Questions & Answers
Our trusted network of 1stDibs sellers answer common questions
How big is a 12 carat diamond?
1 Answer
The size of a 12 carat diamond is dependent on diamond cut. A 12 carat round diamond is roughly 15 mm in size.
1stDibs ExpertFebruary 22, 2021
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Shop for 12 Carat Diamond on 1stDibs
Platinum 12 Carat Diamond One Line Tennis Princess and Emerald Cut Bracelet
Located in New York, NY
This is a beautiful Platinum 12 Carat Diamond One Line Tennis Princess And Emerald Cut Bracelet.
Category
20th Century American Modern Tennis Bracelets
Materials
Diamond, Platinum
12 Carat Diamond Platinum Necklace
Located in Bay Harbor Islands, FL
1940's Diamond necklace set with round, baguette and triangular cut diamonds weighing approximately 12 carats.
Category
Vintage 1940s Unknown More Necklaces
Materials
Diamond, Yellow Diamond, Platinum
12 Carat Diamond Graduated Tennis Necklace in 18k Yellow Gold
By Antinori Fine Jewels
Located in Chicago, IL
This exquisite 12 carat diamond graduated tennis necklace is a timeless statement of elegance, meticulously crafted in radiant 18k yellow gold.
Category
2010s Italian Pendant Necklaces
Materials
Diamond, 18k Gold, Yellow Gold
12 Carat Diamond and Ruby Sterling Silver Drop Earrings in Modern Style
By Gems Paradise
Located in Jaipur, IN
12 Carat Diamond and Ruby Sterling Silver Drop Earrings in Modern Style
These 12 Carat Diamond and Ruby Fashion Earrings are finely crafted in a contemporary design that combines bo...
Category
2010s Indian Modern Drop Earrings
Materials
Diamond, Ruby, Silver
Vintage 18K Yellow & White Gold 12 Carat Diamond Chocker Necklace
Located in Houston, TX
Vintage 18K Yellow & White Gold 12 Carat Diamond Chocker Necklace
An extraordinary vintage masterpiece crafted in 18K yellow and white gold, this diamond choker embodies timeless so...
Category
1990s Choker Necklaces
Materials
Diamond, Yellow Gold, 18k Gold, White Gold
12 Carat Diamond Baguette Cluster Necklace
Located in Cape May, NJ
Era: Modern Estate
Composition: 14K White Gold
Primary Stone: Baguette, Round Brilliant & Single Cut Diamonds
Total Carat Weight: Approximately 12 Carats
Color/Clarity: H-J / VS2-SI...
Category
21st Century and Contemporary Chain Necklaces
Materials
Diamond, 14k Gold, White Gold
