featuring 38 round brilliants weighing 0.61 carats with two
Category

2010s Contemporary Drop Earrings

Materials

Diamond, 18k Gold, White Gold

Diamond Stud Earrings 1.40 Carats I SI3-I1 18 Karat White Gold Champagne Setting
By Harbor Diamonds
Located in New York, NY
Diamond stud earrings weighing 1.40 carats in a three prong champagne setting, 18 karat white gold
Category

2010s Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Diamond Stud Earrings 3.15 Carats G SI2-3 18 Karat White Gold Champagne Setting
By Harbor Diamonds
Located in New York, NY
Diamond stud earrings weighing 3.15 Carats in a 3 prong Champagne setting, 18 Karat White Gold
Category

2010s Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

GIA Certified Diamond Stud Earrings 3.04 Carats H-I I1 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
Diamond stud earrings weighing 3.04 Carats, Color H-I, Clarity I1, in 18 Karat White Gold 3 prong
Category

2010s Contemporary Stud Earrings

Materials

Diamond, White Gold, 18k Gold

0.75 Carat Princess Diamond 18 Karat Gold Solitaire Hasbani Engagement Ring
By Hasbani Diamonds
Located in London, GB
A modern classic engagement ring. Handmade in 18 Karat Gold, with a 0.75 Carat White Diamond. Set
Category

2010s British Modern Engagement Rings

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...

Diamond Stud Earrings 3.41 Carats H-I I1 18 Karat White Gold Champagne Setting
By Harbor Diamonds
Located in New York, NY
Diamond stud earrings weighing 3.41 Carats in a 3 prong Champagne setting, 18 Karat White Gold
Category

2010s Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

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18 Carat Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 18 carat diamond for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and White Gold. Our collection of these items for sale includes 16174 vintage editions and 32669 modern creations to choose from as well. Finding the perfect 18 carat diamond may mean sifting through those created during different time periods — you can find an early version that dates to the 18th Century and a newer variation that were made as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. Finding an appealing 18 carat diamond — no matter the origin — is easy, but Roman Malakov, Meghna Jewels and LB Exclusive each produced a popular version that is worth a look. A round cut version of this piece has appeal, but there are also oval cut and cushion cut versions for sale. If you’re browsing our inventory for a 18 carat diamond, 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 18 Carat Diamond?

Prices for a 18 carat diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $19 and can go as high as $135,979,328, while this accessory, on average, fetches $5,813.
Questions About 18 Carat Diamond
  • 1stDibs ExpertApril 5, 2022
    Yes, there are three-carat diamonds, and you can find them from a number of different jewelers and other retailers. Find an assortment of diamond jewelry from the world’s top sellers on 1stDibs.
  • 1stDibs ExpertMarch 22, 2022
    A 24-carat diamond is a precious diamond gemstone that weighs 24 carats. One carat weighs 200 milligrams, meaning a 24-carat diamond weighs roughly 4.8 grams. That equates to roughly 0.17 ounces. On 1stDibs, shop a variety of diamond jewelry.
  • 1stDibs ExpertFebruary 22, 2021
    The size of a 12 carat diamond is dependent on diamond cut. A 12 carat round diamond is roughly 15 mm in size.
  • 1stDibs ExpertFebruary 22, 2021
    Depending on the quality, age, and designer, a 1-carat diamond can cost between $1,300 and $16,500.
  • 1stDibs ExpertAugust 17, 2021
    A 7-carat diamond can cost anywhere between $12,000 and $185,000 depending on the quality of the stone. The fewer imperfections, the more expensive the diamond. Some 7-carat diamonds can cost more than $400,000.
  • 1stDibs ExpertSeptember 28, 2021
    A 9-carat diamond’s worth varies depending on the 4Cs of diamond quality — color, cut, clarity and carat. On average, a 9-carat diamond could cost you between $19,000 to $1,000,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 9-carat diamond jewelry from different periods and styles to choose from.
  • 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 ExpertApril 5, 2022
    A nine-carat diamond is considered rare and holds a premium price. Because of their rarity and size, nine-carat diamonds are a coveted choice for engagement rings. One of the most famous nine-carat diamond rings belongs to actress Kate Hudson, who has a nine-carat emerald cut diamond complemented with tapered baguettes on a platinum band. Shop a selection of diamond jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 13, 2023
    Yes, a two-carat diamond is generally rarer than a smaller diamond, especially high-quality two-carat diamonds. When larger diamonds are found in nature, they usually have flaws. And prices per carat don’t increase as weight increases. A three-carat gem can be less valuable than a one-carat stone, for example, if all of the other attributes are of lesser quality in the larger diamond. Shop an assortment of diamond jewelry from some of the world’s top jewelers on 1stDibs.
  • 1stDibs ExpertSeptember 28, 2021
    A 4-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 4-carat diamond could cost you between $8,400 to $71,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 4-carat diamond jewelry.
  • 1stDibs ExpertSeptember 28, 2021
    A 5-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 5-carat diamond could cost you between $9,600 to $67,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 5-carat diamond jewelry.
  • 1stDibs ExpertSeptember 28, 2021
    A 6-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 6-carat diamond could cost you between $15,000 to $80,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 6-carat diamond jewelry.
  • 1stDibs ExpertSeptember 28, 2021
    An 8-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On an average an 8-carat diamond could cost you between $17,500 to $90,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 8-carat diamond jewelry from different periods and styles to choose from.
  • 1stDibs ExpertSeptember 28, 2021
    The minimum value of a 25-carat diamond ranges from $300 to $1,400. The prices change subject to the fluctuation of market factors. The value is defined based on the 4Cs — color, clarity, cut and carat weight. Shop antique, vintage and new diamond jewelry on 1stDibs.
  • 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 27, 2024
    Whether a 1.5-carat diamond is too big depends on the type of jewelry in question and your personal preferences. A single stud earring that is 1.5 carats is rather large and would cover the entire earlobe. In terms of rings, a 1.5-carat diamond is larger than average. Find a variety of diamond jewelry 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.
  • 1stDibs ExpertOctober 12, 2021
    A 1-carat yellow diamond can cost anywhere from $6,500 to $8,500 depending on its quality. At roughly $3,500 per carat, a fancy light-yellow diamond is a good buy. The next level up is fancy yellow diamonds, which cost between $4,500 and $5,000 per carat. Shop a range of yellow diamond jewelry on 1stDibs today.
  • 1stDibs ExpertApril 5, 2022
    The term 1-carat diamond earrings means a pair of earrings set with diamond gemstones that have a total weight of 200 milligrams. Depending on the design, each earring may hold one diamond or several smaller gems. You'll find a variety of diamond gemstone earrings on 1stDibs.