Rare Carat Diamonds
21st Century and Contemporary Pendant Necklaces
Diamond, Tanzanite, White Diamond, 18k Gold
21st Century and Contemporary Engagement Rings
Diamond, White Diamond
21st Century and Contemporary Engagement Rings
Diamond, White Diamond, Yellow Diamond, 18k Gold, Platinum
2010s Sierra Leonean Modern Loose Gemstones
Diamond
2010s Sierra Leonean Modern Loose Gemstones
Diamond
21st Century and Contemporary Fashion Rings
Blue Sapphire, Diamond, White Diamond, Sapphire, Platinum
2010s Sierra Leonean Modern Loose Gemstones
Diamond
21st Century and Contemporary Cocktail Rings
Diamond, White Diamond, Ruby, 18k Gold
21st Century and Contemporary Engagement Rings
Diamond, White Diamond, Yellow Diamond, Platinum
21st Century and Contemporary American Modern Engagement Rings
Diamond, Platinum
2010s Malagasy Loose Gemstones
Sapphire, Pink Sapphire
21st Century and Contemporary Contemporary Pendant Necklaces
Diamond, White Diamond, Tourmaline, 18k Gold, White Gold, Yellow Gold
21st Century and Contemporary Unknown Cocktail Rings
Diamond, Ruby, White Diamond, Platinum
21st Century and Contemporary Contemporary Cluster Rings
Diamond, Tourmaline, 18k Gold, White Gold
2010s Israeli Art Deco Dangle Earrings
Diamond, Tanzanite, White Gold, 18k Gold
21st Century and Contemporary Drop Earrings
Diamond, White Diamond, Ruby, 18k Gold
21st Century and Contemporary Russian Contemporary Three-Stone Rings
Diamond, 14k Gold
21st Century and Contemporary Loose Gemstones
Diamond, White Diamond
21st Century and Contemporary Cocktail Rings
Diamond, Ruby, Platinum
21st Century and Contemporary American Contemporary Chain Necklaces
Diamond, White Diamond, Gold, 18k Gold, White Gold
21st Century and Contemporary Engagement Rings
Diamond, 18k Gold, Platinum
21st Century and Contemporary American Cocktail Rings
Diamond, Apatite, 14k Gold, White Gold
2010s North American Modern Clip-on Earrings
Diamond, 18k Gold
2010s Engagement Rings
Diamond, Sapphire, Padparadscha Sapphire , 14k Gold, Rose Gold
21st Century and Contemporary Contemporary Cocktail Rings
Zircon, White Diamond, Diamond, White Gold, 18k Gold, Gold
21st Century and Contemporary Contemporary Cocktail Rings
Zircon, White Diamond, Diamond, White Gold, 18k Gold, Gold
21st Century and Contemporary Contemporary Cocktail Rings
Diamond, White Diamond, Zircon, Gold, 18k Gold, White Gold
21st Century and Contemporary Contemporary Cocktail Rings
Diamond, White Diamond, Zircon, Gold, 18k Gold, White Gold
21st Century and Contemporary Contemporary Wedding Rings
Spinel, White Diamond, Diamond, White Gold, 18k Gold, Gold
2010s Hong Kong Art Nouveau Stud Earrings
Diamond, Pink Diamond, 18k Gold
2010s Cocktail Rings
Diamond, Opal, 14k Gold, White Gold
21st Century and Contemporary Tennis Bracelets
Diamond, 18k Gold
2010s Cocktail Rings
Diamond, Yellow Sapphire, 14k Gold, White Gold
21st Century and Contemporary Belgian Aesthetic Movement Loose Gemstones
Diamond
2010s British Engagement Rings
Diamond, Platinum
21st Century and Contemporary North American Modern Choker Necklaces
Diamond, Emerald, Gold, 14k Gold, Yellow Gold
21st Century and Contemporary American Contemporary Engagement Rings
Emerald, Diamond, Platinum
21st Century and Contemporary Cocktail Rings
Ruby
Vintage 1960s European Contemporary Lever-Back Earrings
Diamond, Tourmaline, 18k Gold
21st Century and Contemporary Engagement Rings
Diamond, White Diamond, Emerald
20th Century North American Art Deco Cocktail Rings
Diamond, Tanzanite, Platinum
21st Century and Contemporary North American Edwardian Cocktail Rings
Opal, White Diamond, Diamond, Yellow Gold, 14k Gold, Gold
21st Century and Contemporary American Engagement Rings
Tourmaline, Diamond, Yellow Gold, 18k Gold
Vintage 1950s Drop Necklaces
Diamond, Emerald, 18k Gold, Palladium, Gold, White Gold, Platinum
2010s American Pendant Necklaces
Diamond, Platinum
21st Century and Contemporary American Contemporary Cocktail Rings
Diamond, Tourmaline, 14k Gold
21st Century and Contemporary American Contemporary Cocktail Rings
Diamond, Tourmaline, 14k Gold
20th Century English Modern Fashion Rings
White Diamond, Black Diamond, 9k Gold
21st Century and Contemporary Contemporary Fashion Rings
Green Sapphire, Sapphire, Yellow Diamond, White Diamond, Diamond, Yellow...
21st Century and Contemporary French Art Deco Engagement Rings
Yellow Diamond, Platinum
21st Century and Contemporary Contemporary Dangle Earrings
Diamond, White Diamond, Spinel, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Drop Necklaces
Diamond, Emerald, Platinum
21st Century and Contemporary Contemporary Dangle Earrings
Diamond, White Diamond, Spinel, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Contemporary Dangle Earrings
Diamond, White Diamond, Spinel, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Contemporary Dangle Earrings
Diamond, White Diamond, Spinel, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Contemporary Dangle Earrings
Diamond, White Diamond, Spinel, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Contemporary Dangle Earrings
Diamond, White Diamond, Spinel, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Contemporary Dangle Earrings
Diamond, White Diamond, Spinel, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Hong Kong Contemporary Fashion Rings
Diamond, 18k Gold
21st Century and Contemporary Contemporary Dangle Earrings
Diamond, White Diamond, Spinel, Gold, 18k Gold, Yellow Gold
- 1
- ...
Rare Carat Diamonds For Sale on 1stDibs
How Much are Rare Carat Diamonds?
- 1stDibs ExpertApril 5, 2022A 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.
- Is a two-carat diamond rare?1 Answer1stDibs ExpertFebruary 13, 2023Yes, 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 ExpertJune 15, 2023Vivid yellow diamonds are extremely rare. In fact, only one out of every 10,000 carats of diamonds mined is yellow. However, yellow is the most common type of colored diamond, accounting for 60% of all colored diamonds. On 1stDibs, find an assortment of yellow diamond jewelry.
- 1stDibs ExpertApril 5, 2022Argyle pink diamonds are generally thought of as very rare. This is because pink diamonds account for less than 1 percent of the diamonds mined from the area in Western Australia. You'll find a collection of Argyle pink diamond gemstone jewelry on 1stDibs.
- Is there a three-carat diamond?1 Answer1stDibs ExpertApril 5, 2022Yes, 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.
- What is a 24-carat diamond?1 Answer1stDibs ExpertMarch 22, 2022A 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.
- How big is a 12 carat diamond?1 Answer1stDibs ExpertFebruary 22, 2021The size of a 12 carat diamond is dependent on diamond cut. A 12 carat round diamond is roughly 15 mm in size.
- What is 1 carat diamond worth?1 Answer1stDibs ExpertFebruary 22, 2021Depending on the quality, age, and designer, a 1-carat diamond can cost between $1,300 and $16,500.
- What is a 7 carat diamond worth?1 Answer1stDibs ExpertAugust 17, 2021A 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.
- What is a 9 carat diamond worth?1 Answer1stDibs ExpertSeptember 28, 2021A 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.
- What is a 3 carat diamond worth?1 Answer1stDibs ExpertSeptember 28, 2021A 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.
- How large is a 3-carat diamond?1 Answer1stDibs ExpertFebruary 27, 2024In 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 6, 2023There 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.
- What is a 4 carat diamond worth?1 Answer1stDibs ExpertSeptember 28, 2021A 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.
- What is a 5 carat diamond worth?1 Answer1stDibs ExpertSeptember 28, 2021A 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.
- What is a 6 carat diamond worth?1 Answer1stDibs ExpertSeptember 28, 2021A 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, 2021An 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, 2021The 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.
- Is a 1.5-carat diamond too big?1 Answer1stDibs ExpertFebruary 27, 2024Whether 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, 2023Whether a 3-carat diamond is considered big is largely a matter of personal opinion. The average diamond is 1 to 2 carats in size. On 1stDibs, shop a selection of diamond jewelry.