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
Trinity Diamond Eternity Rolling Band Ring 18k Yellow Gold, 2.21ctw
Located in Orlando, FL
This substantial rolling ring is built from three independent bands, each bead-set in channels with a continuous run of round brilliant diamonds, that roll and interlace into a singl...
Category
21st Century and Contemporary Band Rings
Materials
Diamond, 18k Gold, Yellow Gold
Shell Pendant with Pink Tourmalines, Diamonds & 14k Gold by Jen Proudman Jewelry
Located in New York, NY
Shell Pendant
Natural Shell, Pink Tourmalines, White Diamonds & 14k Gold
One-of-a-kind pendant by Jen Proudman Jewelry.
This pendant measures 2" in length and has a 7mm cente...
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Tourmaline, 14k Gold
Vintage 18ct Gold, Sapphire and Diamond Band Ring, Hallmarked Birmingham 1972
Located in Brighton, GB
Vintage Sapphire Ring
18ct Gold Stamped
Hallmarked Birmingham 1972
Makers Mark H W S
A classic sapphire and diamond three‑stone ring in rich 18ct gold, fully hallmarked for Bir...
Category
Late 20th Century English Band Rings
Materials
Diamond, Sapphire, Gold, 18k Gold
Antique 18ct Gold & Silver, Victorian Amethyst and Diamond Earrings
Located in Brighton, GB
Antique Drop Earrings
18ct Gold & Silver
Circa 1880
Timeless elegance meets antique charm with these exquisite Victorian drop earrings, beautifully crafted in 18ct yellow gol...
Category
Antique Late 19th Century Victorian Drop Earrings
Materials
Amethyst, Diamond, Gold, 18k Gold, Silver
Art Deco Style 18ct White Gold, Peridot & Diamond Round Halo Cluster Ring
Located in Brighton, GB
Deco Style Peridot Ring
18ct White Gold
Circa 2000
Step into a realm of timeless elegance with this exquisite Art Deco-style ring, meticulously crafted in 18ct white gold. At its...
Category
21st Century and Contemporary Art Deco Cluster Rings
Materials
Diamond, Peridot, 18k Gold, White Gold
Antique 18ct White Gold, Edwardian 5 Stone Diamond Ring
Located in Brighton, GB
Antique Diamond Ring
18ct White Gold
Step back in time with this exquisite Edwardian ring, featuring a stunning five-stone diamond design. Crafted in luxurious 18ct white gold, th...
Category
Early 20th Century Edwardian Band Rings
Materials
Diamond, 18k Gold, White Gold


