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40 Carat Diamond

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Peter Suchy .40 Carat Diamond White Gold Diamond by the Yard Necklace
By Peter Suchy
Located in Stamford, CT
.40 carat diamond by the yard 16 inch necklace in 14k white gold designed and crafted in the Peter
Category

21st Century and Contemporary Chain Necklaces

Materials

Diamond, Gold, 14k Gold, White Gold

Vintage Diamond Band Ring, .40 Carat Diamond Milgrain Wedding Band
By Five Star Jewelry
Located in Austin, TX
Total Diamond Weight: .40 Carats Diamond Shape: Round Brilliant Diamond Clarity: Ring Size: 7 Band
Category

21st Century and Contemporary American Modern Wedding Rings

Materials

Diamond, Gold, 14k Gold, White Gold

40 Carat Diamond Tennis Necklace
By Antinori Fine Jewels
Located in Rome, IT
luxurious 18K white gold. Embrace the allure of 80 round diamonds, totaling an impressive 40.01 carats
Category

2010s Unknown Modern Chain Necklaces

Materials

Diamond, White Diamond, 18k Gold

.40 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Brilliant Carat Weight: .40 carat Color: F Clarity: VS1 Side Stone Details: Shape: Old European
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

.40 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Details: Weight: .40 carat Cut: Old European Brilliant Color: H Clarity: VS Side Diamond Details: Weight
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

.40 Carat Diamond White Gold Pendant
Located in Atlanta, GA
Shape: Round Brilliant Carat Weight: .40 carat Color: G Clarity: VS1 Side Stone Details: Shape: Round
Category

Early 2000s Unknown Contemporary Pendant Necklaces

Materials

White Diamond, 18k Gold, White Gold

Tiffany & Co Elsa Peretti .40 Carat Diamond by the Yard Platinum Bracelet
By Elsa Peretti for Tiffany & Co.
Located in Stamford, CT
, .40 Carat Diamond by the Yard Platinum Bracelet. 5 bezel set round brilliant cut diamonds, G VS approx
Category

21st Century and Contemporary Chain Bracelets

Materials

Diamond, Platinum

GIA Certified .40 Carat Diamond Engagement Ring
Located in Atlanta, GA
Details: GIA REPORT#5202199344 Weight: .40 carat Cut: Old European Color: H Clarity: SI2 Side Diamond
Category

Vintage 1930s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

.40 Carat Diamond Yellow Gold Engagement Ring
Located in Atlanta, GA
: Old European Brilliant Carat Weight: .40 carat Color: H Clarity: VS2 Finger to Top of Stone
Category

Antique 1890s Unknown Victorian Engagement Rings

Materials

White Diamond, 14k Gold, Yellow Gold

18 Karat Horse Pin .40 Carat Diamonds
Located in New York, NY
3D Bronco Brooch Pin .40ct natural diamonds, Rounds, Full Cuts. H-color Vs-2 clarity. 18kt
Category

2010s American Brooches

Materials

Diamond, 18k Gold, Yellow Gold

18 Karat Horse Pin .40 Carat Diamonds
18 Karat Horse Pin .40 Carat Diamonds
Free Shipping
W 1.7 in D 0.27 in L 1 in
.40 Carat Diamond Art Deco Platinum Engagement Ring
Located in Stamford, CT
1940's Art Deco Platinum diamond engagement ring. EGL certified transitional brilliant cut .40
Category

Early 20th Century Engagement Rings

Materials

Diamond, Platinum

.40 Carat Diamond White Gold Dome Band Ring
Located in Stamford, CT
Two row 14k white gold diamond dome band ring. 10 round cut diamonds set in 14k white gold. 10
Category

21st Century and Contemporary Band Rings

Materials

Diamond, Gold, 14k Gold, White Gold

.40 Carat Diamond Ruby Yellow Gold Bangle Bracelet
Located in Stamford, CT
Diamond and ruby 14k yellow gold bangle bracelet. 26 round diamonds with 22 round rubies, channel
Category

21st Century and Contemporary Bangles

Materials

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

.40 Carat Diamond Yellow White Gold Engagement Ring
Located in Stamford, CT
Handmade 1920's Art Deco diamond engagement ring. Open work 14k yellow gold setting with ring with
Category

Early 20th Century Engagement Rings

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

.40 Carat Diamond Tri Color Gold Band Ring
Located in Stamford, CT
Designer ADE diamond ring. The shank of the ring has a unique shape. It is flat on one side and
Category

Late 20th Century Band Rings

Materials

Diamond, Gold, 14k Gold, Rose Gold, White Gold, Yellow Gold

Tiffany & Co. Platinum .40 Carat Diamond Engagement Ring
By Tiffany & Co.
Located in Los Angeles, CA
brilliant diamond, carat total weight .40ct, Color I, Clarity VS1 Hallmark: ©TIFFANY&Co. PT950 20004568
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

Tiffany & Co. Platinum .40 Carat Diamond Engagement Ring
By Tiffany & Co.
Located in Los Angeles, CA
brilliant diamond, carat total weight .40ct, G Color, VVS1 Clarity Hallmark: ©TIFFANY&Co. PT950 60915458
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

Peter Suchy .40 Carat Diamond Platinum Wedding Band Ring
By Peter Suchy
Located in Stamford, CT
Peter Suchy custom-made diamond platinum antique inspired wedding band with alternating double
Category

21st Century and Contemporary Band Rings

Materials

Diamond, Platinum

Peter Suchy .40 Carat Diamond Platinum Dangle Star Earrings
By Peter Suchy
Located in Stamford, CT
diamond, F-G VS approx. .40cts Platinum Stamped: PT950 2.2 grams Top to bottom: 16.9mm or .66 inch Width
Category

21st Century and Contemporary Dangle Earrings

Materials

Diamond, Platinum

.40 Carat Diamond White Gold Triple Dangle Drop Earrings
Located in Stamford, CT
Triple Diamond setting, dangle drop earrings. 42 round brilliant cut diamonds, cluster set in 3
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, White Gold

.40 Carat Diamond Freshwater Pearl White Gold Dangle Earrings
Located in Stamford, CT
Pearl and diamond dangle earrings. 2 freshwater cultured white pearl drops measuring 11.5mm, each
Category

21st Century and Contemporary Dangle Earrings

Materials

Diamond, Pearl, Freshwater Pearl, White Gold, Gold, 14k Gold

EGL Certified .40 Carat Diamond White Gold Engagement Ring
Located in Stamford, CT
1940's Art Deco style diamond engagement ring. 14k white gold, EGL certified center stone with 8
Category

Mid-20th Century Engagement Rings

Materials

Diamond, Gold, 14k Gold, White Gold

Jabel .40 Carats Diamond Yellow White Open Dome Ring
By Jabel
Located in Stamford, CT
1960's Jabel Diamond domed 18k yellow and white gold ring. circa 1960's. 15 round full cut
Category

Mid-20th Century Dome Rings

Materials

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

.40 Carat Diamond Quartz Onyx Yellow Gold Pendant Necklace
Located in Stamford, CT
Onyx, diamond and quartz pendant necklace. Set in 14k yellow gold and sterling silver set with
Category

Late 20th Century Pendant Necklaces

Materials

Onyx, Quartz, Diamond, Gold, 14k Gold, Yellow Gold, Sterling Silver

.40 Carat Diamond and .65 Carat Total Sapphire Ring
Located in Atlanta, GA
Ring Size: 4.25 Metal Type: 14K Yellow Gold [Hallmarked, and Tested] Weight: 2.6 grams Diamond
Category

Antique Early 1900s Unknown Edwardian Cocktail Rings

Tiffany & Co. Platinum .40 Carat Diamond Engagement Ring 4.5
By Tiffany & Co.
Located in Los Angeles, CA
brilliant diamond, carat total weight .40ct, G Color, VS1 Clarity Hallmark: ©TIFFANY&Co. Pt950 69871755
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

Lauren Harper .40 Carat Diamonds, Pink Tourmaline, Gold Earrings
By Lauren Harper
Located in Winnetka, IL
Flirty and fierce all at the same time, these gorgeous Pink Tourmaline and Diamond earrings are set
Category

2010s Unknown Art Deco Drop Earrings

Materials

Diamond, Tourmaline, 18k Gold

.40 Carat Diamond Platinum and Yellow Gold Cocktail Ring
Located in Atlanta, GA
Total Diamond Weight: .80ct Center Diamond Details: Weight: .40ct Cut: Old European brilliant Color: F
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Yellow Gold, Platinum

.40 Carat Diamond Yellow Gold Greek Key Design Unisex Ring
Located in Stamford, CT
Rectangular top signet style Greek key design diamond unisex, 18k yellow gold ring. 24 round
Category

21st Century and Contemporary Signet Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Art Deco 1.15 Carat Pink Sapphire & .40 Carat Diamond Platinum Ring
Located in Scotts Valley, CA
sapphire and diamond platinum ring. This one has so much life in the stone! It glows! Would make lovely
Category

Early 20th Century Art Deco Engagement Rings

Materials

Sapphire, Diamond, Pink Sapphire, Platinum

Victorian 40 Carat Diamond Necklace and Earring Set, circa 1880
Located in London, GB
beautifully set 2.60 carat old cut diamond within a rub over setting. Sat above this stone is a 2.30 carat old
Category

Antique 1880s Unknown Drop Earrings

Materials

Diamond, 18k Gold, Silver

.40 Carat Diamond Gold Shine Pave Box Bracelet 14 Karat
Located in New York, NY
.40ct. Diamonds French pave "Box Set" 8 diamonds in total Full Cuts & rounds G-color, Vs-2
Category

2010s American Tennis Bracelets

Materials

Diamond, 14k Gold, Yellow Gold

EGL Certified .40 Carat Diamond Old European Cut Platinum Engagement Ring
Located in Stamford, CT
1920's Art Deco Diamond Old European Mixed Cut Platinum Engagement Ring set in platinum. EGL
Category

Early 20th Century Engagement Rings

Materials

Diamond, Platinum

EGL Certified .40 Carat Diamond Gold Filigree Art Deco Engagement Ring
Located in Stamford, CT
1930-1940 filigree transitional cut diamond engagement ring. Raised hand carved and filigree in its
Category

Vintage 1930s Bridal Rings

Materials

Diamond, Gold, 18k Gold, White Gold

David Webb Platinum 40 Carat Diamond Feather Set of Two Brooches
By David Webb
Located in New York, NY
40 carats in round and baguette cut H/VS-SI1 diamonds. Each brooch measures 3 5/8" x 1". Brooches
Category

20th Century American Modern Brooches

Materials

Diamond, Platinum

40 Carats Diamonds Cuban Two-Tone Necklace Chain 14 Karats Gold 22''
Located in Great Neck, NY
40 Carats Total Weight Heavy Gold Cuban Necklace Chain 14 Karats Gold 22 inch, 15 mm wide, Average
Category

2010s American Chain Necklaces

Materials

Diamond, White Diamond, Gold, 14k Gold, Rose Gold, White Gold

40 Carats Diamonds Cuban Two-Tone Necklace Chain 14 Karats Gold 22''
Located in Great Neck, NY
40 Carats Total Weight Heavy Gold Cuban Necklace Chain 14 Karats Gold 22 inch, 15 mm wide, Average
Category

2010s American Chain Necklaces

Materials

Diamond, White Diamond, Gold, 14k Gold, Rose Gold, White Gold

.40 Carat Diamond Floret Wedding Anniversary Stacking Band 14 Karat White Gold
Located in Lambertville , NJ
A Unique Diamond Anniversary Ring features Round Brilliant Diamonds of 0.40 Carat total weight set
Category

2010s American Contemporary Band Rings

Materials

Diamond, White Diamond, 14k Gold, White Gold

Joseph Orlando 18 Karat Rose Gold and .40 Carat Diamond Ribbed Cufflinks
By Joseph Orlando
Located in New York, NY
cufflinks measure 1/2" square. Diamonds 0.40 carats Stamped 020 18K Germany
Category

Early 2000s German Modern Cufflinks

Materials

Diamond, Rose Gold

1940s 1, 40 Carat Diamonds Cultured Pearls 18 Karat Rose Gold Ring
Located in Poitiers, FR
center two round cultured pearls, pearly cream orient. Total diamond weight: approximately 1.40 carats
Category

Vintage 1940s French Retro Cocktail Rings

Materials

Diamond, White Diamond, Pearl, Cultured Pearl, Gold, 18k Gold, Platinum,...

Tara T & S .40 Carat Diamond Golden Cultured Pearl Yellow Gold Dangle Earrings
Located in Stamford, CT
with brilliant cut G VS diamond dangles. 2 round golden cultured pearls 10mm high lustre few
Category

21st Century and Contemporary Dangle Earrings

Materials

Diamond, Pearl, Cultured Pearl, Gold, 18k Gold, Yellow Gold

.40 Carat Diamonds Dangle Earrings 14 Karat Two-Toned F/VS Mirror Finish
Located in New York, NY
Dangle Perfection! Two toned. .40ct. diamonds Rounds, full brilliant cuts Bead set, pave. Vs
Category

2010s American Dangle Earrings

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

NWT $366, 747 Rare Fancy 18 Karat Gold Gorgeous 40 Carat Diamond Drop Necklace
Located in New York, NY
Sparkling Magnificent Fancy Diamond Necklace. Necklace contains approx 40CTS of Beautiful Glittering
Category

21st Century and Contemporary Multi-Strand Necklaces

Materials

Diamond, Gold, 18k Gold

Important 40 Carat Aquamarine Ring With Side Diamonds 14K Gold
Located in Carlsbad, CA
Aquamarine = 40 Carat Diamonds = 0.18 Carats ( Color: G, Clarity: SI ) Metal: 14K Gold Ring Size
Category

Late 20th Century Art Deco Cocktail Rings

Materials

Aquamarine, Diamond, White Diamond, Gold, 14k Gold, Yellow Gold

Petite Diamond Baguette Pendant Necklace in Rose Gold
Located in Phoenix, AZ
A simply stunning .40 carat diamond baguette pendant in 14k rose gold. Dimensions are 6.6mm x 3.9mm
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Rose Gold

Green Tourmaline Flower Ring with Diamond
Located in Scottsdale, AZ
and .40 carat diamond center stone. Total weight in grams is 10.85. This ring is a size 6, of course
Category

Vintage 1970s Unknown Cocktail Rings

Materials

Diamond, Tourmaline, 18k Gold

Estate Diamond Band Wide Ring, White Gold, Wedding Band, Four Diamond Ring
Located in Austin, TX
engagement ring. Diamond Number: 4 Total Diamond Weight: .40 Carats Diamond Shape: Round Brilliant Diamond
Category

Vintage 1950s American Retro Wedding Rings

Materials

Diamond, Gold, 14k Gold, White Gold

Custom X-Diamond Ring, 14k Gold Mixed Metal Bead Criss Cross Ring, LR51628M45JJ
By Gabriel & Co.
Located in Austin, TX
Quality: 14k Yellow Gold Diamond Carat Weight: .40 Carats Diamond Shape: Round Diamond Clarity: SI-1
Category

2010s American Modern Band Rings

Materials

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

Diamond Earring Jackets, Triple Style w Diamonds or Without Drop Earrings
By Five Star Jewelry
Located in Austin, TX
Diamond Total Weight: .40 Carats (Diamond Stud earrings not included)
Category

2010s American Contemporary Dangle Earrings

Materials

Diamond, 14k Gold, Yellow Gold

Carved Agate Cameo Horse Diamond Ring
By Meghna Jewels
Located in Hoffman Estate, IL
A stunning Cameo ring cast in 18-karat gold & illuminated with .40 carats diamonds. The ring is a
Category

21st Century and Contemporary Unknown Contemporary Cocktail Rings

Materials

Agate, Diamond, 18k Gold

Slice Diamond 18 Karat Gold Ring
By Meghna Jewels
Located in Hoffman Estate, IL
This ring is meticulously crafted from 18-karat yellow gold. It is hand set in .40 carats diamonds
Category

21st Century and Contemporary Unknown Contemporary Engagement Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Interesting Emerald Diamond Stackable Band 14K Gold Pear Shape Emerald .50 CT
By Five Star Jewelry
Located in Austin, TX
Emerald Weight: .40 carats Diamond Count: 8 Diamond Weight: .10 carats Diamond Clarity: VS-2 to VS-1
Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, Emerald, 14k Gold, Yellow Gold

Diamond Channel Band, Brushed White Gold, Round Diamond, Stackable, Wedding Ring
By Five Star Jewelry
Located in Austin, TX
Weight: .40 Carats Diamond Shape: Round Brilliant Diamond Clarity: VS2 (Excellent) Diamond Color: G
Category

21st Century and Contemporary American Modern Wedding Rings

Materials

Diamond, Gold, 14k Gold, White Gold

Golden South Sea Pearl Diamond Drop Earrings .40 Carat 18 Karat Yellow Gold
By Harbor Diamonds
Located in New York, NY
diamonds weighing .40 carats total weight. Color G-H Clarity SI
Category

2010s American Contemporary Drop Earrings

Materials

Diamond, South Sea Pearl, Gold

Pearl Diamond Ring w Bypass Assymetrical Design Open Wrap Ring, 14K Yellow Gold
By Five Star Jewelry
Located in Austin, TX
Diamond Total Weight: .40 Carats Diamond Shape: Round Brilliant Diamond Clarity: VS2 (excellent, eye clean
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, Cultured Pearl, Pearl, 14k Gold, Yellow Gold

Boxed Late 19th C Diamond Crescent Pendant Brooch
Located in Hummelstown, PA
clarity with Jcolor. One .20 ct diamond has O color with I1 clarity. One .40 carat diamond is K color with
Category

Antique 1880s Scottish Brooches

Materials

Diamond, 18k Gold, Silver

Diamond Stud Earrings .40ct White Gold F-H Cluster
Located in Dearborn, MI
Brilliant Cut Diamonds Trademarked 100% Natural Mined Diamonds  .40 Carat Diamond Weight  Solid 10K
Category

2010s Stud Earrings

Materials

Diamond, 10k Gold, 14k Gold, White Gold

Diamond Anniversary Band Wedding Ring .40ct Marquise 14K White Gold Brand New
Located in Dearborn, MI
Diamonds .40 Carat Diamond Weight Great Band to Stack Matches Any Engagement Ring  Perfect for a
Category

2010s Band Rings

Materials

Diamond, 14k Gold, White Gold

Diamond Ring .40 Carats Silver
Located in Carlsbad, CA
Diamonds = 0.40 carats ( Color: G, Clarity: SI ) Sterling Silver Ring Size 6 1/4 Jewelry Gift Box
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, White Diamond, Silver, Sterling Silver

Vivid Diamonds 31.9 Carat Emerald Cut Diamond Bracelet
By Vivid Diamonds
Located in Miami, FL
40 spectacular GIA Certified emerald cut diamonds weighing 31.9 carats total, D-H color, IF-VS2
Category

21st Century and Contemporary American Modern Tennis Bracelets

Materials

Diamond, Platinum

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40 Carat Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 40 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. Find an antique version now, or shop for 650 vintage or 1022 modern creation for a more contemporary example of these cherished accessories. Making the right choice when shopping for a 40 carat diamond may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 18th 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 40 carat diamond from Luigi Ferrara, LB Exclusive and Tiffany & Co. — each of whom created a beautiful version of this treasured accessory — is worth considering. Today, if you’re looking for a round cut version of this piece and are unable to find the perfect match, our selection also includes oval cut and old european cut alternatives. Most of our 40 carat diamond for sale are for women, but there are 516 pieces available to browse for men.

How Much is a 40 Carat Diamond?

On average, a 40 carat diamond at 1stDibs sells for $3,800, while they’re typically $235 on the low end and $2,500,000 for the highest priced versions of this item.
Questions About 40 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 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 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 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 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 ExpertNovember 2, 2023
    There is no rule for how many carats a diamond wedding ring should be. You're free to choose a ring with a carat weight that appeals to you and fits your budget. The average carat weight for diamond wedding rings is 1 to 1.9 carats. Shop an assortment of diamond wedding rings on 1stDibs.
  • 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 ExpertAugust 24, 2021
    A 2 carat oval diamond is approximately 10.23mm × 6.82mm × 4.16mm in size. These diamonds usually have an approximate face-up area of 57.21 mm². Find a variety of diamonds on 1stDibs.