Questions & Answers
Our trusted network of 1stDibs sellers answer common questions
How large is a 3-carat diamond?
1 Answer
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 27, 2024
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Shop for Diamond Jewelry on 1stDibs
Antique 18ct Gold, Art Deco Ruby and Diamond Ring
Located in Brighton, GB
Antique Ruby & Diamond Ring
18ct Gold
Circa 1920s
A striking Art Deco ruby and diamond ring, featuring a bold circular plaque set with six bright diamonds arranged in crisp ...
Category
Early 20th Century European Art Deco Cluster Rings
Materials
Diamond, Ruby, Gold, 18k Gold
Vintage 18ct Gold & Platinum 5 Carat Aquamarine and Diamond Cluster Ring
Located in Brighton, GB
Vintage Aquamarine Cluster Ring
18ct Gold & Platinum
Circa 1980s
A breathtaking statement piece from the 1980s, this vintage cocktail ring centers on an impressive 5 carat na...
Category
Late 20th Century European Cluster Rings
Materials
Diamond, Aquamarine, Platinum, 18k Gold, Gold
Oscar Heyman Bezel Set 3.22ct H/IF Emerald Cut Diamond Ring with Pink Sapphires
By Oscar Heyman
Located in New York City, NY
A striking 3.22ct H color, Internally Flawless emerald cut diamond takes center stage in this elegant platinum ring. Framed by a substantial, sculptural bezel, the center diamond is ...
Category
2010s American Contemporary Bridal Rings
Materials
Diamond, Pink Sapphire, Platinum
Vintage 18ct White Gold, 1990s Full 2.40 Carat Marquise Diamond Eternity Ring
Located in Brighton, GB
Diamond Eternity Ring
18ct White Gold French Stamped
Circa 1990s
Step back in time with this exquisite 1990s eternity ring, expertly crafted in white gold and adorned with approxi...
Category
Late 20th Century French Band Rings
Materials
Diamond, 18k Gold, White Gold
18ct Gold & Platinum Art Deco Style Calibrated Emerald and Diamond Ring
Located in Brighton, GB
Art Deco Style Emerald Ring
18ct Gold & Platinum
Circa 2000
Transport yourself to the roaring glamor of the 1920s with this breathtaking Art Deco-style statement ring. Masterfull...
Category
21st Century and Contemporary European Art Deco Cocktail Rings
Materials
Emerald, Diamond, Platinum, 18k Gold, Gold
Antique 18ct Gold, Edwardian Cabochon Moonstone and Diamond Ring
Located in Brighton, GB
Antique Moonstone Ring
18ct Gold
Circa 1910
A beautiful Edwardian-era 18ct gold moonstone and diamond ring, dating to circa 1910, with a wonderfully distinctive and elegant desig...
Category
Early 20th Century European Edwardian Cluster Rings
Materials
Diamond, Moonstone, Gold, 18k Gold
