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25 Carat Diamond

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.25 Carat Diamond Platinum 1940's Band Ring
Located in Stamford, CT
Vintage 1940's pieced scroll design .25 carat diamond platinum band ring. 22 round brilliant cut
Category

Mid-20th Century Band Rings

Materials

Diamond, Platinum

Diamond Heart Necklace, .25 Carat Diamond Open Heart Pendant Necklace
By Five Star Jewelry
Located in Austin, TX
This delicate open heart pendant has .25 carat total weight diamonds. It has 25 diamonds that are
Category

2010s American Modern Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

.25 Carat Diamond Platinum Hair Clip
Located in Atlanta, GA
Metal: Platinum Weight: 23.7 grams Center Diamond: Shape: Old European Cut Carat: .25 Carat
Category

Vintage 1920s Unknown Art Deco More Jewelry

Materials

White Diamond, Platinum

.25 Carat Diamond White Gold Ring
Located in Bay Harbor Islands, FL
.25 Carat total weight diamond 18 Karat White Gold ring with 19 round cut diamonds. Metal Type: 18
Category

21st Century and Contemporary Unknown Band Rings

Materials

Diamond, 18k Gold, White Gold

.25 Carat Diamond Platinum Engagement Ring
Located in Atlanta, GA
Details: Weight: .25 carat Cut: Old European Brilliant Color: G Clarity: VS2 Finger to Top of Stone
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

White Diamond, Platinum

.25 Carat Diamond Platinum Basket Dangle Earrings
Located in Stamford, CT
Vintage 1900's handmade basket dangle earrings set with 62 rose cut diamonds on simple wire hooks
Category

Early 20th Century Dangle Earrings

Materials

Diamond, Platinum

.25 Carat Diamond Open Work Dangle Earrings
Located in Stamford, CT
Open work diamond post clip dangle earrings. Set in 14 white gold with 62 round full cut diamonds
Category

21st Century and Contemporary Dangle Earrings

Materials

Diamond, Gold, 14k Gold, White Gold

.25 Carat Diamond Yellow Gold Engagement Ring
Located in Stamford, CT
Diamond engagement ring. Oval rose cut bezel set diamond in a 20/22k yellow gold setting. 1 oval
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Gold, 22k Gold, Yellow Gold

1930s Important 25 Carat Diamond Platinum Bracelet
Located in New York, NY
cut diamonds - approximately 25 carats total, all stones range VS1-SI1, GH color. Bracelet id 6.5
Category

20th Century British More Bracelets

Materials

Diamond, Platinum

.25 Carat Diamond White Gold Engagement Ring
Located in Atlanta, GA
Details: Shape: Old European Carat Weight: .25 carat Color: F Clarity: VS1 Finger to Top of Stone
Category

Vintage 1920s Unknown Edwardian Engagement Rings

Materials

White Diamond, 18k Gold, White Gold

.25 Carat Diamond and 1 Carat Sapphire Earrings
Located in Atlanta, GA
grams Diamond Details: Cut: Round and Baguettes Carat: .25 carat total weight Color: H-I Clarity: VS
Category

Vintage 1970s Unknown Retro Clip-on Earrings

Materials

Diamond, Sapphire, 14k Gold

.25 Carat Diamond White Gold Flower Cluster Earrings
Located in Stamford, CT
Diamond cluster stud earrings. 14 round brilliant cut diamonds in 14k white gold flower settings
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, Gold, 14k Gold, White Gold

.25 Carat Diamond Heart Yellow Gold Stretch Bracelet
Located in Stamford, CT
Expandable diamond bracelet. 3 bezel set diamond cluster hearts. 18k gold yellow gold stretch bead
Category

21st Century and Contemporary Modern Bracelets

Materials

Diamond, Gold, 18k Gold, Yellow Gold

.25 Carat Diamond Gold Open Work Drop Earrings
Located in Stamford, CT
1940's Open work detailed drop diamond earrings. 52 round cut diamonds set in a 14k white gold
Category

Vintage 1940s Drop Earrings

Materials

Diamond, Gold, 14k Gold, White Gold

.25 Carat Diamond White Gold Cross Pendant Necklace
Located in Stamford, CT
Vintage 1925-1930 18k white gold cross with excellent detailing, 17 rose cut diamonds and one
Category

Early 20th Century Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, White Gold

.25 Carat Diamond Yellow Gold Spray Cocktail Ring
Located in Stamford, CT
Vintage 1980's spray design diamond cocktail ring. 42 round brilliant cut diamonds set in a 14k
Category

Late 20th Century Cocktail Rings

Materials

Diamond, Gold, 14k Gold, Yellow Gold

Maharaja 25 Carat Diamond Silver Gold Bangle Bracelet
By Mehnaz Durrani
Located in Richmond, BC
piece ! Diamond: 25 carats, fancy cut, tabular cut Color: F - G Clarity: SI1-SI2 Dimension: 6cm inside
Category

21st Century and Contemporary Canadian Contemporary Bangles

Materials

Diamond, Gold, Gold Plate, Silver

.25 Carat Diamond, Ruby and Emerald Cocktail Ring
Located in Atlanta, GA
(resizable) Features: .25 Carat Total Weight Accent Diamonds, Round Cut, Symmetrically placed .20 Carat
Category

Vintage 1970s Unknown Retro Cocktail Rings

Materials

Diamond, Emerald, Ruby, 18k Gold, Silver

Spectra Fine Jewelry, 25 Carat Diamond Link Bracelet
By Spectra Fine Jewelry
Located in New York, NY
diamonds weighing 4.36 carats. 1484 round diamonds weighing 15.77 carats. 201 tapered baguette diamonds
Category

21st Century and Contemporary American Link Bracelets

Materials

Diamond, 18k Gold, White Gold

Celtic .25 Carat Diamond 14k White Gold Dangle Earrings
Located in Laguna Hills, CA
diamond. The diamond weight is .25 carat total, and the quality of SI1 is G-H's color. The earring
Category

21st Century and Contemporary Northern Irish Modern Drop Earrings

Materials

Diamond, 14k Gold, White Gold

.25 Carat Diamond Yellow Gold Art Nouveau Engagement Ring
Located in Stamford, CT
Handmade original Art Nouveau .25 carat rose cut diamond in a pierced and carved 18k yellow gold
Category

Antique Late 19th Century Engagement Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

CHE 25 Carat Diamond Tennis Necklace in 14k White Gold 4 prong set BY MIKE NEKTA
Located in New York, NY
Weight of Diamonds: 25 Carats Diamond Shape: Round Brilliant Diamond Color: F-G Diamond Clarity: SI1- SI2
Category

2010s American More Necklaces

Materials

Diamond, 14k Gold, White Gold

.25 Carat Diamond Yellow Gold Georgian Cluster Engagement Ring
Located in Stamford, CT
1840's Georgian cluster diamond engagement ring. 9 old mind diamonds set in a 14k yellow gold
Category

Antique Mid-19th Century Cluster Rings

Materials

Diamond, Gold, 14k Gold, Yellow Gold

.25 Carat Diamond Sapphire White Gold Dome Engagement Ring
Located in Stamford, CT
Vintage 1930's diamond and sapphire filigree engagement ring. Dome style with a old euro center
Category

Early 20th Century Engagement Rings

Materials

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

Peter Suchy .25 Carat Diamond Platinum Eternity Wedding Band Ring
By Peter Suchy
Located in Stamford, CT
Alternative eternity diamond wedding band ring. 5 round brilliant cut diamonds set in a solid
Category

21st Century and Contemporary Wedding Rings

Materials

Diamond, Platinum

Organic Rainbow Moonstone Ring and .25 Carat Diamond Halo Ring
By Five Star Jewelry
Located in Austin, TX
Genuine 4.75 carat Rainbow Moonstone and Brilliant Diamond Ring with all the iridescence and
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, Moonstone, Rainbow Moonstone, 14k Gold, Yellow Gold

Art Deco Platinum 8 Carat Sapphire 25 Carat Diamond Bracelet
Located in New York, NY
: Excellent Gemstone: Sapphire, Diamond Sapphire Weight: 8 CT Diamond Weight: 25 CT Total Item Weight: 63
Category

20th Century Art Deco More Bracelets

Estate 14K White Gold .25 Carat Diamond Heart Pendant Necklace
Located in Webster, SD
/8ths of an inch, not including the bail. It features .25 ctw in 22 round cut, natural diamonds. These
Category

21st Century and Contemporary Unknown Modern Pendant Necklaces

Materials

Diamond, White Gold

David Webb 1960's Impressive 25 Carat Diamond Cluster Brooch
By David Webb
Located in New York, NY
This is an impressive David Webb cluster diamond brooch crafted in 1960's set in platinum. All
Category

20th Century American Modern Brooches

Materials

Diamond, Platinum

David Webb Platinum & 18K Yellow Gold 25 carat Diamond Collar Necklace
By David Webb
Located in New York, NY
carat weight of 25.00cttw. The necklace features three diamond panels, at the center each highlighting
Category

20th Century American Modern Choker Necklaces

Materials

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

18 Karat Gold 8.00 Carat Tsavorite and .25 Carat Diamond Leaf Brooch
By Cellini
Located in New York, NY
measures 3.50" x .50". 147 Tsavorites = 8.00 carats 25 Diamonds = 0.25 carats Stamped CELLINI 750
Category

Early 2000s German Modern Brooches

Materials

Diamond, Tsavorite, 18k Gold, White Gold

10K Two-Tone Gold 1/25 Carat Diamond Accent Cross Pendant Necklace
Located in New York, NY
With a swirl of sparkling diamonds at the center, this graceful yellow gold cross pendant is a
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Gold, 10k Gold, White Gold, Yellow Gold

Rose Gold Plated Sterling Silver 1/25 Carat Diamond Accent Dangle Earrings
Located in New York, NY
encrusted with shimmering round cut diamonds. All the diamonds are arranged in a prong setting to add extra
Category

21st Century and Contemporary Indian Contemporary Dangle Earrings

Materials

Diamond, White Diamond, 10k Gold, Gold Plate, Rose Gold, Sterling Silver

18 Karat Yellow Gold Ring with Green Tourmaline and .25 Carat Diamonds
Located in New York, NY
Cabochon oval green tourmaline center stone with diamond accents set in 18 kt yellow gold. Diamond
Category

1990s Retro Solitaire Rings

Materials

Diamond, Tourmaline, Yellow Gold

Retro Gold Kangaroo Pendant Natural 25 Carat Diamond and Amethyst, circa 1960
Located in Los Angeles, CA
Retro 14k Yellow Gold Kangaroo Pendant set with Natural 0.12 carat pear shaped diamond (4x3.5mm
Category

Vintage 1960s Unknown Retro Pendant Necklaces

Materials

Amethyst, Diamond, Gold, 14k Gold

An Art Deco Diamond Bracelet Set Throughout With 25 Carats Diamonds. Circa 1930s
Located in London, GB
An Art Deco diamond bracelet. Set throughout with brilliant and circular-cut diamonds. The largest
Category

Vintage 1930s French Link Bracelets

Materials

Diamond

25 Carat Diamond Round-Brilliant Cut Necklace in 18K White Gold GIA Certified
By Gad & Co.
Located in Miami, FL
Diamonds - Carat Sizes: Ranging from 1.17 Carats to 0.30 Carats - Total Weight: 21.64 Carats - Cut: Round
Category

21st Century and Contemporary Contemporary Drop Necklaces

Materials

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

18 Karat .25 Carat Diamonds Matrix Quartz Rough Slice Leaf Earrings Omega 3D
Located in New York, NY
Natural Matrix Raw Sliced quartz & Diamond Leaf Earrings. Diamonds Total Weight: .25ct. Rounds
Category

21st Century and Contemporary American Clip-on Earrings

Materials

Diamond, 18k Gold, Yellow Gold

2 Micron 14K Rose Gold Plated Sterling Silver 1/25 Carat Diamond Stud Earrings
Located in New York, NY
shape, the pair of earrings is lavishly enriched with pave set round cut diamonds. Defining true
Category

21st Century and Contemporary Indian Contemporary Stud Earrings

Materials

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

Black Onyx and Diamond Halo Men's Band 14K Yellow Gold .25 Carat Diamond Ring
By Five Star Jewelry
Located in Austin, TX
great gift to yourself! Metal Quality: 14K Yellow Gold Diamonds: Round Brilliant Diamond Weight: .25
Category

21st Century and Contemporary Unknown Modern Signet Rings

Materials

Diamond, Onyx, 14k Gold, Yellow Gold

25 Carat Riviera Tennis Necklace Excellent Cut
By Antinori Fine Jewels
Located in Rome, IT
A 25 carat diamond in platinum Riviera necklace comprised of articulating links four-prong set with
Category

2010s Italian Modern Choker Necklaces

Materials

Diamond, White Diamond, 18k Gold

Lovely Pearl and Diamond Earrings
Located in New York, NY
fittings and large 10mm creamy white cultured pearls and .25 carat diamonds under each pearl. .50 carat
Category

Vintage 1950s American Brooches

Materials

Diamond, Pearl, 14k Gold

Lovely Pearl and Diamond Earrings
Lovely Pearl and Diamond Earrings
Free Shipping
H 0.06 in W 0.04 in
14k Yellow Gold Diamond Rainbow Ring
By Mordekai
Located in Miami Beach, FL
sparkling .25 carat diamonds. This piece will light up your hand and provide beauty and good luck. Rainbows
Category

2010s American Modern Band Rings

Materials

Diamond, 14k Gold, Yellow Gold

Mens Diamond Ring 14K Gold Geometric Vintage
By Estate Jewelry
Located in East Brunswick, NJ
diamond in the center. The bezel set .25 carat diamond is estimated to be SI2 clarity and H color. The top
Category

20th Century Band Rings

Materials

Diamond, 14k Gold, Yellow Gold

Diamond .25ct Huggie Hoop Single Earring 14K Yellow Gold French Back
Located in Dearborn, MI
100% Natural Diamonds .25 Carat Diamond Weight Solid 14K Yellow Gold Simple Yet Elegant Perfect
Category

2010s Drop Earrings

Materials

Diamond, 14k Gold, Yellow Gold

Anniversary Ring Natural Fancy Vivid Deep Yellow Diamond Band .25ct 14K
Located in Dearborn, MI
  100% Natural Diamonds .25 Carat Diamond Weight Brand New ***313***846***3700 Customer Care Your
Category

2010s Wedding Rings

Materials

Yellow Diamond, 14k Gold, White Gold

Piaget White Gold Half Hoop Earrings with Diamonds
By Piaget
Located in Darnestown, MD
Piaget white gold 18 karat half hoop earrings with a .25 carat diamond in the middle of each. The
Category

1990s Contemporary Hoop Earrings

Materials

Diamond, 18k Gold, White Gold

14K Rose Gold Diamond Rainbow Ring, Size 4
Located in Miami Beach, FL
sparkling .25 carat diamonds. This piece will light up your hand and provide beauty and good luck. Rainbows
Category

21st Century and Contemporary American More Rings

Materials

Rose Gold

14K White Gold Diamond Rainbow Ring, Size 4
Located in Miami Beach, FL
sparkling .25 carat diamonds. This piece will light up your hand and provide beauty and good luck. Rainbows
Category

21st Century and Contemporary American More Rings

Materials

White Gold

1/4 Carat Diamond Baguette Ring Band 14 Karat White Gold Wedding Stackable Band
By Five Star Jewelry
Located in Austin, TX
: 14k White Gold Diamond Carat Weight: .25 Carats Diamond Shape: Baguette Diamond Clarity: VS2
Category

2010s American Modern Band Rings

Materials

Diamond, 14k Gold, White Gold

18kt White Gold Ring, 9ct Black and White Diamonds and 25ct Amethyst
Located in Antwerp, BE
22.4 mm, 25 carat Diamond: White brilliant cut diamonds ( together ca. 2 carat ), black diamonds
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

Amethyst, White Diamond, Black Diamond, White Gold

14K Yellow Gold Diamond Double Rainbow Ring, Size 4
Located in Miami Beach, FL
double stone order with two sparkling .25 carat diamonds. This piece will light up your hand and provide
Category

21st Century and Contemporary American More Rings

Materials

Yellow Gold

14K Rainbow Gem Heart Eternity Ring in White Gold
By Mordekai
Located in Miami Beach, FL
. In between the two rainbows, two sparkling .25 carat diamonds. This piece will light up your hand and
Category

2010s American Fashion Rings

Materials

Amethyst, Diamond, White Diamond, Garnet, Multi-gemstone, Peridot, Sapph...

Diamond Amethyst Ring, Yellow Gold, Estate Ring With Genuine 6.0 Carat Amethyst
By Five Star Jewelry
Located in Austin, TX
Quality: 14 karat Yellow Gold Diamond Number: 8 Diamond Total Weight: .25 carats Diamond Shape: round
Category

2010s American Contemporary Three-Stone Rings

Materials

Amethyst, Diamond, 14k Gold, Yellow Gold

Diamond Earrings Flower Vintage 14K White Gold Dangle 1.66 TDW
By Estate Jewelry
Located in East Brunswick, NJ
. The buttercup setting on the top holds .25 carat diamond. The bezel-set diamond on the bottom is .30
Category

Mid-20th Century Drop Earrings

Materials

Diamond, 14k Gold, White Gold

14K White Gold with 4 Carat Diamond Heart Eternity Ring, Size 4
Located in Miami Beach, FL
This ring is all heart. This eternity ring is composed of sixteen .25 carat diamonds set in our
Category

21st Century and Contemporary American Engagement Rings

Materials

White Gold

14K Rainbow Gems Eternity Ring
By Mordekai
Located in Miami Beach, FL
. The eternity ring is designed with a double stone order with two sparkling .25 carat diamonds. This
Category

2010s American More Rings

Diamond Band Ring, 14 Karat White Gold Wedding Band, Zig Zag Diamond Band
By Five Star Jewelry
Located in Austin, TX
beautiful ring are listed below: Metal Quality: 14k White Gold Diamond Carat Weight: .25 Carats Diamond
Category

2010s American Modern Band Rings

Materials

Diamond, 14k Gold, White Gold

Art Deco Diamond Engagement Ring Old European .25ct 18K Belais Original 1920s
By Belais Brothers
Located in Dearborn, MI
Etched to Perfection 100% Natural Diamond .25 Carat Diamond Weight 18K White Gold Excellent
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Diamond Band Ring, 14 Karat White Gold Wedding Band, Zig Zag Diamond Band
By Five Star Jewelry
Located in Austin, TX
beautiful ring are listed below: Metal Quality: 14k White Gold Diamond Carat Weight: .25 Carats Diamond
Category

2010s American Modern Band Rings

Materials

Diamond, 14k Gold, White Gold

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25 Carat Diamond For Sale on 1stDibs

You are likely to find exactly the 25 carat diamond you’re looking for on 1stDibs, as there is a broad range for sale. Frequently made of Gold, 14k Gold and White Gold, this item was constructed with great care. You can easily find a 885 antique edition and 1665 modern creations to choose from as well. If you’re looking for a 25 carat diamond from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 19th Century while another version may have been produced as recently as the 21st Century. For this particular piece, .5 Carat and 1 Carat are consistently popular carat weights. Finding an appealing 25 carat diamond — no matter the origin — is easy, but LB Exclusive, TJD and Tiffany & Co. each produced a popular version that is worth a look. 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. If you’re browsing our inventory for a 25 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 25 Carat Diamond?

Prices for a 25 carat diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $165 and can go as high as $3,350,000, while this accessory, on average, fetches $2,996.
Questions About 25 Carat Diamond
  • 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 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 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.