12 Diamonds
Vintage 1920s Art Deco Wedding Rings
Diamond, Emerald, Platinum
Early 20th Century French Art Deco Engagement Rings
Diamond, Blue Sapphire, 18k Gold, Silver
20th Century Solitaire Rings
Diamond, White Diamond, Emerald, 18k Gold, White Gold
2010s Wrist Watches
21st Century and Contemporary Wedding Rings
Diamond, Gold, 14k Gold
2010s American Contemporary Wedding Rings
Diamond, 14k Gold, Yellow Gold
21st Century and Contemporary American Band Rings
Diamond, Gold, 14k Gold, White Gold
21st Century and Contemporary German Contemporary Pendant Necklaces
Diamond, 18k Gold, Yellow Gold, Enamel
2010s German Art Nouveau Pendant Necklaces
Diamond, Yellow Gold, Enamel, 18k Gold
21st Century and Contemporary German Contemporary Pendant Necklaces
Diamond, 18k Gold, Yellow Gold, Enamel
21st Century and Contemporary German Art Deco Pendant Necklaces
Diamond, 18k Gold, Enamel, White Gold
21st Century and Contemporary German Contemporary Brooches
White Diamond, Diamond, Yellow Gold, White Gold, Rose Gold, 18k Gold, Gold
Antique 19th Century Victorian Cocktail Rings
Diamond, 14k Gold, White Gold
21st Century and Contemporary German Art Deco Pendant Necklaces
Diamond, 18k Gold, White Gold, Enamel
21st Century and Contemporary German Contemporary Brooches
Diamond, White Diamond, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold
21st Century and Contemporary German Contemporary Brooches
Diamond, White Diamond, Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold
2010s Australian Contemporary Engagement Rings
Diamond, 18k Gold, White Gold
2010s Cluster Rings
Diamond, Sapphire, White Gold
2010s American Modern Fashion Rings
Diamond, Aquamarine, White Gold, Gold, 14k Gold
2010s American Contemporary Engagement Rings
Diamond, Emerald, Platinum
2010s American Contemporary Band Rings
Diamond, 18k Gold, Yellow Gold
Mid-20th Century European Engagement Rings
Diamond, Sapphire, Gold
20th Century Pendant Necklaces
Diamond, 18k Gold, Yellow Gold
21st Century and Contemporary American Modern Cocktail Rings
Diamond, Sapphire, Yellow Gold
2010s American Contemporary Drop Earrings
Diamond, South Sea Pearl, Pink Sapphire, Rose Gold
20th Century Cluster Rings
White Diamond, Sapphire, 14k Gold, White Gold
21st Century and Contemporary Swiss Contemporary Pendant Necklaces
Diamond, 18k Gold, White Gold
21st Century and Contemporary Swiss Contemporary Pendant Necklaces
Diamond, 18k Gold, White Gold
21st Century and Contemporary Band Rings
Diamond, White Diamond, Platinum
1990s Unknown Cluster Rings
Diamond, Emerald, 18k Gold, White Gold
2010s American Chain Necklaces
Diamond, 14k Gold, White Gold
Early 2000s Fashion Rings
Diamond, Tourmaline, White Gold
2010s American Pendant Necklaces
Diamond, 18k Gold
2010s North American Art Deco Stud Earrings
Diamond, 14k Gold, White Gold
21st Century and Contemporary Band Rings
Diamond, White Gold
21st Century and Contemporary Contemporary Hoop Earrings
Diamond, White Diamond, Gold, 14k Gold, White Gold
21st Century and Contemporary German Wedding Rings
Diamond, 18k Gold, Yellow Gold
Vintage 1960s European Retro Retro Bracelets
Diamond, 18k Gold, Yellow Gold
Early 2000s Wedding Rings
Diamond, White Gold
21st Century and Contemporary Contemporary Solitaire Rings
Diamond, White Diamond, Topaz, Blue Topaz, Silver, Sterling Silver
21st Century and Contemporary Contemporary Engagement Rings
Ruby, White Diamond, Diamond, Yellow Gold, 14k Gold, Gold
20th Century French Engagement Rings
Diamond, Yellow Gold
21st Century and Contemporary French Neoclassical More Rings
Ruby, Diamond, Yellow Gold, 18k Gold, Silver
Mid-20th Century Unknown Retro Brooches
Diamond, 14k Gold, Yellow Gold
21st Century and Contemporary Contemporary Cocktail Rings
Emerald, White Diamond, Diamond, Yellow Gold, 14k Gold, Gold
21st Century and Contemporary Contemporary Cocktail Rings
Diamond, Tanzanite, White Diamond, Aquamarine, White Gold, 10k Gold, Gold
Late 20th Century Unknown Modern Cocktail Rings
Diamond, Amethyst, Yellow Gold, 18k Gold
21st Century and Contemporary French Neoclassical Engagement Rings
Blue Sapphire, Diamond, White Gold, Silver
21st Century and Contemporary French Neoclassical Pendant Necklaces
Diamond, 18k Gold, Silver, Yellow Gold
Vintage 1980s French More Rings
Diamond, 18k Gold, Enamel
21st Century and Contemporary Band Rings
Yellow Gold
21st Century and Contemporary American Contemporary Fashion Rings
Diamond, Emerald, 18k Gold, White Gold
21st Century and Contemporary European Cluster Rings
Vintage 1980s French Clip-on Earrings
Diamond, Gold
2010s British Solitaire Rings
Diamond, 18k Gold, Yellow Gold
Mid-20th Century Cluster Rings
Diamond, 18k Gold
Late 20th Century American Contemporary Cocktail Rings
Diamond, Emerald, 14k Gold, White Gold
2010s American Link Bracelets
Diamond, 14k Gold, Yellow Gold
Antique 16th Century Greek Byzantine Pendant Necklaces
Diamond, 18k Gold
20th Century Swiss Wrist Watches
Diamond, Gold
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12 Diamonds For Sale on 1stDibs
How Much are 12 Diamonds?
- How big is a 12 carat diamond?1 Answer1stDibs ExpertFebruary 22, 2021The size of a 12 carat diamond is dependent on diamond cut. A 12 carat round diamond is roughly 15 mm in size.