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
12 Carat Diamond Broach in Platinum
Located in New York, NY
Gorgeous 12 carat diamond broach in platinum.
The details are as follows :
Diamond weight : 12
Category
2010s Brooches
Materials
Diamond, Platinum
12 Carat Diamond Platinum Necklace
Located in Bay Harbor Islands, FL
12 carats. It is further set with a natural color yellow diamond weighing approximately 0.50 carats
Category
Vintage 1940s Unknown More Necklaces
Materials
Diamond, Yellow Diamond, Platinum
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
Tanzanite and 12 Carat Diamond Bracelet in 18K Gold, circa 1970
Located in Goettingen, DE
Tanzanite and 12 Carat Diamond Bracelet in 18K Gold, circa 1970
Very distinctive, floral bracelet
Category
Vintage 1970s Link Bracelets
Materials
Diamond, Tanzanite, 18k Gold, Yellow Gold
South Sea Pearl Day & Night with 12 Carat Diamond Cocktail Earrings 18 K Gold
Located in New York, NY
South Sea Pearl Day & Night with 12 Carats Diamond Cocktail Earrings 18 K White Gold ,
Beautiful
Category
Early 20th Century Stud Earrings
Materials
Diamond, South Sea Pearl, 18k Gold
.12 Carat Diamond Pearl White Gold Necklace
Located in Stamford, CT
1970's 8.5mm, 18-Inch cultured pearl necklace with double sided 18k white gold diamond catch
Category
Late 20th Century More Necklaces
Materials
Diamond, Pearl, Gold, 18k Gold, White Gold
