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
14k Solid Yellow Gold 7.23CT Natural Opal 0.4CT Diamond Pendant Necklace
Located in Naples, NY
Oh my! This necklace is gorgeous! Spectacular 14k solid yellow gold pendant featuring a 7.23 carat gem-quality opal in a classy pear shape.
The pendant also has a 0.4-carat fine d...
Category
21st Century and Contemporary American Modern Pendant Necklaces
Materials
Diamond, Opal, 14k Gold, Yellow Gold
Art Deco Diamond Square Cut Cabochon Blue-Green Opal 18K White Gold Pendant
Located in New York, NY
Fine Art Deco diamond, square cut cabochon blue-green opal and 18K white and yellow gold pendant
Early 20th Ccentury
Exquisite, elegant Art Deco period diamond, blue-green opal 18K w...
Category
Early 20th Century Art Deco Pendant Necklaces
Materials
Diamond, Opal, 18k Gold, White Gold
14K Yellow & White Gold 2 Carat Diamon Flame Omega Earrings 13.60 Grams
Located in Eagan, MN
This is just a fabulous pair of earrings. This is in the same style as Jean Schlumberger's for Tiffany design. The design gives the illusion of a flame shooting from the diamonds. ...
Category
21st Century and Contemporary Unknown Art Deco Stud Earrings
Materials
Diamond, 14k Gold, Yellow Gold, White Gold
$2,400 Sale Price
20% Off
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Leto Lama IGI Certified 4.26 Cts Emerald with diamonds engagement cocktail ring
Located in London, GB
A one-of-a-kind cocktail or alternative engagement ring showcasing a striking 4.26-carat bluish-green Zambian emerald, IGI certified.
The centre stone is secured with eight claws, c...
Category
2010s British Art Nouveau Engagement Rings
Materials
Diamond, Emerald, 18k Gold
TIFFANY & Co. Metro Platinum Full Circle Diamond Band Ring 9
Located in Los Angeles, CA
TIFFANY & Co. Metro Platinum Full Circle Diamond Band Ring 9
Metal: Platinum
Size: 9
Band Width: 1.5mm
Diamond: round brilliant diamonds, carat total weight .23
Hallmark: ©TIFFAN...
Category
2010s Belgian Wedding Rings
Materials
Diamond, Platinum
Antique 15ct Yellow Gold, Georgian Emerald & Diamond Cluster Ring, Circa 1840
Located in Brighton, GB
Antique Emerald & Diamond Cluster Ring
15ct Gold
Circa 1840
This is a ring from around 1840, made in rose gold with a silver-topped setting. It features a central emerald surround...
Category
Antique Mid-19th Century English Georgian Cluster Rings
Materials
Diamond, Emerald, 18k Gold, Yellow Gold
