Questions & Answers
Our trusted network of 1stDibs sellers answer common questions
How much is a 15-carat diamond worth?
1 Answer
How much a 15-carat diamond is worth varies. Prices may be in the hundreds of thousands or millions. When evaluating diamonds, experts consider the cut, clarity and color, as well as the carat weight. On 1stDibs, explore a wide variety of diamond jewelry from some of the world's top sellers.
1stDibs ExpertOctober 30, 2024
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Shop for Diamond Jewelry on 1stDibs
Antique 18ct Yellow Gold, Star Set Diamond Three Stone Band Ring, Circa 1900
Located in Brighton, GB
Antique Diamond Ring
18ct Yellow Gold
Worn Hallmark
Makers Mark AI
Circa 1900
An elegant antique band in 18ct gold, set with three diamonds star set across the head of the rin...
Category
Early 20th Century English Edwardian Band Rings
Materials
Diamond, 18k Gold, Yellow Gold
Antique Platinum French Stamped, Edwardian Peridot and Diamond Halo Ring
Located in Brighton, GB
Antique Peridot Ring
Platinum French Stamped
Circa 1910
A striking example of early 20th-century French craftsmanship, this exquisite antique ring dates to circa 1910 and showcas...
Category
Early 20th Century French Edwardian Cluster Rings
Materials
Diamond, Peridot, Platinum
Vintage 18ct Gold, 1950s Ruby & Diamond Cluster Ring
Located in Brighton, GB
Vintage Ruby Cluster Ring
118ct Yellow Gold Stamped
Circa 1950s
This exquisite vintage cluster ring, crafted in 18ct yellow gold, is a true statement piece that embodies the eleg...
Category
Mid-20th Century European Cluster Rings
Materials
Diamond, Ruby, Gold, 18k Gold
Antique 18ct Yellow Gold, Art Nouveau Diamond Snake Ring
Located in Brighton, GB
Antique Art Nouveau Ring
18ct Yellow Gold
Circa 1900
Introducing a stunning 18ct yellow gold Art Nouveau ring, a true testament to the exceptional craftsmanship of its era. This ...
Category
Early 20th Century European Art Nouveau Cocktail Rings
Materials
Diamond, 18k Gold, Yellow Gold
Vintage Platinum, 1940s Aquamarine & Baguette Diamond Cocktail Ring
Located in Brighton, GB
Vintage Aquamarine Ring
Platinum
Circa 1940s
Introducing a stunning Vintage 1940s Aquamarine Ring that exudes timeless elegance. This exquisite ring features a magnificent emeral...
Category
Mid-20th Century European Cocktail Rings
Materials
Aquamarine, Diamond, Platinum
Antique 18ct Gold Stamped, Circa 1920s Single Stone Diamond Engagement Ring
Located in Brighton, GB
Antique Engagement Ring
18ct Gold & Platinum Stamped
Circa 1920
The ring features a bright single 0.25ct brilliant cut diamond which is set in platinum, enhancing its sparkle and...
Category
Early 20th Century European Edwardian Solitaire Rings
Materials
Diamond, Gold, 18k Gold
