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4 Carat Diamond

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Platinum Martini 3 Prongs Natural Diamond Pendant 3/4 Carat
Located in San Francisco, CA
brillante diamond (3/4 ct. tw) Product details: Center Gemstone Type: NATURAL DIAMOND Center Gemstone
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Platinum

GIA Certified 4 Carat Fancy Yellow Cushion Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
The center diamond, known for its pure clarity and vibrant yellow hue, is encircled by a halo of
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

2.03 Carat 4 Prong Round Diamond Basket Setting Stud Earrings
Located in Aventura, FL
2.03 Carat pair of Natural round cut diamonds 4 Prong Basket Setting (UnCertified) are impressive
Category

21st Century and Contemporary American Modernist Stud Earrings

Materials

Diamond

Cartier GIA Certified 4 Carat Pear Shape Diamond Platinum Engagement Ring
By Cartier
Located in Chicago, IL
Cartier GIA Certified 4.07 Carat Pear Shape Diamond Platinum Engagement Ring This exceptional
Category

Early 2000s French Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 4 Carat Emerald Cut Halo Platinum Diamond Dangle Earrings
By Antinori Fine Jewels
Located in Chicago, IL
Dangle Pavé Earrings in 18K White Gold Featuring matched emerald-cut center diamonds of exceptional
Category

2010s Italian Modern Dangle Earrings

Materials

Diamond, White Diamond, Emerald, Platinum

Platinum Gold Four Prongs Natural Diamond Pendant 3/4 Carat
Located in San Francisco, CA
: WHITE Center Gemstone Shape: ROUND Center Diamond Carat Weight: 0.7 Metal: Platinum Setting Type: 4
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Platinum, Gold

18 Karat White Gold Halo Diamond Earrings 3/4 Carat
Located in San Francisco, CA
These sparkling halo earrings feature 0.60-carat diamonds in a four-prong setting, surrounded by a
Category

21st Century and Contemporary American More Earrings

Materials

Diamond, White Gold

Exceptional GIA Certified 4 Carat Fancy Yellow Diamond Ring FLAWLESS Clarity
By Antinori Fine Jewels
Located in Chicago, IL
An exquisite GIA certified 4 carat fancy yellow diamond ring with excellent polish and symmetry and
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Yellow Diamond

GIA Certified 4 Carat Radiant Fancy Yellow Cut Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
An important ring comprising of a radiant diamond weighing 4 carats. The diamond is certified by
Category

2010s Unknown Contemporary Cocktail Rings

Materials

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

GIA Certified 4 Carat Three-Stone Diamond Engagement Ring in Platinum
By Antinori Fine Jewels
Located in Chicago, IL
GIA 4 carat Three-Stone Diamond Engagement Ring in Platinum Discover timeless elegance with this
Category

2010s Italian Engagement Rings

Materials

Diamond, White Diamond, Platinum

14 Karat White Gold Halo Diamond Pendant 3/4 Carat
Located in San Francisco, CA
This delicate pendant features one round shaped diamonds that are approximately 0.54-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, White Gold

18 Karat Rose Gold Halo Diamond Pendant 3/4 Carat
Located in San Francisco, CA
This delicate pendant features one round shaped diamonds that are approximately 0.54-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Rose Gold

14 Karat Yellow Gold Halo Diamond Pendant 3/4 Carat
Located in San Francisco, CA
This delicate pendant features one round shaped diamonds that are approximately 0.54-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Yellow Gold

18 Karat White Gold Halo Diamond Pendant 3/4 Carat
Located in San Francisco, CA
This delicate pendant features one round shaped diamonds that are approximately 0.54-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, White Gold

14 Karat Rose Gold Halo Diamond Pendant 3/4 Carat
Located in San Francisco, CA
This delicate pendant features one round shaped diamonds that are approximately 0.54-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Rose Gold

14 Karat Rose Gold Oval Halo Diamond 3/4 Carat
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.70-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Rose Gold

18 Karat Yellow Gold Halo Diamond Pendant 3/4 Carat
Located in San Francisco, CA
This delicate pendant features one round shaped diamonds that are approximately 0.54-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Yellow Gold

14 Karat White Gold Oval Halo Diamond 3/4 Carat
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.70-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, White Gold

18 Karat Yellow Gold Oval Halo Diamond 3/4 Carat
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.70-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Yellow Gold

14 Karat Yellow Gold Oval Halo Diamond 3/4 Carat
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.70-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Yellow Gold

18 Karat Rose Gold Oval Halo Diamond 3/4 Carat
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.70-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Rose Gold

18 Karat White Gold Oval Halo Diamond 3/4 Carat
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.70-carat total
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, White Gold

14 Karat White Gold Halo Diamond Pendant 3/4 Carat
Located in San Francisco, CA
center diamond. Set in 14k white gold, this 0.73 carat total weight pendant is all glitz! Experience the
Category

21st Century and Contemporary American More Necklaces

Materials

Diamond, White Gold

14 Karat White Gold Diamond Halo Pendant 3/4 Carat
Located in San Francisco, CA
brilliant center diamond. This 0.76 carat total weight pendant is made in 14k white gold and is all
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, White Gold

4 Carat Princess Cut Diamond Paved Gold Bracelet, 4.00 Carat Total Weight Dia
By Five Star Jewelry
Located in Austin, TX
Diamond Paved Bracelet with 4 carat (4.00 ct) total weight of princess cut diamonds The perfect
Category

20th Century American Retro Modern Bracelets

Materials

Diamond, Gold, 14k Gold

GIA Certified 4 Carat Old European Cut Diamond Ring in Platinum
Located in Chicago, IL
This exceptional engagement ring features a GIA certified 4 carat old european cut diamond, set in
Category

2010s Unknown Art Deco Engagement Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified F/E Color 4 Carat Heart Shape Diamond Studs
By Antinori Fine Jewels
Located in Chicago, IL
GIA Certified E/F Color VVS1 and Flawless CLARITY 4 Carat Heart Shape Diamond Studs
Category

2010s Unknown Contemporary Clip-on Earrings

Materials

Diamond, White Diamond, 18k Gold

18 Karat Yellow Gold Love Diamond Necklace 1/4 Carat
Located in San Francisco, CA
This elegant necklace features four(4) evenly spread brilliant diamonds bezel set on a delicate
Category

21st Century and Contemporary American More Necklaces

Materials

Diamond, Yellow Gold

18 Karat White Gold Love Diamond Necklace 1/4 Carat
Located in San Francisco, CA
This elegant necklace features four(4) evenly spread brilliant diamonds bezel set on a delicate
Category

21st Century and Contemporary American More Necklaces

Materials

Diamond, White Gold

18 Karat Rose Gold Love Diamond Necklace 1/4 Carat
Located in San Francisco, CA
This elegant necklace features four(4) evenly spread brilliant diamonds bezel set on a delicate
Category

21st Century and Contemporary American More Necklaces

Materials

Diamond, Rose Gold

14K White Gold 1/4 Carat Round Diamond Teardrop Necklace
Located in New York, NY
diamonds total 1/4 Cttw and are of an approximate G-H Color and SI2-I1 Clarity. The 18" cable chain
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold, White Gold

Vintage 4 Carat Tension Set Colombian Emerald Diamond Chocker Necklace
Located in Miami, FL
: Princess ✔ Quantity: 18 Stone Details (2): ✔ Gemstone: Diamond ✔ Carat: 1.5 CTTW (approx.) ✔ Cut: Round
Category

1990s Colombian Modernist Choker Necklaces

Materials

Diamond, Emerald, 18k Gold

GIA Certified 4 Carat Fancy Yellow Cushion Cut Diamond Studs Set in 18 Carats
By Antinori Fine Jewels
Located in Chicago, IL
GIA Certified 4 Carat Fancy Yellow Cushion Cut Diamond Studs set in 18 Carats
Category

2010s Italian Modern Stud Earrings

Materials

Diamond, Yellow Diamond, 18k Gold, Yellow Gold

Rare Colors 4 Carat Fancy Yellow Radiant Diamond Half Eternity Band
By Rare Colors
Located in New York, NY
fancy yellow diamonds totaling an impressive 4.32 carats. Each stone is expertly hand-selected in VS-VVS
Category

2010s Band Rings

Materials

Diamond, 18k Gold

10K White Gold 3/4 Carat Round Cut Diamond Earrings
Located in New York, NY
ornamented with a flickering round cut diamonds that are arranged in a prong setting. The pair of earrings
Category

21st Century and Contemporary Indian Contemporary Dangle Earrings

Materials

Diamond, White Diamond, White Gold, 10k Gold

Retro Marquise Baguette Diamond Floral Brooch 4 Carats
Located in Montgomery, AL
Diamonds; HI Color; VS Clarity Estimated Combined Diamond Weight: 4 Carats Item: 768TMV8-A2
Category

Vintage 1940s Retro Brooches

Materials

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

20 Carat Three Prong Diamond Tennis Bracelet
By Diamond Scene New York
Located in New York, NY
Impressive diamond tennis bracelet made up of 3/4 of a carat round diamonds. 20.18 carats of
Category

21st Century and Contemporary Tennis Bracelets

Materials

Diamond

LeVian 4 Carat Chocolate Diamond Platinum Two-Tone Ring
By Le Vian
Located in Great Neck, NY
Pear-shaped petals of Vanilla Diamonds border a stunning 4-carat Chocolate Diamond in this Platinum
Category

2010s Fashion Rings

Materials

White Diamond, Brown Diamond, Diamond, 18k Gold, White Gold, Platinum

14 Karat Yellow gold Oval Eternity Diamond Ring 4 Carat
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 20 Oval shape Natural Diamonds in a total weight of
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Yellow Gold

18 Karat White Gold Oval Eternity Diamond Ring 4 Carat
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 20 Oval shape Natural Diamonds in a total weight of
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, White Gold

14 Karat Rose Gold Oval Eternity Diamond Ring 4 Carat
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 20 Oval shape Natural Diamonds in a total weight of
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Rose Gold

18 Karat Yellow Gold Oval Eternity Diamond Ring 4 Carat
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 20 Oval shape Natural Diamonds in a total weight of
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Yellow Gold

18 Karat Rose Gold Oval Eternity Diamond Ring 4 Carat
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 20 Oval shape Natural Diamonds in a total weight of
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Rose Gold

14 Karat White Gold Oval Eternity Diamond Ring 4 Carat
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 20 Oval shape Natural Diamonds in a total weight of
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, White Gold

Three Stone GIA Certified 4 Carat Emerald Cut Trapezoid Diamond Ring
Located in Chicago, IL
A GIA Certified 4 Carat Emerald Cut Diamond Ring with H color and VVS2 clarity is an extraordinary
Category

2010s American Engagement Rings

Materials

Diamond, Emerald, Platinum

4 Carat Natural Purple Sapphire and 1.83 Carat Diamond Convertible Cocktail Ring
Located in Bucharest, Romania
4 carat natural unfired purple sapphire cocktail ring with convertible pendant function, set in
Category

2010s Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Purple Sapphire

14 Karat Yellow Gold Colmar Diamond Ring 1/4 Carat
Located in San Francisco, CA
This curved crown band features 0.27-carat total weight of round brilliant diamonds. It can be
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Yellow Gold

18 Karat White Gold Colmar Diamond Ring 1/4 Carat
Located in San Francisco, CA
This curved crown band features 0.27-carat total weight of round brilliant diamonds. It can be
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, White Gold

14 Karat Rose Gold Colmar Diamond Ring 1/4 Carat
Located in San Francisco, CA
This curved crown band features 0.27-carat total weight of round brilliant diamonds. It can be
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Rose Gold

18 Karat Rose Gold Colmar Diamond Ring 1/4 Carat
Located in San Francisco, CA
This curved crown band features 0.27-carat total weight of round brilliant diamonds. It can be
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Rose Gold

14 Karat White Gold Colmar Diamond Ring 1/4 Carat
Located in San Francisco, CA
This curved crown band features 0.27-carat total weight of round brilliant diamonds. It can be
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, White Gold

18 Karat Yellow Gold Colmar Diamond Ring 1/4 Carat
Located in San Francisco, CA
This curved crown band features 0.27-carat total weight of round brilliant diamonds. It can be
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Yellow Gold

4 Carat Champagne Step Pear Diamond Three Stone Ring
By Rare Colors
Located in New York, NY
This striking three-stone ring centers a 4.02-carat Fancy Brownish Yellow diamond, cut in a rare
Category

2010s American Modern Three-Stone Rings

Materials

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

14K White Gold 3/4 Carat Solitaire Diamond Stud Earrings
Located in New York, NY
feature 0.75 carats of diamonds, and the prong settings are sure to keep your precious diamonds in place
Category

21st Century and Contemporary American Contemporary Stud Earrings

Materials

Diamond, White Diamond, 14k Gold, White Gold

GIA Certified 4 Carat Asscher Cut H VS1 Diamond Platinum Ring
Located in Chicago, IL
A timeless and elegant three-stone engagement ring featuring a stunning 4 carat Asscher cut diamond
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Platinum

18 Karat Yellow Gold Spear Diamond Necklace 1/4 Carat
Located in San Francisco, CA
This elegant necklace features 100 brilliants diamond micro-prong set in 5 spear-shaped pendants
Category

21st Century and Contemporary American More Necklaces

Materials

Diamond, Yellow Gold

18 Karat Rose Gold Spear Diamond Necklace 1/4 Carat
Located in San Francisco, CA
This elegant necklace features 100 brilliants diamond micro-prong set in 5 spear-shaped pendants
Category

21st Century and Contemporary American More Necklaces

Materials

Diamond, Rose Gold

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4 Carat Diamond For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 4 carat diamond for your needs in our varied inventory. 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. Finding the perfect 4 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. 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. A 4 carat diamond from LB Exclusive, Tiffany Co. and Roman Malakov — 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 emerald cut alternatives. When shopping for a 4 carat diamond, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a 4 Carat Diamond?

On average, a 4 carat diamond at 1stDibs sells for $5,003, while they’re typically $1 on the low end and $475,940,000 for the highest priced versions of this item.

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.  

Questions About 4 Carat Diamond
  • 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 ExpertApril 5, 2022
    Whether or not a 4-carat ring is big is largely a matter of personal opinion. However, 4-carat stones usually do have larger dimensions. Diamonds of this size are usually quite expensive due to their size. Shop a large selection of gemstone rings 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 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 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 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
    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
    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
    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 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 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 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 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 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 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 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.
  • 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.