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100 carats Diamond Collar Necklace in 18k Yellow Gold
Located in La Jolla, CA
Estate 100 carats Diamond Collar Necklace in 18k Yellow Gold Very Fine estate necklace designed
Category

21st Century and Contemporary North American Choker Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

100 Carat Diamond Riviera Platinum Necklace
By Antinori Fine Jewels
Located in Chicago, IL
an astonishing total carat weight of 100 carats, every diamond shimmers, creating a dazzling display
Category

2010s Unknown Contemporary Chain Necklaces

Materials

Diamond, White Diamond, Platinum

100-Carat Diamond Tennis Necklace D-E-F Color VVS-VS Clarity
Located in Mumbai, IN
This 100-carat diamond tennis necklace is an awe-inspiring creation that embodies timeless
Category

21st Century and Contemporary Asian Modern Drop Necklaces

Materials

Diamond, 18k Gold

Over 100 Carat Diamond and Pearl Beaded Necklace
Located in Beverly Hills, CA
A chic chocolate brown pearl and champagne diamond necklace featuring over 100 carats of sparkling
Category

21st Century and Contemporary Unknown Contemporary Beaded Necklaces

Materials

Diamond, Pearl

100 Carat Platinum Diamond Drop Necklace
By Diana M. Jewels
Located in New York, NY
100.00 Carats of pear, marquise and round diamonds, the diamonds are fine quality. Length: 18" Clasp
Category

21st Century and Contemporary American Drop Necklaces

Materials

Diamond, Platinum

100 Carat Aquamarine Platinum and Diamond Pendant Tassle
Located in Manhasset, NY
’). Suspended between platinum caps with leaf motif top and bottom and set with 48 diamonds weighing 1.31 total
Category

Antique Mid-19th Century Kenyan Pendant Necklaces

Materials

Aquamarine, Diamond, Platinum

14k Gold, 0.40 Carat Diamond & Ruby Ring. 100% Natural
Located in Miami, FL
with a captivating 0.20 carat Burma ruby and 0.20 carats of round brilliant-cut diamonds. The ruby
Category

21st Century and Contemporary South American Medieval Cluster Rings

Materials

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

4.00 Carat Diamond Necklace G SI 14K White Gold 100% Natural Diamonds
Located in New York, NY
4.00 Carat Diamond Necklace G SI 14K White Gold 16 inches 100% Natural Diamonds, Not Enhanced in
Category

21st Century and Contemporary American Modern Choker Necklaces

Materials

Diamond, White Gold

100 Carat 18K Gold with Emerald and Mixed Cut Diamonds Necklace
By Antinori Fine Jewels
Located in Chicago, IL
. Specifications: Gross Weight: 129.17 grams Net Weight: 107.49 grams Dazzling Diamonds: 58.12 carats (GH/VS
Category

2010s Unknown Contemporary Choker Necklaces

Materials

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

100 carats Sapphires 0.44 Carats White Diamonds Clasp 18K Gold Sautoir Necklace
By Rossella Ugolini
Located in Rome, IT
Rossella Ugolini Silhouette Collection Art Deco Style 100 Carats Blue Sapphires Bead Cut 0.44
Category

2010s Italian Art Deco Beaded Necklaces

Materials

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

100 Carat Pink Kunzite with Aquamarine & Diamond Pendant in 18K White Gold
By Gad & Co.
Located in Miami, FL
: 5 x 3 MM (each) _______________________________ Side Stone Details(3): - Type: Diamond - Carat
Category

2010s North American Art Deco Pendant Necklaces

Materials

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

Diamond Cuff Platinum Bracelet with Over 100 Carat of Rose Cut Diamonds
Located in New York, NY
This truly unique, vintage diamond bracelet was expertly crafted in platinum for these 263 mixed
Category

20th Century Art Nouveau Cuff Bracelets

Materials

Diamond, Platinum

Modern Claw Ring 18kt White Gold with 100 Diamonds 0.54 carats
Located in Miami, FL
with 100 Diamonds. Rose Gold is 0.54 carats Diamonds and 2.96 grams and White Gold is 0.52 carats
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond

0.45 Carat Natural Diamond Bezel Cross Link Ring G SI 14k White Gold 100% Natur
Located in New York, NY
0.45 Carat Natural Diamond Bezel Cross Link Ring G SI 14K White Gold 100% Natural Diamonds, Not
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

Diamond, White Gold, 14k Gold

100 Diamonds Star Of David 14K Gold Necklace
Located in Los Angeles, CA
Embrace elegance and spirituality with this exquisite 100 Diamonds Star Of David 14K Gold Necklace
Category

2010s American Modern Necklace Enhancers

Materials

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

1.07 Carat Natural Diamond Engagement Solitaire Ring
Located in Miami, FL
perfect choice for a proposal. Key Features: Metal: 14k yellow gold Diamond: 1.07 carat. 100% natural
Category

2010s European Medieval Solitaire Rings

Materials

Diamond, Gold, 14k Gold, Yellow Gold

GIA Certified 0.50 Carat Light Pinkish Brown VS2 Clarity Diamond
Located in บางรัก, TH
for those seeking a unique and eye catching diamond. Our 0.50 Carat Diamond is a half carat diamond
Category

2010s Asian Loose Gemstones

Materials

Diamond

Mozambique 0.80Cts Unheated Ruby Cut Stone 100% Natural Certified
Located in Chicago, IL
Mozambique Ruby 0.80Cts Unheated Ruby Cut Stone 100%Natural Ruby CERTIFIED Item Details: Gold wt
Category

2010s Indian More Jewelry

Materials

Ruby

11.80 Carat White Gold Diamond Earrings
By Diana M. Jewels
Located in New York, NY
Gold • 11.80 Carat White Diamonds • 100% Natural Diamonds • Earrings • High polish finish Every
Category

21st Century and Contemporary American Hoop Earrings

Materials

White Diamond, Diamond, White Gold

18K White Gold 7.10 Carat Diamond Hoop Earrings 0.40 Carats each
By Diana M. Jewels
Located in New York, NY
in White Gold • 7.35 Carat White Diamonds • 100% Natural Diamonds • Earrings • High polish finish
Category

21st Century and Contemporary American Hoop Earrings

Materials

White Diamond, Diamond, White Gold

18K Gold Maple Leaf Brooche, 1/2 carat Diamond.
Located in Miami, FL
leaf brooche. Diamond: VS clarity and F color, 0.50 carat diamond. 100% natural diamond. Round
Category

21st Century and Contemporary European Victorian Brooches

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Art Deco 3.00 Carat Diamond Engagement Ring 14K Gold
Located in Miami, FL
weight of 3.00 carats, all diamonds are 100% natural earth mined. The ring's slight twist design adds
Category

21st Century and Contemporary European Art Deco Engagement Rings

Materials

Diamond, Gold, 14k Gold, Yellow Gold

Alexander 25.17 Carat Diamond Tennis Necklace 18 Karat White Gold
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
Beautiful and classic diamond tennis necklace. By Alexander Beverly Hills. 100 round brilliant
Category

21st Century and Contemporary American Contemporary More Necklaces

Materials

Diamond, White Diamond, 18k Gold, White Gold

Alexander 24.56 Carat Diamond Tennis Necklace 18 Karat Yellow Gold
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
Beautiful modern diamond tennis necklace. Created by Alexander Beverly Hills. 100 round brilliant
Category

21st Century and Contemporary American Contemporary More Necklaces

Materials

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

19.00 Carat 18K White Gold Diamond Earrings
By Diana M. Jewels
Located in New York, NY
• 19 Carat White Diamonds • 100% Natural Diamonds • Earrings • High polish finish Every piece of
Category

21st Century and Contemporary American Hoop Earrings

Materials

White Diamond, Diamond, White Gold

6.00 Carat Natural Emerald Ring, 1.24 Carat Natural Diamonds, Statement Ring
Located in Ramat Gan, IL
grade : very good Transparent 100% Natural Diamond Carat weight : 1.24 carat Color grade : D - F
Category

2010s Israeli Art Deco Cocktail Rings

Materials

Diamond, Emerald, 18k Gold

18K YellowGold 7.50 Carats Diamond Hoop Earrings
By Diana M. Jewels
Located in New York, NY
Gold • 9.50 Carat White Diamonds • 100% Natural Diamonds • Earrings • High polish finish Every piece
Category

21st Century and Contemporary American Hoop Earrings

Materials

White Diamond, Diamond, 18k Gold, Yellow Gold

Sapphire Diamond Ladder Pendant 14K Mined Diamond 1 Carat Birthstone 1ct
Located in Dearborn, MI
Characteristics) Side Diamond Specs/Quality 37 Natural Diamond (100% Natural Diamond) 0.50 Carats Diamond
Category

2010s Pendant Necklaces

Materials

Diamond, Sapphire, 14k Gold, Yellow Gold

0.85 Carat Diamond White Gold Engagement Ring
Located in Miami, FL
. Key Features: Metal: 14K white gold. Total Carat Weight of Diamonds: 0.85 Carats. 100% natural earth
Category

21st Century and Contemporary European Edwardian Engagement Rings

Materials

Diamond, Gold, 14k Gold, White Gold

Emilio Jewelry 66.00 Carat Emerald Diamond Necklace
By Emilio!
Located in New York, NY
: over 100 grams Diamond Weight: 32.24 carats D-F color and Vs1-Vs2 Clarity Emerald Weight: 34.42
Category

21st Century and Contemporary Choker Necklaces

Materials

Diamond, Emerald, 18k Gold

Diana M. 11.10 Carat White Gold Diamond Earrings
By Diana M. Jewels
Located in New York, NY
in White Gold • 11.80 Carat White Diamonds • 100% Natural Diamonds • Earrings • High polish finish
Category

21st Century and Contemporary American Hoop Earrings

Materials

Diamond, White Diamond, White Gold

Diana M. 14.75 Carat Diamond Hoops 2" Diameter
By Diana M. Jewels
Located in New York, NY
in White Gold • 14.75 Carat White Diamonds • 100% Natural Diamonds • Earrings • High polish finish
Category

21st Century and Contemporary American Hoop Earrings

Materials

Diamond, White Diamond, White Gold

1.20 Carat Natural Burma Ruby Diamond Modern Ring
Located in Miami, FL
carat diamonds total. 100% natural earth mined diamonds. White diamonds. VS-SI clarity. F-G color
Category

2010s European Contemporary Cocktail Rings

Materials

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

1.97 Carat Diamond Gold Fancy Long Finger Ring
Located in Miami, FL
: 18K yellow gold. Total carat weight of diamonds: 1.97 carats. 100% natural earth mined diamonds. VS
Category

21st Century and Contemporary European Edwardian Cocktail Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Diamond Stud Earrings Mined Diamonds 1 Carat Size G/VS Martini PushBack 1ct
Located in Dearborn, MI
Diamond Stud Earrings Mined Diamonds 1 Carat Size G/VS Martini PushBack Brand New  100% Natural
Category

2010s Stud Earrings

Materials

Diamond, 14k Gold, White Gold

Diana M. 8.15 Carat Diamond Hoops 'Each Dia. 0.50'
By Diana M. Jewels
Located in New York, NY
Natural Diamonds • Crafted in White Gold • 8.15 Carats • 100% Natural Diamonds • Earrings • High
Category

21st Century and Contemporary American Hoop Earrings

Materials

Diamond, White Diamond, 18k Gold, White Gold

GIA Certified 104.00 Carat Natural Diamonds Platinum Riviera Necklace/Choker
Located in Massafra, IT
lustrous centre GIA Certified 4.00 carat Diamond is truly captivating, while the 100 carats of dazzling
Category

21st Century and Contemporary Choker Necklaces

Materials

Diamond

Diamond Pendant Mined .10 Carat Round Brilliant 14K Yellow Gold
Located in Dearborn, MI
Yellow Gold 100% Real Natural Mined Diamonds, Not Enhanced .10 Carat Diamond Weight For That Special
Category

2010s Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

1.50 Carat Natural Diamond Cluster Flower Ring G SI 14 Karat White Gold
Located in New York, NY
1.50 Carat 100% Natural Diamonds Cluster Flower Ring G SI 14K White Gold 100% Natural Diamonds
Category

21st Century and Contemporary American Contemporary Cluster Rings

Materials

Diamond, 14k Gold, White Gold

1.50 Carat Natural Diamond Cluster Flower Ring G SI 14 Karat White Gold
Located in New York, NY
1.50 Carat 100% Natural Diamonds Cluster Flower Ring G SI 14K White Gold 100% Natural Diamonds
Category

21st Century and Contemporary American Contemporary Cluster Rings

Materials

Diamond, 14k Gold, White Gold

Diana M. 18K White Gold 4.50 Carat Diamond Hoop Earrings
By Diana M. Jewels
Located in New York, NY
Gold • 4.50 Carat White Diamonds • 100% Natural Diamonds • Earrings • High polish finish Every piece
Category

21st Century and Contemporary American Hoop Earrings

Materials

Diamond, White Diamond, White Gold

Diamond Solitaire Pendant .25 Carat Mined Round Brilliant 14K White Gold
Located in Dearborn, MI
Brilliant Cut Natural Mined Diamond Center 100% Natural Mined Diamond .25 Carat Diamond Weight For That
Category

2010s Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

Diana M. 15.00 Carat Diamond Hoops in 18kt Yellow Gold
By Diana M. Jewels
Located in New York, NY
Yellow Gold • 15.00 Carat White Diamonds • 100% Natural Diamonds • Earrings • High polish finish
Category

21st Century and Contemporary American Hoop Earrings

Materials

Diamond, Yellow Gold

Fancy Chocolate Diamond Pendant Necklace Natural Mined 1.76 Carat 14K Marquise
Located in Dearborn, MI
Hue 14K Yellow Gold 100% Natural Diamond 1.00 Carat Diamond Weight Excellent Condition Diamond
Category

2010s Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

Natural Raw Mined .59 Carat Diamond Pendant Necklace 14k Recycled Gold
Located in Dearborn, MI
Raw Mined .59ct Diamond Recycled Gold Solid 14K Yellow Gold 100% Natural Mined Diamond .59 Carat
Category

2010s Pendant Necklaces

Materials

Diamond, Gold, 14k Gold

Emerald Cut 2.99 Carats White Earring Dangling 18K White Gold *Natural Diamonds*
Located in New York, NY
tasteful simplicity. **100% natural diamonds** 2.99 Carats Total in Emerald Cut White Diamonds (16 stones
Category

21st Century and Contemporary Taiwanese Drop Earrings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Chocolate Diamond Stud Earrings 1 Carat Round Brilliant 14K Yellow Gold 1ct
Located in Dearborn, MI
Future Generations  100% Natural Diamonds  1.00 Carat Diamond Weight  14K Yellow Gold Excellent
Category

2010s Stud Earrings

Materials

Diamond, 14k Gold, Yellow Gold

Diamond Bar Pendant Mined 1/8 Carat Round Brilliant 14K Yellow Gold
Located in Dearborn, MI
Specs/Quality 6 Natural Diamond (100% Natural Diamond) .125 Carat Diamond Weight Shape: Round
Category

2010s Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

Diamond 3 Stone Journey Pendant .50 Carat Necklace 14k White Gold
Located in Dearborn, MI
Heavy 6.8 Grams That's Over $230 in Gold Value Alone 100% Natural Diamonds .50 Carat Diamond Weight
Category

2010s Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

Diamond Stud Earrings 2/3 Carat 4 Prong Mined 14K Yellow Gold .65ct
Located in Dearborn, MI
Diamond Stud Earrings 2/3 Carat 4 Prong Mined 14K Yellow Gold 100% Natural Diamonds  .65 Carat
Category

2010s Stud Earrings

Materials

Diamond, 14k Gold, Yellow Gold

Ladies Diamond 5 Stone Wedding Ring 1 Carat Anniversary Band Mined 1ct 14K
Located in Dearborn, MI
Have the Matching Mens Band 100% Natural Diamonds 1.00 Carat Diamond Weight 14K Yellow Gold
Category

2010s Band Rings

Materials

Diamond, 14k Gold, Yellow Gold

Mens Diamond 5 Stone Wedding Ring 1 Carat Anniversary Band Mined 1ct 14K
Located in Dearborn, MI
Matching Ladies Band 100% Natural Diamonds 1.00 Carat Diamond Weight 14K Yellow Gold Perfect for the
Category

2010s Band Rings

Materials

Diamond, 14k Gold, Yellow 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

Diamond Solitaire Pendant 1 Carat Mined Bezel Set RBC 14K Yellow Gold Chain 1ct
Located in Dearborn, MI
Appraisal Upon Request Diamond Specs/Quality 1 Natural Diamond (100% Natural Diamond) 1.00 Carat
Category

2010s Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

Diamond Solitaire Pendant 1 Carat Mined Bezel Set Antique Cut Pear 14K Gold Chai
Located in Dearborn, MI
Bezel Set Mined Antique Pear Cut Diamond Solitaire Pendant 1 Carat 14K White Gold Chain Featuring
Category

2010s Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

Lapaix Natural Raw Mined 1ct Diamond Pendant Necklace 14K Two Tone 1 Carat
Located in Dearborn, MI
Lapaix Natural Raw Mined 1ct Diamond Pendant Necklace 14K Two Tone 1 Carat Featuring a Genuine
Category

2010s Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

GIA Emerald Diamond Ring Vintage 18K Certified Natural Fine VS Huge 7.54 Carats!
Located in Sylvania, GA
Earth-Mined Transparent Oval Cut Emerald. Approx: 2.32 Carats! 100 Round Cut Diamonds Grade VS-SI Eye
Category

20th Century Unknown Cocktail Rings

Materials

Diamond, Emerald, Gold, 18k Gold

Art Deco Diamond Pin .21 Carat Original 1920s Antique Brooch Two Tone Gold
Located in Dearborn, MI
Specs/Quality 1 Natural Mined Diamonds (NOT Created, Enhanced or Man-Made) 100% Natural 0.21 Carat
Category

Vintage 1920s Art Deco Brooches

Materials

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

Diamond Tennis Bracelet 2 Carat 14K Two-Tone Gold 8 Inch 2ct MSRP $5, 900
Located in Dearborn, MI
Keeps it Secure on the Wrist 100% Natural Diamonds 2.00 Carat Diamond Weight 14K White & Yellow
Category

2010s Link Bracelets

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

Unique 3.26 Carat Diamond Rose Cut Pear Shape Twin Stone 'Toi et Moi' Ring
Located in New York, NY
weighing 2.32 carats and 0.94 carats. The diamonds 100% natural and approximately G to H color and VS/SI
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, Platinum

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100 Carat Diamond For Sale on 1stDibs

Find the exact 100 carat diamond you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using Gold, White Gold and 14k Gold. You can easily find a 21 antique edition and 40 modern creations to choose from as well. You’re likely to find the perfect 100 carat diamond among the distinctive items we have available, which includes versions made as long ago as the 19th Century as well as those produced as recently as the 21st Century. For this particular piece, .5 Carat and 1 Carat are consistently popular carat weights. A 100 carat diamond from Antinori Fine Jewels, Michael Kanners and H. Stern — each of whom created a beautiful version of this treasured accessory — is worth considering. See these pages for a round cut iteration of this accessory, while there are also oval cut cut and cushion cut cut versions available here, too. If you’re browsing our inventory for a 100 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 100 Carat Diamond?

Prices for a 100 carat diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $349 and can go as high as $1,300,000, while this accessory, on average, fetches $27,456.

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 100 Carat Diamond
  • 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 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 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
    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 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 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
    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 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
    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 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 ExpertNovember 27, 2023
    Whether half-carat diamond studs are too small is a matter of personal opinion. A pair of diamond studs with a total carat weight of 0.5 usually consists of two 0.25-carat earrings. Many jewelry makers offer studs as small as 0.13 carats, so many people consider half-carat diamond studs to be medium-sized. On 1stDibs, shop a collection of antique and vintage diamond stud earrings.
  • 1stDibs ExpertNovember 1, 2023
    Whether two-carat diamond studs are too big is a matter of personal preference. At this size, each earring will be one carat. If you opt for the classic round brilliant cut, the studs will typically measure around 6.5 millimeters in diameter, which is a little more than half the size of a dime. Find a wide range of diamond stud earrings on 1stDibs.